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Encoding & Decoding

Hex to Base64 Converter

Convert raw hexadecimal byte strings into Base64 encoding and vice versa.

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How to Use Hex to Base64 Converter

  1. Enter or paste your hexadecimal string or Base64 payload.
  2. Click the convert button to run the conversion.
  3. Copy the result with 1 click.

Frequently Asked Questions

What format should the hexadecimal input be in?

Any even-length hexadecimal string (e.g. 48656c6c6f) with or without spaces and prefixes.

Is the conversion bidirectional?

Yes! You can convert Hex to Base64 and Base64 to Hex with zero data loss.

Sources & References

Primary references: RFC 4648: Base-N Encodings; MDN: Number systems and numeric conversion.

Review policy: references and behavior notes are checked whenever the tool implementation changes.