Developer tools
JSON, Base64, regex, and other code utilities.
All Developer tools
JSON Formatter
Format, validate, and minify JSON
Base64 Encoder/Decoder
Encode and decode Base64 text
Hash Generator
MD5, SHA-1, SHA-256, SHA-512 hashes
URL Encoder / Decoder
Encode and decode URL-safe text
JWT Decoder
Decode and inspect JSON Web Tokens
Markdown ↔ HTML Converter
Convert between Markdown and HTML with live preview
Regex Tester
Test, debug, and learn regular expressions
CSV ↔ JSON Converter
Convert between CSV and JSON, both ways
YAML ↔ JSON Converter
Convert between YAML and JSON instantly
Timestamp Converter
Convert Unix epoch to human dates and back
Number Base Converter
Binary, octal, decimal, hex with live sync
Image to Base64
Encode images to Base64 data URIs and decode back
Meta Tag Generator
SEO + Open Graph + Twitter meta tags with live preview
Slug Generator
Turn any title into a clean URL slug
HTML Minifier & Beautifier
Minify HTML to shrink it, or beautify to format it
JSON to XML Converter
Convert JSON to XML and XML back to JSON
CSS Minifier & Beautifier
Minify CSS to shrink it, or beautify to format it
Cron Expression Generator
Build and understand cron schedules in plain English
HTTP Status Codes
Searchable reference for every common status code
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