Time, planning, and everyday utilities
Working-day calculator
Count or add/subtract working dates with selected weekdays, explicit endpoints, entered holidays, exception reports and full text exports.
Open Working-day calculatorReleased
New tools.
See what has joined the collection since your last visit. Every tool here is ready to use, listed in original release order with the newest additions first.
Looking for changes to existing tools? Recently updated
Time, planning, and everyday utilitiesRecipe scaler
Scale ingredients by servings or a multiplier using exact fractions; preserve units and notes, then copy, download or print the recipe.
Open Recipe scalerReleased
CSV and spreadsheet helpersCSV column mapper
CSV column editor: rename, reorder or remove CSV/TSV columns by source position, preserve string cells and row order, and export with explicit header and formula-safety options.
Open CSV column mapperReleased
Text and writing utilitiesList comparison tool
Compare common, only-A, only-B and combined unique entries with explicit matching rules, source order and full text exports.
Open List comparison toolReleased
CSV and spreadsheet helpersCSV duplicate remover
Remove duplicate CSV/TSV records by selected keys, keep first or last, and export retained and removed rows in source order.
Open CSV duplicate removerReleased
Maths and number utilitiesAspect ratio calculator
Reduce exact ratios, resize proportionally with pixel-rounding disclosure, and estimate centered canvas padding or crop.
Open Aspect ratio calculatorReleased
Images and design utilitiesImage contact-sheet maker
Arrange JPEG and PNG images in an ordered, labelled grid with contain/cover fitting, exact pixel geometry and complete PNG/JPEG export.
Open Image contact-sheet makerReleased
Generators, games, and community toolsRandom team generator
Split participant lists into balanced-size teams with secure random draws, team-count or size-cap modes, shuffle undo and complete text export.
Open Random team generatorReleased
Text and writing utilitiesDuplicate line remover
Keep first occurrences with explicit matching rules, blank filtering and optional ordinal sorting.
Open Duplicate line removerReleased
Developer and automation utilitiesUnix timestamp converter
Convert Unix seconds or milliseconds to timezone-aware dates and UTC dates back to timestamps.
Open Unix timestamp converterReleased
Developer and automation utilitiesURL encoder decoder
Encode/decode URL components and form values, or inspect HTTP/HTTPS URLs locally.
Open URL encoder decoderReleased
CSV and spreadsheet helpersCSV ↔ JSON
Convert CSV/TSV to string-preserving JSON or flat JSON to CSV with precision-safe numbers, column selection and full exports.
Open CSV ↔ JSONReleased
Maths and number utilitiesPercentage calculator
Calculate percent of, ratios, changes, increases, decreases and symmetric differences with exact arithmetic.
Open Percentage calculatorReleased
Images and design utilitiesImage cropper
Crop JPG, PNG and WebP to exact pixels or aspect ratios with a preview and download.
Open Image cropperReleased
Text and writing utilitiesCase converter
Convert text to uppercase, lowercase, Capitalize Words, title case or sentence case.
Open Case converterReleased
Generators, games, and community toolsPassword generator
Generate random passwords locally with chosen length and character groups.
Open Password generatorReleased
Developer and automation utilitiesJSON formatter
Format, minify and validate JSON, with exact error positions.
Open JSON formatterReleased
PDF and document utilitiesPDF to JPG
Render PDF pages as JPG or PNG images at 72, 150 or 300 DPI.
Open PDF to JPGReleased
PDF and document utilitiesSplit PDF
Extract pages, split by ranges, or save every page as its own PDF.
Open Split PDFReleased
Images and design utilitiesBatch image resizer
Resize multiple images by dimensions or percentage.
Open Batch image resizerReleased
Images and design utilitiesImage format converter
Convert supported PNG, JPEG, and WebP images in the browser.
Open Image format converterReleased
Images and design utilitiesImage compressor
Reduce JPEG or WebP file sizes with a quality preview.
Open Image compressorReleased
PDF and document utilitiesImage to PDF
Combine JPG and PNG images into a PDF with selectable page sizes.
Open Image to PDFReleased
Generators, games, and community toolsQR code generator
Create downloadable QR codes for text and URLs.
Open QR code generatorReleased
PDF and document utilitiesPDF merger
Combine PDFs in a chosen order, entirely in your browser.
Open PDF mergerReleased
Text and writing utilitiesWord and character counter
Count words and characters, set writing targets, and estimate reading or speaking time.
Open Word and character counterReleased
Release dates come from the original tool-launch history. Improvements do not reset a tool's place in this list.