Online Toolbox · Free browser-only utilities

100 online tools that run entirely in your browser: Base64, JSON, timestamps, hashes, image compression and more. No sign-up, no uploads.

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Convert between text, binary, URL, HTML entities and number bases — all in the browser.

Encode text or files to Base64 and back. UTF-8 safe, with base64url and 76-char line wrapping. Runs entirely in your browser.