Free Base64 Encoder/Decoder
Encode text to Base64 or decode Base64 strings back to text. Also convert files to Base64 format. Perfect for web development, data transfer, and encoding tasks.
✓ 100% Free✓ No Upload✓ All File Types✓ Instant Results
100% Private & Secure: All compression happens directly in your browser. Your files never leave your device and are never uploaded to our servers. We only track anonymous statistics (file size and type) to improve our service - no actual file content is ever stored or transmitted.
Text Input
Base64 Output
How to Use Base64 Encoder/Decoder
Follow these simple steps to get the best results from our base64 encoder/decoder tool
Choose Operation
Select whether you want to encode text to Base64, decode Base64 to text, or convert files to Base64.
Three operation modes
Text or file input
Instant processing
Input Your Data
Enter your text, Base64 string, or select a file depending on your chosen operation.
Paste or type text
Upload any file type
Large text supported
Get Results
Copy the result to clipboard or download it as a file for your projects.
One-click copy
Download as file
Ready for use
Why Choose Our Base64 Encoder/Decoder?
- Encode and decode Base64 strings with perfect accuracy
- Convert any file type to Base64 format for embedding
- No file uploads - complete client-side processing for security
- Support for large text inputs and files
- Instant results with copy and download options
- Perfect for web development and data transfer tasks
Perfect For
- Embed images in CSS or HTML using data URLs
- Encode data for API requests and responses
- Convert files for email attachment encoding
- Prepare data for JSON/XML storage
- Debug and analyze Base64 encoded data
- Create data URLs for web applications
Frequently Asked Questions
Common questions about our Base64 Encoder/Decoder tool and file processing