Base64 Encoder/Decoder
Free online Base64 Encoder and Decoder. Convert text to Base64 format and decode Base64 strings back to text. Supports UTF-8 characters.
100% Private (In-Browser)Instant Web Worker SpeedZero Server Upload
Base64 Encoder/Decoder by Privacy-First Toolbox is a 100% free, client-side browser utility. It processes your files locally on your computer or smartphone using HTML5 and Web Workers—zero bytes of your files or data are ever uploaded to any external server.
Result will appear here...
Key Features
- Encode text to Base64
- Decode Base64 to text
- UTF-8 support
- Instant conversion
Common Use Cases
- Encoding data for transmission
- Decoding API responses
- Debugging Base64 strings
Frequently Asked Questions
More Crypto & Security
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