Base64 Encoder/Decoder
Encode and decode Base64 strings for text and files. All processing happens in your browser.
Click to select a file or drag & drop
Any file type supported
About Base64 Encoder/Decoder
Base64 is a binary-to-text encoding scheme that represents binary data as ASCII text. Our free online tool lets you quickly encode text to Base64 or decode Base64 back to plain text. You can also encode entire files to Base64 format.
Common Uses
- Email attachments (MIME encoding)
- Embedding images in HTML/CSS
- Data URLs for web applications
- API authentication tokens
- Storing binary data in text formats