Convertor
64

Text tool

Base64 encode / decode

Encode text to Base64 or decode it back, with full Unicode support.

Runs in your browser
No files needed100% local · no upload

Guide

How to convert base64 encode / decode

  1. Paste your input

    Paste text to encode, or Base64 to decode.

  2. Encode or decode

    Pick the direction — full Unicode support on both sides.

  3. Copy the result

    Copy the Base64 string or the decoded text.

Frequently asked questions

Does it support non-ASCII text?

Yes — UTF-8 encoding is used, so Chinese, emoji and accents encode and decode correctly.

Can I use it for API payloads?

Absolutely — encoding JSON or tokens to Base64 for headers and payloads is a common use.

Is my data uploaded?

No — everything happens locally in your browser.

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