Tool Description
Easily convert your text to Base64 encoding or decode Base64 back to plain text.
Simple, secure, and fast — all processing happens in your browser.
Key Benefits
Privacy First
All encoding and decoding happens directly in your browser. Your data never leaves your device or gets sent to any server.
Instant Processing
Get immediate results as you type. Our tool is optimized for performance even with large amounts of data.
Developer Friendly
Built with developers in mind. Handles large text blocks and provides clear error messages when decoding invalid Base64.
About Base64 Encoding
Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format. It's commonly used when there's a need to encode binary data for storage or transfer in environments that only reliably support text content.
Email attachments
Encoding binary files for transfer via email protocols
Data URIs
Embedding images and other assets directly in code
JSON storage
Storing binary data in JSON-compatible string format
Authentication
Used in Basic Auth and various token formats