All tools
Pick one and get it done. New ones land here first.
- Live
PDFToolkit
Merge, split, compress, and convert PDF files right in your browser.
PDF - Live
Flashcard
Load flashcards from Excel or CSV, or study ready-made decks like interview questions.
Study - Live
JSON Formatter & Validator
Format, validate, and pretty-print JSON instantly.
Developer - Live
Cron Job Expression Generator
Build and understand cron expressions without memorizing syntax.
Developer - Live
Regex Tester
Test regular expressions against sample text with live matches.
Developer - Live
Word & Character Counter
Count words and characters, with estimated reading time.
Text & Writing - Live
Dummy Text Generator
Generate placeholder text for mockups and layouts.
Text & Writing - Live
List Randomizer & Picker
Paste a list of names or options and shuffle or pick at random.
Everyday - Live
Calculators
A collection of everyday calculators in one place.
Everyday - Soon
Gridlock
Rotate and slide Tetris-like blocks to fit a non-standard grid. Scored on time and moves.
Brain Games - Soon
Numbubbles
Pop only the bubbles whose math expression matches the target number before they escape.
Brain Games