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Base64 Encoder & Decoder

Convert text to and from Base64 instantly. Handles UTF-8 correctly, runs entirely in your browser, and never sends your data anywhere.

Free · no sign-up Developer

About the Base64 Encoder / Decoder

Convert text to and from Base64 instantly. Handles UTF-8 correctly, runs entirely in your browser, and never sends your data anywhere.

Frequently asked questions

Does it handle emojis / accents?
Yes — encoding and decoding are UTF-8 safe.
Is my input uploaded?
No, everything runs locally in your browser.

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