HexTxt Utility

Professional Encoding & Byte Analysis

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About HexTxt Utility

HexTxt Utility is a two-way converter between plain text and hexadecimal, with controls that matter for byte-level work: big- or little-endian byte order, several delimiter styles (space, comma-prefixed 0x, or backslash-escaped \x), and an optional UTF-8 byte order mark. It's built for people who need exact control over how bytes are formatted, not just a quick lookup.

How to use it

  1. Choose a mode: Hex to ASCII/UTF-8, or Text to Hex.
  2. Set endianness and delimiter style to match the format you need.
  3. Paste your input into the text area — conversion happens as you type.
  4. Click Transform for a manual re-run, or Copy to Clipboard to grab the result.

Who it's for

Developers working with binary protocols, embedded systems, or file formats where byte order and delimiter formatting matter, not just the raw conversion.

Frequently asked questions

What does Little Endian do here?

It swaps each pair of adjacent bytes, useful when matching how some systems store multi-byte values in memory.

Can I add a byte order mark?

Yes, the "Add UTF-8 BOM" option prepends the standard EF BB BF marker in Text to Hex mode.

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