Free Tools for Developers
Small, fast tools developers reach for every day — free forever, no sign-up, and everything runs privately in your browser. Nothing you paste is ever sent to a server.
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JSON Formatter & Validator
Paste messy JSON and get it beautifully formatted — or minified — with instant error checking. Free, private, runs in your browser.
Open → B64Base64 Encoder / Decoder
Encode text to Base64 or decode it back, with full Unicode support. Handy for APIs, data URIs and debugging.
Open → ***Strong Password Generator
Generate strong random passwords with a strength meter — and learn how websites should store them safely.
Open →Learn while you build
These tools pair with our free step-by-step tutorials. Follow a learning path and turn small tools into real skills.
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