Regex Tester
Run a regular expression against test text and inspect matches and groups.
๐ป Category
Developer tools
23 tools are available in this category.
Cron Generator
JSON Formatter
Validate and transform JSON with formatting, key sorting, slash escaping, and minified output.
SQL Formatter
Apply browser-side keyword line breaks and indentation to SQL.
Timestamp Converter
Convert Unix timestamps, milliseconds, and ISO dates to local time, UTC, and relative time.
UUID Generator
Generate secure-random UUID v4 values in the selected format and quantity.
JWT Decoder
Decode a JWT header and payload without verifying its signature.
Password Generator
Generate passwords from secure browser randomness and selected constraints.
HTML Formatter
A browser MVP formatter that applies line breaks and indentation around HTML tags.
CSS Formatter
Apply line breaks and indentation around CSS blocks, declarations, and semicolons.
JavaScript Formatter
A browser MVP formatter that tidies JavaScript around braces and semicolons.
XML Formatter
Diff Checker
Compare two texts line by line and mark added, removed, and changed lines.
Color Converter
HTACCESS Generator
Meta Tag Generator
robots.txt Generator
Build crawler allow, disallow, delay, and sitemap directives.
Sitemap.xml Builder
HTTP Status Lookup
Unicode Converter
Convert characters to Unicode code points and escape notation.
Escape / Unescape
Number Base Converter
Convert between decimal, hexadecimal, octal, and binary numbers.