Tool Categories
Browse all free online tools organized by category.
JSON Tools
Format, validate, convert, and transform JSON data.
YAML Tools
Validate, convert, and work with YAML data.
XML Tools
Format, validate, and transform XML documents.
SQL Tools
Format and beautify SQL queries.
Generators
Generate UUIDs, passwords, random data, and test data.
QR & Barcode
Generate and read QR codes and barcodes.
Security Tools
JWT, hashing, password security, and authentication tools.
Encoding
Encode and decode Base64, URL, HTML, and other formats.
Date & Time
Timestamps, timezones, age calculators, and cron tools.
Color Tools
Color picker, converters, and palette generators.
Image Tools
Compress, convert, resize, and optimize images.
Markdown
Preview, convert, and work with Markdown.
HTML Tools
Format, preview, and convert HTML.
CSS Tools
Generate gradients, shadows, and format CSS.
JavaScript
Format, minify, and work with JavaScript code.
Developer Tools
Regex, API tools, and other developer utilities.
Text Tools
Count, compare, transform, and analyze text.
CSV Tools
Convert and format CSV data.
Hashing
Generate MD5, SHA-256, and other hash algorithms.
Number Tools
Convert between binary, decimal, hex, and Roman numerals.