Your everyday toolkit

Find your next shortcut.

437 tools. One clear place to find them.
Browse A–Z, choose a category or search for a task.

Showing 437 tools

Math & GeometryNew · 8 Nov

4-Band Resistor Color Code

Decode a standard four-band resistor value and tolerance.

Developer ToolsNew · 8 Nov

301 Redirect Rule Generator

Generate a conservative Apache Redirect directive for one path.

Calculators

401(k) Calculator

Project your 401(k) with employer match, year by year.

Calculators

ACA Subsidy Calculator

Estimate your 2026 Obamacare premium tax credit

Calculators

AC BTU Calculator

Find the right AC size in BTU for any room — no more guessing.

Text Tools

Add or Remove Line Numbers

Add numbered prefixes or strip existing numeric prefixes.

PDF Tools

Add Page Numbers to PDF

Stamp page numbers onto any PDF — position and format.

Text Tools

Add Prefix and Suffix to Lines

Wrap every line with your chosen text.

Image Tools

Add Watermark to Photos

Text or logo watermarks, corner or tiled, in your browser.

Security & Privacy

AES Text Encrypt & Decrypt

AES-256 text encryption with a passphrase.

Calculators

Age Calculator

Your exact age in years, months and days.

SEO Tools

Alt Text Checker

Find images missing alt text on any page.

Calculators

Amortization Calculator

See every payment of your loan, principal vs interest.

Text Tools

Anagram Solver

Unscramble letters into every possible word

Calculators

Aspect Ratio Calculator

Find an aspect ratio and resize dimensions without distortion.

Audio Tools

Audio Extractor

Pull the MP3 audio track out of any video file.

Audio Tools

Audio Joiner

Merge MP3/WAV/OGG clips into one seamless file.

Audio Tools

Audio Speed Changer

Change any audio file’s speed with pitch-preserving quality, all in-browser.

Audio Tools

Audio Trimmer

Cut MP3 and audio clips to the exact second.

Audio Tools

Audio Volume Booster

Boost quiet audio up to 5x with a limiter and WAV download.

Calculators

Auto Loan Calculator

Monthly car payment, total interest & cost with term comparison.

Calculators

Average Calculator

Find the mean, median, modes, range and sum of a number list.

Generators

Baby Name Generator

Find the perfect baby name with meanings and origins.

Generators

Barcode Generator

Code 128, EAN-13, UPC-A, Code 39 & ITF barcodes as PNG.

Developer Tools

Base32 Encoder and Decoder

Encode UTF-8 text using RFC 4648 Base32.

Developer Tools

Base64 Encoder/Decoder

Encode text to Base64 or decode it back.

Security & Privacy

Bcrypt Hash Generator

Hash and verify passwords with real bcrypt — private.

Calculators

Bill Split Calculator

Split the check fairly with tax and tip

Converters

Binary Translator

Text to binary and back, with full UTF-8 support for emoji.

Generators

Bingo Card Generator

Make printable bingo cards for class or game night.

Calculators

Black Friday Budget Planner

Stay on budget through Black Friday deals

Image Tools

Blur / Pixelate Photo

Brush-blur or pixelate faces, plates, and text in any photo.

Calculators

BMI Calculator

Calculate your BMI.

Calculators

Body Fat Percentage Calculator

Estimate body fat % with the U.S. Navy tape-measure method, plus fat vs. lean mass.

Calculators

Bonus Tax Calculator

Your bonus after IRS withholding

Calculators

Bra Size Calculator

Find your true US bra size in 2 steps

Business & MarketingNew · 8 Nov

Break-Even Calculator

Find the sales volume needed to cover fixed and variable costs.

Security & Privacy

Browser Fingerprint Test

18 client-side signals show how trackable your browser is.

Converters

Business Days Calculator

Add or count business days, weekends skipped.

Generators

Business Name Generator

Generate creative names for your business or startup.

Converters

Byte Size Converter

Convert a byte count to decimal and binary size units.

Security & Privacy

Caesar Cipher Decoder

Encode, decode, and brute-force Caesar ciphers with ranked results.

Calculators

Calories Burned Calculator

See how many calories walking, running, cycling, and more burn for your weight and workout time.

Calculators

Capital Gains Tax Calculator

Estimate the federal tax on your investment gains.

Text Tools

Case Converter

Uppercase, lowercase, title case and more.

Calculators

Cat Age Calculator

Your cat’s age in human years

Text Tools

Character Frequency Counter

Count Unicode characters, including spaces and newlines.

Developer Tools

Chmod Calculator

Chmod numeric and symbolic permissions, explained simply.

Calculators

Christmas Budget Planner

Plan gifts & holiday spending in USD

Calculators

Christmas Light Calculator

Light counts for trees and rooflines

Generators

Christmas Movie Picker

Pick a random Christmas movie by mood and era.

Math & Geometry

Circle Area and Circumference

Calculate area, circumference and diameter from a radius.

Image Tools

Circle Profile Picture Maker

Round PFPs for Discord, IG & TikTok

Text Tools

Citation Generator

APA, MLA & Chicago citations in seconds

Business & MarketingNew · 8 Nov

Click-Through Rate Calculator

Calculate CTR from clicks and impressions.

Calculators

Closing Cost Calculator

Itemized closing costs and total cash to close for any home purchase.

Converters

Clothing Size Converter

Convert US, UK, EU & JP clothing sizes

Calculators

Coffee to Water Ratio Calculator

Perfect coffee dose for every brew method

Generators

Coin Flip

Animated coin flip with heads/tails tally and best-of-N.

Image Tools

Color Blindness Simulator

See your images through color-blind eyes

Developer Tools

Color Contrast Checker

WCAG contrast ratio with AA/AAA pass-fail verdicts.

Generators

Color Palette Generator

Generate beautiful color palettes instantly.

Text ToolsNew · 8 Nov

Compare Two Lists

Find shared items and items unique to either list.

Calculators

Compound Interest Calculator

Watch your savings grow over the years.

Calculators

Concrete Calculator

Cubic yards, bag counts and cost for any concrete job.

Business & MarketingNew · 8 Nov

Conversion Rate Calculator

Calculate the share of visits or clicks that converted.

Converters

Cooking Measurement Converter

Cups ↔ grams for 51 ingredients, density-accurate for US recipes.

CalculatorsUpdated · 8 Nov

Countdown Timer

Live countdown to any date with shareable link.

DocumentsNew · 8 Nov

Cover Letter Draft Maker

Build a concise letter from the experience and evidence you supply.

Business & MarketingNew · 8 Nov

CPC Calculator

Calculate average advertising cost per click.

Business & MarketingNew · 8 Nov

CPM Calculator

Calculate advertising cost per thousand impressions.

Security & Privacy

Credit Card Validator

Check card numbers with the Luhn algorithm. Test only.

Developer Tools

Cron Expression Generator

Build cron schedules visually, decode them too.

Developer ToolsNew · 8 Nov

CSS Border Radius Generator

Set each corner radius separately.

Developer ToolsNew · 8 Nov

CSS Box Shadow Generator

Create a reusable box-shadow declaration.

Developer ToolsNew · 8 Nov

CSS Button Generator

Create button markup and CSS with consistent spacing and focus styles.

Developer ToolsNew · 8 Nov

CSS Flexbox Generator

Build a clear flex container declaration from common options.

Developer Tools

CSS Gradient Generator

Linear, radial & conic gradients with copy-ready CSS.

Developer ToolsNew · 8 Nov

CSS Grid Generator

Generate a responsive equal-column grid.

Developer Tools

CSS Minifier

Compress and optimize CSS instantly — see exact bytes saved.

Data & SpreadsheetsNew · 8 Nov

CSV and TSV Converter

Convert quoted comma-separated and tab-separated tables.

Data & SpreadsheetsNew · 8 Nov

CSV Column Find and Replace

Replace literal text within one CSV column.

Data & SpreadsheetsNew · 8 Nov

CSV Column Selector

Keep selected columns in a chosen order.

Data & SpreadsheetsNew · 8 Nov

CSV Column Statistics

Summarize a numeric CSV column without changing the file.

Data & SpreadsheetsNew · 8 Nov

CSV Duplicate Row Remover

Remove duplicate rows using all cells or one key column.

Data & SpreadsheetsNew · 8 Nov

CSV Merger

Append rows from two CSV tables with matching headers.

Data & SpreadsheetsNew · 8 Nov

CSV Row Filter

Keep rows where a selected column matches your rule.

Data & SpreadsheetsNew · 8 Nov

CSV Row Splitter

Split one CSV into smaller downloadable files with repeated headers.

Data & SpreadsheetsNew · 8 Nov

CSV Sorter

Sort CSV rows by one named column.

Developer Tools

CSV Structure Preview

Inspect CSV rows, columns and quoted fields.

Data & SpreadsheetsNew · 8 Nov

CSV to HTML Table

Generate safe HTML table markup from CSV cells.

Converters

CSV to JSON Converter

Paste CSV or upload a .csv file and get clean, pretty JSON keyed by your header row.

Data & SpreadsheetsNew · 8 Nov

CSV to Markdown Table

Create an escaped Markdown table from CSV.

Data & SpreadsheetsNew · 8 Nov

CSV Transpose

Swap rows and columns in a rectangular CSV table.

Business & MarketingNew · 8 Nov

Customer Acquisition Cost Calculator

Divide acquisition spending by the number of new customers.

Business & MarketingNew · 8 Nov

Customer Churn Rate Calculator

Measure the share of starting customers lost during a period.

Business & MarketingNew · 8 Nov

Customer Lifetime Value Estimate

Estimate gross-profit lifetime value from purchase frequency and lifespan.

Math & Geometry

Cylinder Volume and Surface Area

Calculate a closed right cylinder from radius and height.

Date & TimeNew · 8 Nov

Date Add and Subtract

Move a calendar date by days, weeks or months.

Calculators

Daycare Cost Calculator

Compare weekly, monthly and annual childcare costs by state.

Converters

Days Between Dates Calculator

Days, weeks, business days between dates

Calculators

Debt Payoff Calculator

Debt-free date + interest for snowball vs avalanche strategies.

Converters

Decimal Hours to Hours and Minutes

Convert decimal hours to a clock duration and back.

Converters

Decimal to Fraction Calculator

Convert decimals to fractions in lowest terms.

Calculators

Diaper Cost Calculator

Project diaper spend: disposable vs cloth

Generators

Dice Roller

Roll virtual d4–d20 dice with modifiers and history.

Calculators

Discount Calculator

Sale prices, percent off, stacked discounts and savings.

Math & GeometryNew · 8 Nov

Distance Between Two Points

Find Euclidean distance and midpoint in two dimensions.

Developer Tools

DNS Lookup Tool

Look up A, MX, TXT and more DNS records for any domain instantly.

Calculators

Dog Age Calculator

Dog years to human years with size-adjusted vet formulas.

Calculators

Dog Chocolate Toxicity Calculator

Is that chocolate dangerous for your dog? Instant risk check.

Generators

Dog Name Generator

324+ male, female & unisex puppy names with favorites.

Video Tools

Dola AI Video Downloader

Download Dola AI videos without watermark, original quality.

Calculators

Download Time Calculator

Estimate transfer time from file size and connection speed.

Text Tools

Duplicate Word Finder

Find repeated words, counts and adjacent word repetitions.

Generators

Elf Name Generator

Funny Christmas elf names

Text ToolsNew · 8 Nov

Email Address Extractor

Find and deduplicate email-like addresses in pasted text.

GeneratorsNew · 8 Nov

Email Link Generator

Create a mailto link with an encoded subject and message.

Generators

Email Signature Generator

Professional HTML email signatures in seconds.

Developer Tools

Email Validator

Check email syntax, catch domain typos, and flag disposable inboxes.

Calculators

Emergency Fund Calculator

Your 3, 6, and 12-month targets

Data & SpreadsheetsNew · 8 Nov

ENV to JSON Converter

Turn simple environment variable assignments into a JSON object.

Security & Privacy

EXIF Data Viewer

Reveal hidden camera and GPS data in photos

DocumentsNew · 8 Nov

Expense Report Maker

Prepare a printable expense summary from dated line items.

Math & Geometry

Exponent Calculator

Raise a number to a power with finite real output.

PDF Tools

Extract Images from PDF

Pull embedded photos from any PDF at full quality.

PDF Tools

Extract Text from PDF

Extract text from any PDF instantly.

Generators

Fake Text Message Generator

Build realistic iPhone-style chat screenshots, download as PNG.

Text Tools

Fancy Text Generator

Make fancy Unicode text with 22 stylish fonts.

Generators

Fantasy Football Team Name Generator

Funny fantasy team names for your league

Image Tools

Favicon Generator

Turn any image into favicon.ico + PNG sizes with head snippet.

Calculators

Federal Income Tax Calculator

Estimate your 2026 federal tax by bracket, with marginal and effective rates and after-tax income.

Calculators

Final Grade Calculator

Find the final exam score you need.

Calculators

Firewood Calculator

How many cords of firewood for winter

Calculators

Flooring Calculator

Calculate square feet, boxes, and material cost for any flooring project.

Developer ToolsNew · 8 Nov

Fluid Font Size Clamp Generator

Generate a fluid CSS clamp between two viewport widths.

Calculators

Fraction Calculator

Add, subtract, multiply and divide fractions with exact simplified results.

Business & MarketingNew · 8 Nov

Freelance Hourly Rate Planner

Estimate an hourly rate from income needs and realistic billable time.

Calculators

FSA Contribution Calculator

Pick your open-enrollment FSA amount

Calculators

Fuel Cost Calculator

Figure out exactly what a trip or commute costs in gas.

Calculators

Full Retirement Age Calculator

Find your SSA full retirement age and estimated benefits at 62, full age, and 70.

Math & Geometry

GCF and LCM Calculator

Find the greatest common factor and least common multiple.

Generators

Gift Idea Generator

Get tailored gift ideas by recipient, interest and budget.

Converters

GIF to MP4 Converter

Convert GIFs to lightweight MP4 videos.

Calculators

Gift Wrap Calculator

How much wrapping paper to buy

GeneratorsNew · 8 Nov

Gmail Dot & Plus Generator

Generate personal Gmail dot and plus-tag variations that use the same inbox.

SEO Tools

Google Review Link Generator

Direct write-a-review link for your business

Calculators

GPA Calculator

Semester & cumulative GPA, 4.0 scale.

Calculators

Halloween Candy Calculator

Never run out of candy on Halloween night

Generators

Halloween Costume Idea Generator

Fresh costume ideas by vibe & group

Generators

Halloween Movie Night Picker

Random scary movie picker for movie night

Calculators

HDHP vs PPO Calculator

Compare health plans and find your break-even point

SEO Tools

Headline Analyzer

Score any headline 0–100 with word balance, sentiment, and SERP preview.

Calculators

Heat Index Calculator

Enter temperature and humidity to see what the heat really feels like, with NWS danger levels.

Image Tools

HEIC to JPG Converter

Convert iPhone HEIC photos to universal JPG.

Converters

HEX to RGB Color Converter

Convert HEX colors to RGB, HSL, and CMYK with a live preview.

Security & Privacy

Hide Secret Text in Image

Hide secret text inside a PNG with steganography.

Calculators

Holiday Pay Calculator

Holiday premium pay at 1.5x or 2x

Calculators

Hourly to Salary Calculator

Convert hourly wages to annual salary instantly.

Calculators

HSA Contribution Calculator

Max 2026 HSA limits and your tax savings

Developer Tools

HTML Entity Encoder and Decoder

Encode HTML special characters or decode character entities.

Developer ToolsNew · 8 Nov

HTML Heading Outline Checker

Inspect heading levels and spot skipped levels in HTML.

Developer ToolsNew · 8 Nov

HTML Link Extractor

Extract anchor destinations and link text from pasted HTML.

Developer ToolsNew · 8 Nov

HTML Meta Tag Inspector

Read titles, canonical links and meta tags from pasted HTML.

Text Tools

HTML to Text Converter

Extract readable plain text from HTML without running scripts.

Developer ToolsNew · 8 Nov

HTTP Status Code Lookup

Look up standard HTTP status names and response classes.

GeneratorsNew · 8 Nov

Iframe Embed Code Generator

Create accessible iframe markup for an HTTPS destination.

Image Tools

Image Color Picker

Click any pixel in a photo or screenshot to get HEX, RGB and HSL instantly.

Image Tools

Image Compressor

Shrink JPG, PNG and WebP photos without visible quality loss.

Image Tools

Image Cropper

Crop JPG, PNG and WebP in your browser — drag to crop, lock ratios for Instagram, TikTok and YouTube.

Image Tools

Image DPI Changer

Set 300 DPI without losing quality

Image Tools

Image Format Converter

Convert images between JPG, PNG, WebP and more.

Image Tools

Image Resizer

Resize photos to exact pixel dimensions for web and social.

Developer Tools

Image to Base64 Converter

Images to base64: data URI, HTML tag & CSS snippet.

PDF Tools

Image to PDF Converter

JPG/PNG to PDF.

Business & MarketingNew · 8 Nov

Inflation Scenario Calculator

Model changing purchasing power using a rate you enter.

Calculators

Ingredient Substitution Calculator

Find exact swaps for missing baking ingredients with US measures.

Data & SpreadsheetsNew · 8 Nov

INI to JSON Converter

Read basic INI sections and assignments into JSON.

SEO Tools

Instagram Hashtag Generator

Relevant hashtags for posts & Reels

Date & TimeNew · 8 Nov

International Meeting Time Planner

Show one UTC meeting time in several IANA time zones.

Business & MarketingNew · 8 Nov

Inventory Reorder Point Calculator

Estimate when to reorder stock from demand and lead time.

Business & MarketingNew · 8 Nov

Inventory Turnover Calculator

Estimate stock turnover and days of inventory for a reporting period.

Text Tools

Invisible Text Generator

Invisible blank text for WhatsApp, Discord, and Instagram.

Generators

Invoice Generator

Professional invoices in a minute — line items, tax, discounts, PDF.

Date & TimeNew · 8 Nov

ISO Week Number Calculator

Find ISO week number, week-year and Monday/Sunday boundaries.

Data & SpreadsheetsNew · 8 Nov

JSON Array and JSONL Converter

Convert a JSON array to JSON Lines and back.

Data & SpreadsheetsNew · 8 Nov

JSON Array Filter

Keep objects whose top-level property matches a typed JSON value.

Data & SpreadsheetsNew · 8 Nov

JSON Array Sorter

Sort objects by a top-level string or numeric property.

Data & SpreadsheetsNew · 8 Nov

JSON Array Statistics

Calculate numeric statistics for a property in a JSON object array.

Developer Tools

JSON Compare

Compare two JSON documents by value, with readable difference paths.

Developer Tools

JSON Escape and Unescape

Escape plain text into a JSON string, or decode a JSON string safely.

Data & SpreadsheetsNew · 8 Nov

JSON Field Remover

Remove named fields recursively from JSON objects.

Developer Tools

JSON Formatter & Validator

Format, validate and minify JSON instantly.

Data & SpreadsheetsNew · 8 Nov

JSON Key Case Converter

Convert nested JSON property names to a consistent case.

Developer Tools

JSON Key Extractor

List unique object property names throughout a JSON document.

Data & SpreadsheetsNew · 8 Nov

JSON Key Renamer

Rename an exact property name throughout nested JSON.

Developer Tools

JSON Leaf Path Explorer

List the paths and values of JSON leaves.

Data & SpreadsheetsNew · 8 Nov

JSONL Validator

Locate invalid JSON Lines and count valid records.

Developer Tools

JSON to CSV Converter

Convert JSON to CSV instantly — nested objects, custom delimiters, live preview.

Data & SpreadsheetsNew · 8 Nov

JSON to ENV Converter

Export a flat JSON object as quoted environment assignments.

Data & SpreadsheetsNew · 8 Nov

JSON to XML Converter

Convert JSON into a typed XML representation.

Data & SpreadsheetsNew · 8 Nov

JSON to YAML Converter

Convert JSON to conservative, quoted YAML.

Developer Tools

JWT Decoder

Decode JWT header, payload, expiry — verify HS256 signatures.

SEO Tools

Keyword Density Checker

Find top keywords, density % and stuffing risks in any article text.

Generators

List Randomizer

Shuffle a list fairly with browser-generated random values.

Text ToolsNew · 8 Nov

Literal Text Redactor

Replace specific terms in plain text with a redaction marker.

Math & Geometry

Logarithm Calculator

Calculate a logarithm in your chosen base.

Calculators

Long Division Calculator

Divide whole numbers with quotient, remainder and step-by-step working.

Text Tools

Lorem Ipsum Generator

Free placeholder text tool.

Generators

Lottery Number Generator

Quick-pick numbers for Powerball, Mega Millions and more.

Generators

Love Calculator

Fun name compatibility score — entertainment only.

Calculators

Macro Calculator

Daily protein, carbs & fat targets

Generators

Magic 8 Ball

Ask anything — get a classic Magic 8 Ball answer.

Text ToolsNew · 8 Nov

Markdown Link Extractor

List destinations from inline Markdown links.

Text ToolsNew · 8 Nov

Markdown Table of Contents Generator

Build a linked outline from ATX Markdown headings.

Developer Tools

Markdown to HTML Converter

Markdown to clean HTML with live preview.

Business & MarketingNew · 8 Nov

Markup Calculator

Set a selling price from cost and markup, with margin shown separately.

Math & GeometryNew · 8 Nov

Matrix Calculator

Add, multiply or transpose numeric matrices.

Developer Tools

MD5 & SHA Hash Generator

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text or files.

DocumentsNew · 8 Nov

Meeting Agenda Maker

Create a timed agenda with topics, owners and minutes.

Date & TimeNew · 8 Nov

Meeting Cost Calculator

Estimate the people-cost of a meeting.

DocumentsNew · 8 Nov

Meeting Minutes Maker

Organize your recorded decisions and action items.

Image Tools

Meme Generator

Add top and bottom captions to any picture, download as PNG.

PDF Tools

Merge PDF Online

Combine multiple PDFs into one file — reorder pages, merge in your browser.

Video Tools

Merge Videos Online

Join video clips into one file — reorder, no watermark.

Security & Privacy

Metadata Remover

Strip hidden EXIF data from photos before you share them.

SEO Tools

Meta Tag Generator

Generate SEO and Open Graph meta tags.

Converters

Military Time Converter

Convert 24-hour military time to 12-hour clock and back — plus full chart.

Converters

Morse Code Translator

Text to Morse and back, with real audio playback and speed control.

Calculators

Mortgage Calculator

Estimate your monthly payment.

Calculators

Moving Cost Calculator

Estimate DIY vs full-service moving costs for any home size.

Audio Tools

MP3 to WAV Converter

Convert MP3 to WAV right in your browser

Calculators

Mulch Calculator

Cubic yards, bag counts, and cost for your mulch project.

Developer Tools

Number Base Converter

Convert whole numbers between bases 2 through 36.

Converters

Number to Words Converter

Spell numbers as English words.

Math & GeometryNew · 8 Nov

Ohm’s Law Calculator

Calculate one electrical quantity from two known values.

Calculators

One Rep Max Calculator

Estimate your 1RM — Epley, Brzycki, Lombardi + % table.

Audio Tools

Online Guitar Tuner

Tune your guitar with your mic, free.

Audio Tools

Online Metronome

Accurate metronome with tap tempo and time signatures.

Audio Tools

Online Mic Test

Test your mic with a live volume meter and record-and-playback.

Text Tools

Online Notepad

A fast, private online notepad with autosave and word counts.

Video Tools

Online Screen Recorder

Record your screen, window, or tab in one click — saved as WebM, 100% private.

Calculators

Online Stopwatch

Millisecond-precision stopwatch with unlimited lap times.

Audio Tools

Online Tone Generator

Pure test tones 20 Hz–20 kHz with waveforms and sweeps.

Audio Tools

Online Voice Recorder

Record audio free, no signup.

SEO Tools

Open Graph Checker

Validate OG/Twitter tags and preview social share cards.

Calculators

Overtime Pay Calculator

Time-and-a-half and double-time pay math

Calculators

Ovulation Calculator

Find your fertile window and ovulation day in seconds.

Generators

Packing List Generator

Smart packing checklist for any trip

DocumentsNew · 8 Nov

Packing Slip Maker

Create a printable item-and-quantity packing list.

Calculators

Paint Calculator

Calculate how much paint you need for any room, in seconds.

Calculators

Party Drink Calculator

Exactly how much to buy for your party

Text Tools

Passive Voice Checker

Find and fix passive sentences

Security & Privacy

Passphrase Generator

Memorable Diceware-style passphrases, private.

Image Tools

Passport Photo Maker

US 2×2 photo with face guide — DS-160 600×600 or 4×6 print sheet.

Security & Privacy

Password Breach Checker

Check leaked-password databases with k-anonymity privacy.

Security & Privacy

Password Generator

Create strong, random passwords in one click.

Security & Privacy

Password Strength Checker

Test your password strength with a live meter and crack-time estimate.

Calculators

Paycheck Calculator

Estimate your take-home pay after US taxes.

Business & MarketingNew · 8 Nov

Payment Fee and Gross-Up Calculator

Estimate a percentage-plus-fixed fee or the charge needed to receive a target.

Calculators

Pay Raise Calculator

Find your new salary after any raise, in every pay period.

PDF Tools

PDF Page Deleter

Remove pages from your PDF in your browser — tick, delete, download.

PDF Tools

PDF to JPG Converter

Turn every PDF page into a crisp JPG image.

PDF Tools

PDF Toolkit

Merge, split, extract text and compress PDFs in one place.

Calculators

Percentage Calculator

X% of Y, discounts, tips and percent change.

Calculators

Percentage Difference Calculator

Compare two non-negative values using their average as the baseline.

Calculators

Percentage Error Calculator

Compare measured and accepted values to calculate percentage error.

Math & Geometry

Percentile Calculator

Find an interpolated percentile in a numeric data set.

Math & Geometry

Permutation and Combination Calculator

Count ordered arrangements and unordered selections.

Image Tools

Photo Collage Maker

Combine 2–9 photos into a styled grid collage, download as PNG.

Generators

Placeholder SVG Generator

Create a lightweight SVG placeholder with dimensions and a label.

Calculators

Pomodoro Timer

Stay focused with 25-minute work sprints, short breaks, and a long break every 4 sessions.

Calculators

Pregnancy Due Date Calculator

Estimate your baby’s due date.

Math & Geometry

Prime Factorization Calculator

Break a positive whole number into prime factors.

Math & Geometry

Prime Number Checker

Check whether a whole number is prime or composite.

Calculators

Profit Margin Calculator

Margin, markup & profit in one place

DocumentsNew · 8 Nov

Project Brief Maker

Turn your project facts into a clear printable brief.

Business & MarketingNew · 8 Nov

Project Quote Calculator

Estimate project pricing with costs, contingency and a deposit.

Calculators

Property Tax Calculator

Estimate your annual property tax and monthly escrow.

Math & GeometryNew · 8 Nov

Proportion Calculator

Solve one missing value in a:b = c:d.

DocumentsNew · 8 Nov

Purchase Order Draft Maker

Prepare a printable purchase order for review.

Developer Tools

PX to REM Converter

Convert px to rem and em for responsive CSS.

Math & Geometry

Pythagorean Theorem Calculator

Find the hypotenuse from two perpendicular side lengths.

CalculatorsNew · 8 Nov

Qibla Finder

Find the Qibla bearing from a city or coordinates, with optional device location.

Generators

QR Code Generator

Make scannable QR codes for links, Wi-Fi and contact cards.

Generators

QR Code Scanner

Scan QR codes with your camera or an image upload.

Math & Geometry

Quadratic Equation Solver

Solve ax² + bx + c = 0 for real or complex roots.

DocumentsNew · 8 Nov

Quotation Maker

Create a printable itemized quotation from your own prices.

Test Data

Random Boolean Generator

Generate true/false values with a chosen probability.

Generators

Random Color Picker

Pick random colors with HEX and RGB values.

Test Data

Random Coordinate Generator

Generate latitude and longitude pairs within geographic bounds.

Generators

Random Date Generator

Generate random dates within your chosen inclusive date range.

Test Data

Random Hex String Generator

Generate random byte sequences as hexadecimal strings.

Generators

Random Letter Generator

Generate random letters from an alphabet you choose.

Generators

Random Number Generator

Generate random numbers.

Test Data

Random Number Matrix Generator

Create a rectangular matrix of random whole numbers.

Generators

Random Team Generator

Split names into fair, random teams in one click.

Generators

Random US Address Generator

Realistic US test addresses for developers & QA.

Generators

Random Word Generator

Get random English words for writing prompts and word games.

Math & Geometry

Ratio Simplifier

Reduce a whole-number ratio to its simplest form.

Calculators

Reaction Time Test

Click when the screen turns green and measure your reflexes over 5 trials.

SEO Tools

Readability Checker

Check readability: Flesch-Kincaid, Reading Ease, Gunning Fog.

Text Tools

Reading Time Calculator

How long to read or speak your text — adjustable WPM.

DocumentsNew · 8 Nov

Receipt Maker

Prepare a printable receipt for a payment you record.

Calculators

Recipe Scaling Calculator

Double or halve any recipe exactly

Math & Geometry

Rectangle Area and Perimeter

Calculate area, perimeter and diagonal from two sides.

Date & TimeNew · 8 Nov

Recurring Date Planner

Generate a predictable daily, weekly or monthly date schedule.

Developer Tools

Regex Tester

Test patterns live, free.

Video Tools

Remove Audio from Video

Strip the audio track from any video, download it silent.

Text Tools

Remove Duplicate Lines

Free online line deduplicator.

Text ToolsNew · 8 Nov

Remove Line Breaks

Join wrapped text while optionally preserving paragraph breaks.

Calculators

Rent Affordability Calculator

Enter your income and see the rent range you can actually afford, with landlord approval checks.

Calculators

Rent vs Buy Calculator

Compare renting against buying — mortgage, taxes, insurance, HOA, and upkeep — and find your break-even year.

DocumentsNew · 8 Nov

Resignation Letter Draft Maker

Prepare a simple notice letter with a last working date you choose.

Generators

Resume Builder

Build a clean, ATS-friendly resume in minutes.

Video Tools

Reverse Video

True backward playback with reversed-audio or mute options.

Converters

RGB to CMYK Approximation

Estimate CMYK percentages from RGB channels.

Converters

RGB to HSL Converter

Convert RGB channels to hue, saturation and lightness.

Converters

Ring Size Converter

US/UK/EU/JP ring sizes + mm diameter, printable guide.

Calculators

Road Trip Cost Calculator

Estimate gas, tolls, hotels and food for your next road trip.

Business & MarketingNew · 8 Nov

ROAS Calculator

Measure advertising revenue against advertising spend.

SEO Tools

Robots.txt Generator

Create a valid robots.txt file in seconds.

Converters

Roman Numeral Converter

Convert numbers to Roman numerals and back, instantly.

Image Tools

Rotate Image

Rotate photos 90°/180°/custom angle, mirror and flip.

PDF Tools

Rotate PDF Pages

Rotate one or all PDF pages 90, 180, or 270 degrees.

Video Tools

Rotate Video Online

Fix sideways clips — rotate 90° left/right or flip 180°.

Calculators

Rounding Calculator

Round decimal numbers exactly to your chosen decimal place.

Converters

Running Pace Calculator

Pace, speed, time, and race splits instantly

Calculators

Salary to Hourly Calculator

Convert annual salary to an hourly wage.

Calculators

Sales Tax Calculator

Calculate US sales tax by state — forward and reverse tax modes included.

Test Data

Sample JSON Record Generator

Generate clearly synthetic records for testing a layout.

Business & MarketingNew · 8 Nov

Savings Goal Planner

Calculate a monthly saving target without assuming investment returns.

Security & Privacy

Scam Text Checker

Check suspicious texts for red flags with a free risk analysis.

SEO Tools

Schema Markup Generator

JSON-LD for FAQ, Article, LocalBusiness, Product, Event.

Math & Geometry

Scientific Notation Converter

Write a finite number in normalized scientific notation.

Calculators

Screen Size Calculator

Calculate display width, height, area and pixel density.

Generators

Secret Santa Generator

Fair Secret Santa draws with couple exclusions and private reveal.

Calculators

Self-Employment Tax Calculator

Work out the SE tax on your freelance or 1099 income.

SEO Tools

SERP Snippet Preview Tool

Preview your Google snippet on desktop + mobile.

Security & Privacy

SHA-256 Hash Generator

Free online, no signup.

Converters

Shoe Size Converter

Convert US, UK and EU shoe sizes instantly.

Math & GeometryNew · 8 Nov

Significant Figures Rounder

Round a decimal to a chosen number of significant figures.

PDF Tools

Sign PDF Online

Draw or type a signature and place it on any PDF page.

Business & MarketingNew · 8 Nov

Simple Interest Calculator

Calculate non-compounding interest and an ending balance.

Calculators

Sleep Cycle Calculator

Best bedtime or wake-up time based on 90-min sleep cycles.

Math & GeometryNew · 8 Nov

Slope Calculator

Find slope and a line equation from two points.

Generators

Spin the Wheel

Random name picker wheel for classrooms, raffles, giveaways.

PDF Tools

Split PDF

Extract page ranges or split every N pages, all in your browser.

Developer Tools

SQL Formatter

Paste messy SQL and get clean, readable queries with consistent indentation and keyword casing.

Video ToolsNew · 8 Nov

SRT and WebVTT Converter

Convert basic subtitle cues between SRT and WebVTT.

Calculators

Standard Deviation Calculator

Calculate population and sample standard deviation with variance and mean.

Calculators

State Income Tax Calculator

2026 federal + state tax and take-home pay

Calculators

Student Loan Payoff Calculator

Find your debt-free date with extra payments.

Developer Tools

Subnet Calculator

IP subnet math: network, broadcast, and host ranges

Business & MarketingNew · 8 Nov

Subscription Cost Calculator

Compare recurring services as a monthly and annual total.

Video ToolsNew · 8 Nov

Subtitle Time Shifter

Shift SRT or WebVTT cue timestamps forward or backward.

Image Tools

SVG to PNG Converter

Convert SVG vectors to crisp PNG images.

GeneratorsNew · 8 Nov

SVG Wave Generator

Create a small decorative SVG wave without an image library.

Calculators

Target Heart Rate Zone Calculator

Find your personalized fat burn, cardio, and peak heart rate zones in BPM.

Calculators

TDEE Calculator

Find your daily calorie needs for cutting, maintaining or bulking — free, no signup.

Security & Privacy

Temp Mail Generator

Disposable email address with a live inbox

Security & PrivacyNew · 8 Nov

Temporary .edu.pl Mail

Create a disposable .edu.pl inbox using an external receive-only provider.

Test Data

Test Email Address Generator

Create placeholder email addresses using example.com.

Math & GeometryNew · 8 Nov

Test Grade Calculator

Convert correct answers into a percentage score.

Test Data

Test IPv4 Address Generator

Generate sample IPv4 addresses from documentation ranges.

Test Data

Test IPv6 Address Generator

Generate sample IPv6 addresses in the documentation prefix.

Text ToolsNew · 8 Nov

Text Chunker

Split text into word-count chunks with optional overlap.

Text Tools

Text Delimiter Converter

Change a literal separator to another separator.

Text Tools

Text Diff Checker

Compare two texts side by side — line-by-line changes plus similarity score.

Text Tools

Text Find and Replace

Replace exact text without writing a regular expression.

Text Tools

Text Line Filter

Keep or remove lines containing a literal phrase.

Text Tools

Text Line Sorter

Sort lines alphabetically or by numeric value.

Text Tools

Text Reverser

Reverse graphemes, words or the order of lines.

Text Tools

Text to Handwriting Converter

Handwritten notes from typed text — ruled paper, PNG.

Developer Tools

Text to Hex Converter

Convert UTF-8 text to hexadecimal bytes and back.

Audio Tools

Text to Speech

Free voice reader, no signup.

Text ToolsNew · 8 Nov

Text to URL Slug

Turn a title into a readable URL path segment.

Text Tools

Text Word Wrapper

Wrap paragraphs to a chosen character width.

Calculators

Thanksgiving Dinner Timeline Planner

Minute-by-minute Thanksgiving cooking schedule

Calculators

Thanksgiving Leftover Safety Timer

USDA eat-by dates for every dish

Calculators

Thanksgiving Side Dish Calculator

Exact side-dish portions per guest

Calculators

Thanksgiving Turkey Calculator

Turkey size, thaw time, and cook time in seconds

Calculators

Time Card Calculator

Total your work hours, breaks, overtime and gross pay — free, no signup.

Date & TimeNew · 8 Nov

Time Duration Adder

Add signed durations such as 2:30 and -0:45.

Date & TimeNew · 8 Nov

Time Duration Calculator

Measure the elapsed duration between two date-and-time values.

Converters

Time Zone Converter

Compare world times instantly.

Calculators

Tip Calculator

Split bills and calculate tips the American way.

Security & Privacy

TOTP 2FA Code Generator

Generate live 6-digit TOTP codes with countdown timer.

Generators

Tournament Bracket Generator

Single and double elimination brackets for up to 32 teams.

Audio Tools

Transcript

Turn speech in audio and video into accurate text.

Math & Geometry

Triangle Area Calculator

Calculate area from a base and its perpendicular height.

Math & GeometryNew · 8 Nov

Two Linear Equations Solver

Solve a₁x + b₁y = c₁ and a₂x + b₂y = c₂.

Text Tools

Typing Speed Test

Test your typing speed in WPM with live accuracy.

Converters

Unicode Code Point Converter

Inspect Unicode code points or convert decimal values to text.

Developer Tools

Unicode Escape Converter

Convert text to JavaScript Unicode escapes and back.

Text ToolsNew · 8 Nov

Unicode Normalizer

Normalize equivalent Unicode text representations.

Converters

Unit Converter

Imperial to metric, live two-way conversion.

Business & MarketingNew · 8 Nov

Unit Price Comparison

Compare two packs by their cost per equal unit.

Converters

Unix Timestamp Converter

Epoch to date and back — auto-detects s/ms/µs/ns.

Developer Tools

URL Encoder & Decoder

Encode or decode URLs and URI components instantly.

Text ToolsNew · 8 Nov

URL Extractor

Find HTTP and HTTPS URLs in pasted text.

Developer Tools

URL Parser

Inspect URL components and every query parameter, including duplicates.

Developer Tools

URL Query String Builder

Encode name/value lines into a URL query string.

GeneratorsNew · 8 Nov

URL Shortener

Create a shareable short link with a clear destination preview and expiry.

Generators

Username Generator

Generate cool, aesthetic and gaming usernames — add a keyword, pick a vibe.

Developer Tools

UTF-8 Byte Counter

Compare UTF-8 byte length, code points and UTF-16 units.

SEO Tools

UTM Builder

Build GA4-ready campaign URLs — source, medium and campaign tagging in one click.

Developer Tools

UUID Generator

Generate v4 and v7 UUIDs in bulk, right in your browser.

Video Tools

Video Compressor

Make MP4, WebM and MOV files small enough to email or share.

Video Tools

Video Speed Changer

Slow motion or timelapse — 0.25x to 4x speed with audio export.

Video Tools

Video Thumbnail Extractor

Capture any video frame as PNG/JPG — scrub or batch.

Video Tools

Video to GIF Converter

Convert video clips to GIF — trim and resize in browser.

Video Tools

Video to GIF Maker

Convert video clips free.

Video Tools

Video Trimmer

Cut unwanted start and end off any video in seconds.

Audio Tools

Virtual Piano

Play a piano in your browser, free.

Calculators

Water Intake Calculator

Daily water intake from weight, activity level, and climate.

Video Tools

Webcam Test

Camera check: resolution, FPS, snapshot — private.

Generators

Wedding Hashtag Generator

Personal hashtags from your names

Date & TimeNew · 8 Nov

Weekday Finder

Find the day of the week for a calendar date.

Math & GeometryNew · 8 Nov

Weighted Grade Calculator

Combine assessment scores using percentage weights.

GeneratorsNew · 8 Nov

WhatsApp Link Generator

Create a click-to-chat link with a prepared message.

Generators

White Elephant Gift Exchange Generator

Fair, phone-friendly gift exchanges

Audio Tools

White Noise Generator

Play white, pink and brown noise — sleep timer and volume control.

Text Tools

Whitespace Cleaner

Trim lines, collapse spaces or remove blank lines.

Calculators

Wind Chill Calculator

See what the cold really feels like — official NWS wind chill plus frostbite risk time.

Text Tools

Word Counter

Count words, characters and reading time as you type.

Text Tools

Wordle Solver

Enter green, yellow, and gray letters to find the Wordle answer.

Generators

Word Search Generator

Turn your own words into a printable word search puzzle with a solution key.

Text Tools

Word Unscrambler

Unscramble letters into valid words — great for Scrabble.

Generators

Would You Rather Generator

66 funny, tough and party-ready would-you-rather questions.

Developer Tools

XML Formatter

Format and validate XML while preserving text and CDATA.

SEO Tools

XML Sitemap Generator

Turn a URL list into a valid sitemap.xml.

Developer Tools

YAML to JSON Converter

Paste YAML or upload a .yaml file and get clean, pretty JSON instantly.

SEO Tools

YouTube Tag Generator

SEO tags for videos & Shorts, 500-char safe

Video Tools

YouTube Thumbnail Downloader

Preview and save any YouTube thumbnail in HD 1280×720 and more.

Video Tools

YouTube Timestamp Generator

YouTube chapters, timestamp share links, and embed codes.

Calculators

Zodiac Sign Calculator

Enter your birth date to find your Western sun sign and Chinese zodiac animal, with traits and compatibility.

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