Base64 Encoder / Decoder

Encode and decode Base64, with URL-safe mode.

Text to encode

URL-safe encoding (− _ instead of + /)

Base64 output

File to Base64

Choose a file

Reads the file as a data URL (MIME prefix included). Everything stays in your browser.

About this tool

Convert text or files to Base64 and back. Toggle URL-safe encoding and copy the result instantly. Runs in your browser.

How to use

1Choose Encode or Decode from the tabs.
2Paste your text (or a file for Base64) and see the result live.
3Toggle URL-safe encoding when the output will go in a URL.

Frequently asked questions

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