Base64 Decoder
Decode Base64 encoded text back to its original format. Fast, secure, and works entirely in your browser.
Base64 Input
Enter the Base64 encoded text you want to decode
Decoded Output
The decoded text will appear here
Base64 Decoder Features
Instant Decoding
Decode Base64 text instantly with a single click
Easy Copy
Copy decoded text to clipboard with one click
Download File
Save decoded text as a text file
Error Detection
Validates Base64 format and shows clear error messages
About Base64 Encoding
What is Base64?
Base64 is an encoding scheme that converts binary data into ASCII text format. It's commonly used to transmit binary data over text-based protocols like email or HTTP.
Common Use Cases
- Email attachments and MIME encoding
- Data URLs in HTML and CSS
- Storing binary data in JSON or XML
- Basic authentication headers
- Embedding images in web pages
Privacy & Security
All Base64 decoding happens locally in your browser. Your data never leaves your device, ensuring complete privacy and security.