Base64 Encoder / Decoder
Encode or decode Base64 strings instantly. Supports Unicode text, handles URL-safe variants. 100% browser-based, no data leaves your device.
Base64 encoded output will appear here…
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Privacy First
All encoding and decoding runs entirely in your browser. No data is ever sent to a server.
Unicode Support
Handles emojis, multilingual text, and special characters using proper UTF-8 encoding.
Two-Way Conversion
Encode plain text to Base64 or decode Base64 back to text — use the "Use as Input" button to chain operations.
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