Browse by Category
10 categories · 94 tools — every one runs entirely in your browser. No uploads, no accounts.
JSON & Data Formats
Parse, format, validate, and convert JSON, CSV, XML, YAML, and TOML — all without uploading a byte.
Encoding & Decoding
Base64, URL encoding, HTML entities, hex, binary, Unicode, and more — every codec runs in your tab.
Crypto, Hashing & Security
SHA hashes, HMAC, bcrypt, JWT, AES/RSA — browser-native Web Crypto for verifiable in-browser security.
Text & String
Case converters, word counters, diffing, Markdown, Lorem Ipsum, and every text manipulation you need.
Regex & Cron
Live regex tester with match highlighting, cron expression builder, and human-readable cron translation.
Formatters & Minifiers
Beautify or minify HTML, JavaScript, SQL, XML, YAML, TOML, and GraphQL with dialect and option support.
Converters
Unix timestamps, timezones, number bases, CSV-to-SQL, and more — zero round trips.
Generators
Fake data, QR codes, .gitignore, Dockerfile, Nginx configs, README scaffolds — generated locally.
Network & Web
IP lookup, DNS, subnet calculator, user agent parser, URL parser — most run entirely in the browser.
Date & Time
Date arithmetic, ISO 8601 parsing, week numbers, duration calculators — all computed client-side.