Base64 Encode & Decode
Encode text or files to Base64 and decode Base64 back — privately in your browser. Free online Base64 converter, no upload.
Base64 encode and decode in your browser
Convert text or files to Base64 and back without sending anything to a server. Useful for data URIs, configs, and debugging.
What you can do with it
- Create a data URI
- Encode an image or snippet to Base64 for embedding in HTML or CSS.
- Recover a file from Base64
- Paste Base64 and download the decoded bytes.
How to encode or decode Base64
- Choose Encode or Decode.
- Paste text or encode a file.
- Click Convert, then copy the output or download decoded bytes.