Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 strings instantly. Supports Unicode characters and never sends data to a server.
Success
Ready to encode or decode
Input1 lines · 88 chars
Output1 lines · 120 chars
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What this tool does
Converts text to Base64 encoding and decodes Base64 strings back to readable text. Fully supports Unicode characters including emojis and special symbols.
How to use it
Enter text in the input field and click Encode to convert to Base64. To decode, paste a Base64 string and click Decode. Use Swap to quickly reverse the conversion.
Privacy note
Your data never leaves your browser. All encoding and decoding happens locally on your device. We don't store, log, or transmit your data.