Base64 Converter
Encode text to Base64 or decode Base64 to text. Convert images to Base64 format for web development, data storage, & API integration. Perfect for developers & data encoding needs. Perfect for web development, data storage, and API integration.
Conversion Mode
Text
Sample Texts
Base64
How to Use This Base64 Converter
Base64 encoding is a method of converting binary data into ASCII text format. It's commonly used in web development, email systems, and data storage where binary data needs to be transmitted or stored as text.
Text Encoding/Decoding
Convert regular text to Base64 format or decode Base64 strings back to readable text. Perfect for encoding configuration data, API tokens, or any text that needs to be transmitted safely.
Image Conversion
Convert image files to Base64 format or decode Base64 back to downloadable images. Upload PNG, JPG, GIF files or paste Base64 strings to convert bidirectionally.
Common Use Cases
- Web Development: Embedding small images directly in CSS or HTML using data URIs
- API Integration: Encoding authentication tokens, configuration data, or binary payloads
- Email Systems: Encoding attachments and embedded images in email messages
- Data Storage: Storing binary data in text-based databases or configuration files
- JSON/XML: Including binary data in text-based data formats
- Security: Obfuscating sensitive data (though Base64 is NOT encryption)
Important Notes
- Base64 is NOT encryption - it's encoding and can be easily decoded
- Size increase: Base64 encoding increases data size by approximately 33%
- Image limits: Keep image files under 10MB for optimal performance
- Browser support: Modern browsers handle Base64 data URIs well for images under 32KB