🔐 Base64 Encoder & Decoder
Convert text to Base64 encoding and decode Base64 strings securely. All processing happens in your browser - no data is sent to our servers.
Input Text
How to use: Type or paste text in the input area above, then click "Encode to Base64" to convert it, or paste a Base64 string and click "Decode from Base64" to convert it back to readable text.
What is Base64?
Base64 is an encoding scheme that converts binary data into ASCII text format. It's commonly used for encoding images, files, and other data for transmission over text-based protocols like email or HTTP.
Use Cases
- Email attachments (MIME encoding)
- Data URLs for web images
- API authentication tokens
- Configuration file encoding
- JSON data transmission
Privacy & Security
Your data never leaves your device. All encoding and decoding happens locally in your browser using JavaScript, ensuring complete privacy and security of your information.