Fast, handy, and secure. Everything runs in your browser.
JSON
Beautify and minify JSON
Text Diff
Compare two texts and highlight changes
Regex Tester
Test regular expressions interactively
Number Base Converter
Convert between binary, octal, decimal, hex
Hash (MD5/SHA*)
Compute MD5, SHA1, SHA256, SHA512
UUID
Generate one or many UUIDs
JWT Debugger
Decode and verify JWTs locally
Password Generator
Generate strong passwords
Date/Time Toolkit
Parse/convert time zones and formats
URL Encoder / Decoder
Percent-encode or decode URLs
UUID Inspector
Generate and inspect UUIDs
CSV <> JSON
Convert CSV to JSON and back
cUID Generator
Generate collision-resistant unique IDs
Color Tools
HEX/RGB/HSL converter & preview
JSON <> YAML
Convert JSON to YAML and back
JSON Schema Validator
Validate JSON against schema
Escape / Unescape
Escape or unescape special characters
JSONPath Runner
Query JSON with JSONPath
Base64 Text
Encode and decode Base64 text
Code Formatter
Format JS/TS, HTML, CSS
Base64 Image
Encode images to Base64
Unit Converter
Length, mass, time, storage, temperature
Random String
Create random strings
QR Code
Create and scan QR codes
Markdown Preview
Preview Markdown with syntax highlight
String Tools
Case converter, trimming
Text Counter
Count words, characters, lines
Cron Parser
Parse and preview CRON schedules
Bcrypt
Generate and compare bcrypt hashes
Secret Key
Generate secrets for .env
List Comparer
Intersection, differences, and union
List Delimiter
Change list delimiters, unique, sort
List → Array
Convert list into array literals
List → JSON Array
Convert list into JSON array
User-Agent
Generate browser User-Agent strings
Sitemap Generator
Generate XML sitemaps for SEO