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Dev Utility

Base64 Encoder / Decoder

Encode any text (including emoji, multi-byte characters) to Base64 and decode it back.

Tool

LIVE

How to use

  1. Enter or paste your input in the box on the left.
  2. The result appears instantly on the right - click the button if there is one, otherwise it updates automatically as you type.
  3. Copy the result or keep editing. Everything runs locally in your browser - nothing is uploaded.

What is this tool?

Encode any text (including emoji, multi-byte characters) to Base64 and decode it back.