Syed Waleed
A useful tool for your next task.
Plan a room project, work through statistics, clean a spreadsheet or prepare your week. These are 100 additional workspaces, each with an example and a clear method.
Choose a group below. Names are sorted A–Z within each group. Search all 537 tools, or visit the previous 100 additions.
Statistics
10 additional toolsBinomial Probability Calculator
Find exact and cumulative success probabilities for independent trials.
StatisticsGeometric Mean Calculator
Average positive multiplicative factors without overflowing a product.
StatisticsIQR Outlier Detector
Identify observations outside the 1.5 × IQR fences.
StatisticsLinear Regression Calculator
Fit a least-squares line and inspect residuals.
StatisticsMean Confidence Interval
Estimate a normal confidence interval when population standard deviation is known.
StatisticsPearson Correlation Calculator
Measure linear association between paired observations.
StatisticsPoisson Probability Calculator
Calculate event-count probabilities for a constant average rate.
StatisticsSurvey Sample Size Calculator
Plan a random-sample survey for a population proportion.
StatisticsWeighted Mean Calculator
Average values with explicit non-negative weights.
StatisticsZ-Score Calculator
Standardize a value against a mean and standard deviation.
Electronics & Energy
10 additional toolsAppliance Energy Cost Calculator
Estimate electricity use from watts, daily hours and your tariff.
Electronics & EnergyBattery Runtime Estimator
Estimate runtime using battery capacity, load and usable-energy assumptions.
Electronics & EnergyDC Wire Voltage Drop Calculator
Estimate resistive drop for a two-wire copper DC circuit.
Electronics & EnergyGear Ratio and RPM Calculator
Calculate output speed and ideal torque ratio for a gear pair.
Electronics & EnergyIdeal Transformer Ratio Calculator
Relate primary and secondary turns and voltage.
Electronics & EnergyLED Resistor Calculator
Estimate the resistor and dissipation for one low-voltage LED.
Electronics & EnergyParallel Resistor Calculator
Combine resistors in parallel and compare series resistance.
Electronics & EnergyRC Time Constant Calculator
Estimate charging and discharging times for an ideal RC circuit.
Electronics & EnergySeries Capacitor Calculator
Combine capacitors in series and parallel.
Electronics & EnergyVoltage Divider Calculator
Calculate the unloaded output of two series resistors.
Home & DIY
10 additional toolsBrick Quantity Calculator
Estimate bricks for a single-skin wall with mortar joints.
Home & DIYDeck Board Calculator
Estimate deck boards and spare boards for a simple rectangle.
Home & DIYFence Post Calculator
Estimate posts and panels for a straight fence run.
Home & DIYGravel Quantity Calculator
Estimate fill volume, mass and cost using your supplied density.
Home & DIYRectangular Tank Capacity
Estimate tank volume and usable capacity below a fill limit.
Home & DIYRoof Pitch Area Calculator
Estimate a simple sloped roof surface from horizontal footprint.
Home & DIYSlope and Grade Calculator
Convert rise and horizontal run into grade, angle and ratio.
Home & DIYStair Layout Calculator
Explore riser count, actual rise and horizontal run.
Home & DIYTile Quantity Calculator
Estimate tile quantity from area, tile dimensions and waste.
Home & DIYWallpaper Roll Calculator
Estimate wallpaper rolls with pattern-repeat rounding.
Design & CSS
10 additional toolsColor Shades Generator
Create tints and shades from one HEX color.
Design & CSSCSS Clip-Path Polygon Generator
Build a symmetric polygon or star clip-path declaration.
Design & CSSCSS Filter Generator
Compose filter CSS from brightness, contrast and image-effect controls.
Design & CSSCSS Keyframes Generator
Generate a small fade, slide or scale animation with reduced-motion support.
Design & CSSGradient Text CSS Generator
Build gradient text with a solid-color fallback.
Design & CSSPrint Bleed and Pixel Calculator
Calculate artwork dimensions including bleed and resolution.
Design & CSSSVG Blob Generator
Create a deterministic organic SVG shape with a seed.
Design & CSSSVG Pattern Generator
Create a downloadable repeating dots, grid or diagonal SVG pattern.
Design & CSSSVG Polygon Generator
Generate a regular polygon or star as a small SVG.
Design & CSSTypography Scale Generator
Generate a consistent type scale in rem and pixels.
Data & Spreadsheets
10 additional toolsCSV Blank Row and Column Cleaner
Remove rows and/or columns containing only blank cells.
Data & SpreadsheetsCSV Combine Columns
Join selected CSV columns into one new field.
Data & SpreadsheetsCSV Fill Down
Fill blank cells from the previous non-blank value in one column.
Data & SpreadsheetsCSV Group By
Aggregate a numeric CSV column by a selected group.
Data & SpreadsheetsCSV Key Join
Join two CSV tables on a unique right-hand key.
Data & SpreadsheetsCSV Pivot Table
Create a summed cross-tab from three named CSV columns.
Data & SpreadsheetsCSV Split Column
Split a named CSV column into new columns by a literal delimiter.
Data & SpreadsheetsCSV Unpivot
Turn multiple value columns into a long-form attribute/value table.
Data & SpreadsheetsJSON Flatten to Paths
Convert nested JSON leaves into reversible path/value entries.
Data & SpreadsheetsJSON Unflatten Paths
Rebuild nested JSON from typed path/value entries.
Text Tools
10 additional toolsAcronym Extractor
List distinct uppercase acronyms and their occurrence counts.
Text ToolsControl Character Inspector
Reveal invisible control characters and optionally remove unsafe controls.
Text ToolsNumber Extractor
Extract signed decimal and scientific numeric tokens from text.
Text ToolsSentence Per Line
Separate prose sentences into editable lines.
Text ToolsSmart Quotes Converter
Normalize typographic punctuation or apply basic smart quotes.
Text ToolsTabs and Spaces Converter
Expand tabs to tab stops or compress leading spaces into tabs.
Text ToolsText Between Markers
Extract non-overlapping text between literal start and end markers.
Text ToolsText Dedent
Remove shared indentation without collapsing paragraphs.
Text ToolsText Line Padding
Pad each line to a fixed Unicode code-point length.
Text ToolsText Truncation Tool
Shorten text to a limit with a suffix and optional word boundary.
Developer Tools
10 additional toolscURL Command Builder
Compose a POSIX-shell cURL command without making a request.
Developer ToolsEditorConfig Generator
Generate indentation, line ending and whitespace settings.
Developer ToolsENV Example Generator
Replace environment values with placeholders while keeping variable names.
Developer ToolsGitignore Builder
Combine transparent ignore rules for common project types.
Developer ToolsHTTP Header Parser
Inspect pasted HTTP header fields and repeated values.
Developer ToolsJSON Schema from Example
Draft a JSON Schema from one representative JSON value.
Developer ToolsPackage.json Starter
Generate a minimal npm project manifest with scripts.
Developer ToolsRegex Literal Escaper
Escape text for a literal JavaScript regular expression match.
Developer ToolsSQL IN List Builder
Create a safely quoted literal list from lines of values.
Developer ToolsSubresource Integrity Hash Generator
Compute an SRI value for the exact UTF-8 text you enter.
Business & Marketing
10 additional toolsBillable Capacity Planner
Plan monthly billable capacity after leave and non-billable work.
Business & MarketingCAGR Calculator
Measure a constant annualized growth rate between two positive values.
Business & MarketingCampaign Budget Splitter
Allocate a budget across channels using explicit weights.
Business & MarketingCash Runway Calculator
Estimate months of runway from cash and monthly net burn.
Business & MarketingDimensional Shipping Weight
Compare actual and volumetric weight using your carrier divisor.
Business & MarketingLead Goal Calculator
Work backward from a customer target to leads and visitors.
Business & MarketingOEE Calculator
Calculate availability, performance and quality for one production period.
Business & MarketingSales Commission Calculator
Calculate flat commission and total pay for a sales period.
Business & MarketingSimple ROI Calculator
Compare net gain with your stated total cost.
Business & MarketingTeam Utilization Calculator
Compare billable hours with available team capacity.
Converters
10 additional toolsBase64 File Decoder
Decode a Base64 payload into a downloadable binary file.
ConvertersCSV to SQL Inserts
Convert a quoted CSV into standard SQL text-literal INSERT statements.
ConvertersDecimal Degrees and DMS Converter
Convert signed decimal degrees to degrees/minutes/seconds and back.
ConvertersGreat-Circle Distance Calculator
Estimate the shortest surface distance between two coordinates.
ConvertersHTML Table to CSV
Extract the first pasted HTML table into quoted CSV.
ConvertersICS Calendar Event Generator
Create an offline calendar event file with explicit UTC times.
ConvertersLocale Number Formatter
Format a dot-decimal number for a selected locale.
ConvertersPCM Audio File Size Calculator
Estimate uncompressed PCM storage and data rate.
ConvertersUTF-8 and Latin-1 Byte Converter
Inspect UTF-8 or ISO-8859-1 bytes and decode a hex byte sequence.
ConvertersvCard Contact Generator
Create a vCard 3.0 contact file from details you enter.
Documents
10 additional toolsContent Calendar Maker
Organize dated content ideas by channel and status.
DocumentsPrintable Habit Tracker
Build a clean monthly checklist with actual calendar days.
DocumentsProject Milestone Planner
Turn dated milestones into a sorted printable project timeline.
DocumentsShopping Budget Planner
Prepare a quantity/price shopping list and compare it with a budget.
DocumentsStudy Schedule Maker
Allocate a study-time budget across weighted subjects.
DocumentsTask Priority Matrix
Organize tasks using urgency and importance scores.
DocumentsTravel Itinerary Maker
Sort your own dated travel activities into a printable itinerary.
DocumentsWeekly Planner Maker
Prepare a printable week with daily priorities and tasks.
DocumentsWeighted Decision Matrix
Compare options against criteria with explicit weights.
DocumentsWorkout Log Maker
Create a printable training log from sets, reps and load.