🔐
Base64 Encoder / Decoder Guide
Open Tool →Encode plain text to Base64 or decode Base64 back to readable text. Supports Unicode characters.
✦ Key Features
- ✓ Encode and Decode toggle
- ✓ Full Unicode support
- ✓ Instant real-time conversion
- ✓ Swap button for chained operations
- ✓ Clear error messages for invalid input
- ✓ One-click Copy
- ✓ All processing local
📋 How to Use
1
Select Mode
Click Encode or Decode.
2
Enter Input
Type or paste text.
3
View Output
Conversion happens instantly.
4
Copy Result
Click Copy.
5
Swap
Move output back to input.
❓ Frequently Asked Questions
💡 Tips
- • Use for embedding binary data in JSON/HTML
- • Swap verifies round-trip encoding
- • Base64 increases size by ~33%
- • Not encryption — anyone can decode
- • Useful for API tokens and data URIs