FreeDev Tools

Base64 ↔ Hex Converter

Convert between Base64 and hexadecimal representations of binary data — no text round trip.

Runs locally in your browser. Your input is not uploaded.

How to Use

  1. 1

    Paste Base64 or hex

    Choose the conversion direction.

  2. 2

    Convert

    The same bytes are re-encoded in the other format.

  3. 3

    Copy the result

    Optionally uppercase the hex output.

Frequently Asked Questions

The same binary data between two text representations — Base64 (compact, 4 chars per 3 bytes) and hexadecimal (readable, 2 chars per byte). No text decoding happens in between.

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