Text & developer
Format JSON, compare text, count words, encode URLs, create passwords and check file hashes. Find timers and date calculators.
JSON formatter
Validate JSON and download a readable or compact version.
Open tool →Text cleanup
Remove duplicate lines, trim whitespace or sort a pasted list.
Open tool →Text comparison
Compare two texts and download a line-by-line difference report.
Open tool →Word and character counter
Count words, characters, sentences and paragraphs, estimate reading time and inspect frequent words.
Open tool →Base64 converter
Encode Unicode text as Base64 or decode Base64 back to text.
Open tool →Password generator
Generate random passwords locally using letters, numbers and symbols.
Open tool →Pomodoro timer
Alternate focused work sessions and breaks with a configurable Pomodoro timer.
Open tool →GPS route converter
Convert route coordinates between GPX, KML and GeoJSON.
Open tool →Broken-link checker
Check up to 30 links from a public webpage and download a status report.
Open tool →File checksum
Calculate a SHA-256 or SHA-512 fingerprint for a file on your device.
Open tool →ZIP creator
Bundle selected files into one ZIP archive without uploading them.
Open tool →ZIP extractor
Extract files from a ZIP archive locally and download them individually.
Open tool →Text case converter
Change text to uppercase, lowercase or title case.
Open tool →URL slug generator
Turn a title into a clean, lowercase URL slug.
Open tool →URL encoder and decoder
Encode or decode text for use inside a URL component.
Open tool →HTML entity converter
Encode HTML special characters or decode common and numeric entities.
Open tool →JSON to TypeScript
Infer a TypeScript type declaration from a JSON example.
Open tool →JSON key sorter
Sort object keys throughout JSON while keeping array order.
Open tool →Markdown table generator
Turn CSV data into a Markdown table for documentation.
Open tool →UUID generator
Generate random version 4 UUIDs for identifiers and testing.
Open tool →Unix timestamp converter
Convert Unix seconds, milliseconds or an ISO date into UTC time.
Open tool →Countdown timer
Run named countdowns with pause, restart and an audible completion alert.
Open tool →Online stopwatch
Measure elapsed time, record laps and download lap timings as CSV.
Open tool →Online alarm clock
Set a local-time alarm with a test sound and snooze controls.
Open tool →Age calculator
Calculate age in calendar years, months and days, and find the next birthday.
Open tool →File workflow builder
Chain compatible PDF, image and video operations into a reusable ordered workflow.
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