Category
Developer
Format, inspect, encode, and debug code.
UUID Generator
Generate random version 4 UUIDs in bulk and copy or download them.
JSON Formatter & Validator
Pretty-print, minify and validate JSON with clear error details.
Base64 Encoder & Decoder
Encode text to Base64 and decode it back, safely in your browser.
URL Encoder & Decoder
Percent-encode and decode URLs and query strings safely.
JSON Minifier
Strip whitespace from JSON to get the smallest valid payload.
XML Formatter
Pretty-print, validate and minify XML documents locally.
HTML Formatter
Indent messy HTML into clean, readable markup.
HTML Minifier
Shrink HTML by removing comments and extra whitespace.
CSS Formatter
Format stylesheets with consistent indentation and spacing.
CSS Minifier
Minify CSS by removing comments, spaces and last semicolons.
JavaScript Formatter
Re-indent JavaScript so blocks and statements are readable.
SQL Formatter
Break long SQL queries onto readable, indented lines.
Regex Tester
Test regular expressions live with matches, groups and replace.
JWT Decoder
Decode a JWT header and payload and read its expiry locally.
URL Parser
Break any URL into protocol, host, path, query and hash.
Query String Parser
Turn a query string into a readable table or JSON, and back.
Unix Timestamp Converter
Convert Unix timestamps to dates and back, in UTC or local time.
Hash Generator
Generate SHA-1, SHA-256, SHA-384 and SHA-512 hashes in the browser.
HTML Entity Encoder & Decoder
Escape and unescape HTML entities safely in your browser.
Cron Expression Generator
Build and explain cron schedules with a guided editor.
JSON Validator
Check JSON for syntax errors with line and column hints.
JSON Tree Viewer
Explore JSON as a collapsible tree of keys and values.
YAML to JSON Converter
Convert YAML to JSON and JSON back to YAML.