Simple tools for everyday work
Cooconsbit builds fast, browser-based utilities for writing, converting and calculating — no install, no signup, free to use.
Popular tools
A handful of the most-used utilities from our free online toolkit.
Markdown Editor
Write and preview Markdown live.
JSON Formatter
Format, validate and minify JSON.
PDF Toolkit
Merge, split and compress PDFs.
Base64 Encode/Decode
Convert text and files to Base64.
QR Code Tool
Generate and scan QR codes.
Password Generator
Create strong, random passwords.
Diff Checker
Compare two blocks of text.
Regex Tester
Test patterns with live matches.
Timestamp Converter
Unix time ↔ human dates.
Color Picker
Pick colors, get HEX/RGB/HSL.
Word Counter
Count words, characters, lines.
UUID Generator
Generate v4 UUIDs in bulk.
Built to get out of your way
Everything runs in your browser. Nothing to install, nothing to sign up for.
Instant
Open a page and start working — tools load in a click.
Private
Most tools run fully client-side; your data stays on your device.
Free
No accounts, no paywalls, no limits on everyday use.
Cross-platform
Works the same on desktop, tablet and phone.