Base64 Encoder/Decoder
Encode text or files to Base64 or decode Base64 back to original format. 100% secure - all processing happens in your browser with no server uploads.
Preview (Encode)
Information
Base64 encoding is a method to convert binary data into an ASCII string format. Our free online Base64 tool allows you to easily encode text to Base64 or decode Base64 back to text, with all processing happening directly in your browser for complete privacy and security. Perfect for developers working with APIs, embedding images in HTML/CSS, sending complex data in API calls, or safely transferring files. You can encode/decode text, files, and even images with instant results. This tool supports converting between Base64 and plain text, binary data, or images with zero server processing - your data never leaves your device.
How to Use
- Enter text in the input field to encode it to Base64
- Or paste Base64 and select decode mode to get the original text
- Click the copy button to copy the result to your clipboard
Note: Base64 encoding is not encryption. The data is not secure or hidden, just encoded in a different format.