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Base64 online encoder & decoder

Encode text to Base64 or decode Base64 back to text.

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Base64 Encode/Decode

How to use

  1. Paste text or Base64.
  2. Choose Encode or Decode.
  3. Copy the result.

Best practices

  • Preview the output before downloading or sharing it.
  • For best performance, try with smaller inputs first.
  • Avoid pasting sensitive data on shared devices.

Privacy

Some tools run in your browser. Some may require server processing depending on the feature.

Examples
Encode
Input
hello
Output
aGVsbG8=
Decode
Input
aGVsbG8=
Output
hello

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