Encode and decode Base64 strings instantly. Support for text and file uploads. Perfect for developers working with data encoding and APIs.
Your converted result will appear here
"Hello World"
SGVsbG8gV29ybGQ=
{"name": "John", "age": 30}
eyJuYW1lIjogIkpvaG4iLCAiYWdlIjogMzB9
https://example.com
aHR0cHM6Ly9leGFtcGxlLmNvbQ==
Binary: 01001000 01100101 01101100 01101100 01101111
SGVsbG8=
Encode and decode Base64 strings instantly with real-time processing.
No hidden costs, no subscriptions, no watermarks. Completely free to use.
Works perfectly on all devices - desktop, tablet, and mobile.
Upload and convert files directly to Base64 or decode Base64 back to files.
Perfect for API development, data storage, and web applications.
All processing happens in your browser. No data is sent to our servers.
Enter text directly or upload a file to convert to/from Base64 format.
Choose whether to encode text/files to Base64 or decode Base64 back to original format.
Copy the result to clipboard or download the converted file for use in your projects.
Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format. It's commonly used for data transmission and storage.
All file types are supported! Images, documents, videos, audio files, and any other binary data can be converted to Base64.
File size is limited by your browser's memory. Very large files (hundreds of MB) may cause performance issues, but most common files work perfectly.
Yes! All file processing happens locally in your browser. Files are never uploaded to our servers or stored anywhere.