Base64

Runs locally

Base64 encode and decode text and files, UTF-8 safe.

Source & licensesopen-source components and licenses

Text and files · UTF-8 · Encode and decode

About this tool

How to use

  1. Choose text or file mode.
  2. Click encode or decode.
  3. Copy or download the result.

Features

  • Text and files
  • UTF-8 safe for Chinese and emoji
  • Encode / decode both ways
  • Processed locally
  • Free, no sign-up

Privacy

Your input and files never leave the browser.

FAQ

Does it support Chinese?

Yes — everything is processed as UTF-8.

Is there a file size limit?

It is bounded by browser memory; normal small files are fine.

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