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developer utility · runs locally

Base64 Encoder/Decoder

Encode text as Base64 or decode Base64 text locally in your browser.

  • ✓ No upload required
  • ✓ Instant results
  • ✓ Your data stays here

How it works

Paste text, choose encode or decode, and run the tool. Unicode text is handled locally in your browser.

Example

For example, encoding “Hello” produces “SGVsbG8=”.

Results

Results will appear here.