Base64 Encoder & Decoder

Runs in your browser — nothing is uploaded

Input

URL-safe alphabet (- _ instead of + /, no padding)

Output

Enter text and click Encode or Decode.

Files up to 20 MB. The whole file is read into memory in your browser — nothing is uploaded.

Base64 output

Choose a file to encode it.

About this tool

Encoding/decoding happens entirely in your browser. Nothing you type or upload is ever sent to our servers.

What is Base64 Encoder & Decoder?

Encode or decode Base64 text and files. It is one of the Security & Crypto tools on MyCodeTips.

How do I use Base64 Encoder & Decoder?

Open the tool, enter or paste your input, and the result appears right away. Use the Copy button to copy it.

Is Base64 Encoder & Decoder free to use?

Yes. It is free to use and does not need an account.

Is my data safe with Base64 Encoder & Decoder?

Yes. It runs entirely in your browser, so what you enter is never uploaded to our servers.

Can I share my result?

Yes. Use the share buttons below the tool to post a link or copy a link to the tool page.