Base64 Encoder / Decoder
Convert text to and from Base64 format. Base64 encoding is commonly used for encoding binary data into ASCII text format for data transmission and storage.
Base64 Encoder/Decoder
About Base64 Encoder & Decoder
Base64 encoding is a critical utility for developers, allowing binary data to be represented in an ASCII string format. Our Base64 Encoder & Decoder provides a seamless, browser-based experience for converting text and data into Base64 or bringing it back to human-readable form. Whether you're handling API authentication headers, embedding small assets, or obfuscating data for transmission, our tool ensures 100% accuracy and privacy.
Key Features
- Instant two-way conversion between plain text and Base64 format
- Safe character handling supporting UTF-8 and special characters
- Real-time validation—instantly spot invalid Base64 strings during decoding
- Mobile-responsive design for on-the-go developer debugging
- Zero-server interaction: your data is processed entirely in your browser
Why Use This Tool?
- •Simplified data transmission over text-only protocols like SMTP
- •Securely handle sensitive binary data within JSON payloads
- •No reliance on external APIs—works offline once the page is loaded
- •Fastest way to generate basic auth headers for developers
How to Use Base64 Encoder & Decoder
Select your mode: 'Encode' to convert text to Base64, or 'Decode' to reverse it.
Paste your source string into the 'Input Text' area.
Click the primary 'Encode' or 'Decode' button to trigger the conversion.
Copy the resulting string from the 'Output' field for use in your project.