Base64 Encode / Decode

LOCAL · IN-BROWSER

Encode and decode Base64 strings instantly in your browser. UTF-8 safe.

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About Base64 Encode / Decode

Convert between plain text and Base64 encoding. Works with Unicode characters (UTF-8 safe). 100% client-side — paste sensitive data without worry.

All processing happens entirely in your browser using modern web APIs. Nothing is uploaded to our servers — your data stays local. Free forever for everyone, with a Pro plan for power users who want an ad-free experience and API access.

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