Base64 Encoder/Decoder
Convenient Base64 converter with bi-directional encoding/decoding, customizable prefix, and live preview.
Input Text
Output Text
About This Tool
The Base64 Codec supports conversion for various data types. For text, it perfectly handles UTF-8 characters including Chinese; for images, it supports converting local images to Data URL format (with optional prefix), or decoding Base64 (supports multiple formats) back into a preview. This is a fully local tool, ideal for frontend development and debugging.
Features
- 📝 Text Encoding/Decoding: Support Base64 conversion for Chinese and special characters
- 🖼️ Image Encoding/Decoding: Convert between images and Base64
- 🎛️ Prefix Option: Choose whether to include Data URI prefix
- 👁️ Real-time Preview: Instantly view conversion results
- 📋 One-click Copy: Quickly copy encoded results
- 🔒 Privacy Protection: Local processing, no data upload
- ⚡ Fast Conversion: Millisecond-level response speed