Base64 Encoder/Decoder
Encode and decode Base64 strings online. Convert text to Base64 and back for data transmission and storage.
Bidirectional Encoding
Support both Base64 encoding and decoding with seamless conversion between text and encoded formats.
File Support
Upload and process various file formats including text files, configuration files, and data files.
URL Safe
Support both standard and URL-safe Base64 formats for different application scenarios.
Auto Detection
Automatically detect input content type and intelligently choose the most suitable encoding format.
Privacy & Security
All processing happens locally in your browser, ensuring complete data privacy and security.
Instant Processing
Real-time encoding and decoding with one-click copy functionality for efficient workflow.
Why Choose Our Base64 Encoder?
Our Base64 encoder is a powerful, secure online tool that supports encoding and decoding operations for both text and files. Whether you're a developer handling API data or a system administrator encoding configuration files, our tool provides fast and accurate processing results.
Use Cases
- API Authentication: Handle HTTP basic authentication and token encoding
- Data Storage: Securely store binary data and configuration information
- Email Attachments: Encode files for email transmission
- Web Development: Process data URLs and embedded content
- Configuration Management: Encode sensitive configurations and key information
- Debugging & Analysis: Decode and analyze Base64-encoded data
Technical Features
Supports RFC 4648 standard Base64 encoding, including both standard and URL-safe formats. Features file upload functionality with batch processing support. Includes intelligent content detection for automatic format recognition. All operations are performed client-side for data privacy. Provides detailed error messages and processing status feedback.