Base64 Encoder / Decoder

Convert plain UTF-8 text and binary files to Base64 strings, or decode Base64 data back to clear text.

Your inputs are calculated locally in your browser. No personal data is sent across the network.

Plain Text InputUpload file to Base64

Base64 Output

SGVsbG8gV29ybGQhIFdlbGNvbWUgdG8gSlNYSm91cm5leS4=

How to use this tool

1Step 1

Choose Encode or Decode mode.

2Step 2

Type or paste text, or upload a local file.

3Step 3

Copy the converted output with one click.

Does it support UTF-8 special characters?

Yes, multi-byte UTF-8 characters, symbols, and emoji are properly encoded.

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