Base64 Encoder/Decoder
Convert text and files to and from Base64 format instantly. Perfect for encoding binary data into ASCII text format. All processing is done locally in your browser for privacy.
Base64 Encoder/Decoder
Convert text to and from Base64 format with our free online tool. Perfect for encoding binary data into ASCII text format.
Features
- Encode text to Base64
- Decode Base64 to text
- File upload support
- Copy results to clipboard
- Real-time validation
- Error handling
- Mobile-friendly interface
- No registration required
How to Use
Encoding
- Select "Encode" tab
- Enter text or upload a file
- Click "Encode to Base64"
- Copy the encoded result
Decoding
- Select "Decode" tab
- Enter Base64 string
- Click "Decode from Base64"
- View the decoded text
Understanding Base64
Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format. It's commonly used to:
- Embed image files in HTML/CSS
- Send binary data in emails
- Store complex data in databases
- Transfer data in URLs
- Encode binary attachments
Common Use Cases
Web Development
- Data URIs for images
- API data transmission
- Web storage
- URL-safe data encoding
Email Systems
- Attachment encoding
- Binary data transfer
- Character set conversion
- MIME encoding
Security
- Basic authentication
- Token encoding
- Certificate encoding
- Signature encoding
Why Use Our Tool
- Instant encoding/decoding
- File upload support
- Clear error messages
- User-friendly interface
- Works offline
- Free to use