Dev Utility
Base64 Encoder / Decoder
Encode any text (including emoji, multi-byte characters) to Base64 and decode it back.
Tool
LIVEHow to use
- Enter or paste your input in the box on the left.
- The result appears instantly on the right - click the button if there is one, otherwise it updates automatically as you type.
- 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.