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Base64 Encoder / Decoder

Encode/decode Unicode text, URL-safe Base64, and small files in the browser.

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Base64FileDeveloper
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How to use

How to use Base64 Encoder / Decoder

1 Choose encode or decode mode.
2 Paste text or upload a small file.
3 Copy the result or save the decoded file.
Common uses

Base64 Encoder / Decoder works well for these tasks

Quick text encoding

Decode copied Base64 strings

Handle small browser-side files

Recommended flow

Use Base64 as a middle step, not the final stop

Text Encoding Converter → Base64 Encoder / Decoder → URL Encoder / Decoder → Hex Editor
FAQ

Frequently asked questions

What is Base64 Encoder / Decoder useful for?

Quick text encoding

How do I start using Base64 Encoder / Decoder?

Choose encode or decode mode. Paste text or upload a small file. Copy the result or save the decoded file.

What should I do after this result?

Most people continue with URL Encoder / Decoder, Hex Editor, Text Encoding Converter next.