Developer · Free browser tool

Base64 Encoder / Decoder

Encode Unicode text as Base64 and decode it.

● Runs locally in your browser. No file or text uploads.

Encode non-English text

“Привет” encodes as 0J/RgNC40LLQtdGC. Decoding that Base64 value restores the original UTF-8 text.

When to use it

Use this when a text field explicitly expects Base64. It makes data longer and does not hide secrets.

About this tool

Encode Unicode text as Base64 and decode it. Use it without creating an account. Results are available immediately, and inputs are not saved between visits.

Does this send my input to a server?

Inputs are processed locally. Optional Analytics sends page statistics only after consent; tool inputs and files are excluded.

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