Base64 Smart Converter
All-in-one Base64 tool: Supports text encoding/decoding (UTF-8) and Image to Base64 Data URI conversion. Fully client-side processing, privacy compliant.
Base64 Converter Instructions
📝 Text Mode
In the 'Text Conversion' tab, you can encode any text to Base64 format or decode Base64 back to original text.
- Encode: Convert plain text (e.g.
Hello) to Base64 (SGVsbG8=). - Decode: Convert Base64 back to plain text.
- UTF-8 Support: Full support for Chinese, Emojis, and special characters without encoding errors.
🖼️ Image Mode
Frontend Developer's Best Friend! Supports bidirectional conversion:
- Image to Base64: Drag & drop image to generate Data URI for direct HTML/CSS embedding.
- Base64 to Image: Paste Data URI string (prefix optional) to preview and download.
- Offline Conversion: All image processing is done client-side, protecting your image privacy.
Privacy & Security Statement
Your data security is our top priority. This tool uses Client-side Computing technology, meaning all processing happens instantly on your device (phone or computer).
This means: No content you enter is ever uploaded to the internet or our servers. Whether it's confidential documents, private diaries, or code, you can safely paste and process it here.