Browse Tools by Topic
Tools grouped by purpose so you can find what fits your task.
JSON & Data Format Tools
Format and validate JSON, and convert between CSV, YAML, TOML, and XML.
8 tools
Encoding, Hashing & Security Tools
Base64, URL encoding, hash generation, passwords, and JWT decoding — security-adjacent utilities.
11 tools
Color & CSS Tools
Color-code conversion, palette generation, contrast checking, and CSS gradient/shadow generators.
13 tools
Date & Time Tools
Date arithmetic, age calculation, timezone conversion, Unix timestamps, countdowns, and more.
11 tools
Text Processing Tools
Character counting, case conversion, slug generation, kana conversion, full/half-width conversion.
15 tools
Math & Calculation Tools
Percentage, discount, loan, statistics, primality testing, unit conversion, and more.
18 tools
Web Development Tools
Regex tester, cron expressions, HTTP status codes, IP address info, chmod, CIDR, diff checker.
8 tools
Markdown & Document Tools
Markdown preview, Markdown ↔ HTML conversion, TOC generation, SQL formatting, HTML preview.
7 tools
Random & Decision Tools
Dice roller, coin flip, random number, and random name picker.
4 tools
Media & Visual Tools
QR code generation, image compression, screen resolution, emoji picker, Morse code, YouTube timestamps.
7 tools