DevToys Web Pro
Access 30+ free developer tools online. Format JSON/XML, encode/decode Base64, decode JWTs, generate UUIDs, and test regex. Fast, private, and no install.
DevToys Web Pro is a free, browser-based collection of 30+ essential developer tools designed for speed, convenience, and complete privacy. Every tool runs entirely in your browser using JavaScript and WebAssembly, ensuring your code, credentials, and sensitive data never leave your machine.
Privacy First
Whether you're working with JWT tokens, API keys, or private keys, everything stays local. No uploads, no tracking, and no risk of exposing sensitive information.
Tool Categories
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Formatters
Format and validate JSON, SQL, XML, CSS, and more. -
Encoders / Decoders
Work with Base64, URL encoding, JWT decoding, and Hex transformations. -
Generators
Instantly generate UUIDs, secure passwords, QR codes, hashes, and RSA keys. -
Converters
Convert JSON to YAML or CSV, parse cron expressions, and calculate chmod permissions. -
Testers
Test regular expressions, validate JSON Schema, and parse URLs.
Why Developers Love It
- Zero Setup — No installation or login required
- Instant Access — Works in any modern browser
- Offline Ready — Available as a PWA for offline usage
- Quick Access — Also offered as a browser extension
Built for Everyday Tasks
Faster than writing scripts or switching between IDE extensions, DevToys Web Pro is perfect for quick, one-off tasks that require accuracy, speed, and privacy.
