Developer Tools
Free online tools for developers. Format JSON, encode Base64, and decode JWTs. All tools run securely in your browser.
JSON Formatter
Format, validate, and minify JSON data instantly in your browser.
Base64 Encoder/Decoder
Encode to or decode from Base64 string format safely and locally.
UUID Generator
Generate secure, random UUIDs (Universally Unique Identifiers) instantly.
URL Encoder/Decoder
Encode and decode URLs or URI components to ensure safe transmission.
JWT Decoder
Decode JSON Web Tokens (JWT) locally to view their header and payload.
Frequently Asked Questions
Are these Developer Tools free to use?
Yes, all of our tools are 100% free to use with no hidden fees or registration required.
Is my data secure?
Absolutely. We use local browser processing where possible. Your files and data are not uploaded to our servers, ensuring maximum privacy.
Do I need to install any software?
No, everything runs directly in your web browser. There is no software to download or install.