Hex2bin

Simple, console-based utility designed to convert HEX (hexadecimal) files to BIN (binary) fast and with listtle effort from the user.

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Hex2Bin is a small, command-line utility that converts Intel HEX files (.hex) to binary files (.bin), commonly used in embedded systems programming and firmware development.


πŸ”Ή What Is Hex2Bin?

  • πŸ“ Converts .hex (Intel Hex) files β†’ .bin (raw binary) files.
  • βš™οΈ Useful when working with:
    • Microcontrollers (AVR, PIC, ARM, etc.)
    • Flashing tools that require .bin format
    • Embedded firmware development workflows
  • βœ… Licensed under GPL
  • πŸ–₯️ Runs on Windows, and can be built for Linux (source code available)

πŸ”» Download Hex2Bin

πŸ”— Official page: http://sourceforge.net/projects/hex2bin/

Steps:

  1. Go to the Files section:
    https://sourceforge.net/projects/hex2bin/files/
  2. Download the latest version (usually a .zip file like hex2bin-2.5.zip).
  3. Extract it to a folder.

βœ… It’s portableβ€”no installation needed.


πŸ”Ή How to Use Hex2Bin

βš™οΈ Basic Command Syntax

Open a Command Prompt and run:

hex2bin yourfile.hex

This will produce:

yourfile.bin

in the same folder.

βž• Optional Parameters

You can use extra options:

hex2bin yourfile.hex -o output.bin -l 0x0000 -h 0x7FFF
OptionDescription
-oSpecify output filename
-lStart address (lower address)
-hEnd address (upper address)
-pPad unused areas with a byte (e.g. 0xFF)
-vVerbose output

πŸ”„ Example

hex2bin firmware.hex -o firmware.bin -p FF -v

This will:

  • Output as firmware.bin
  • Pad empty space with 0xFF
  • Show verbose messages

πŸ§ͺ Verifying Output

  • Use a hex editor (e.g., HxD, Bless, GHex) to inspect the binary file.
  • You can also compare sizes and addresses if using a flashing tool.

πŸ”„ Reverse Operation?

Hex2Bin is only for hex β†’ bin.
If you need bin β†’ hex, use tools like:

  • srec_cat from the SRecord project
  • objcopy from GNU binutils
  • Dedicated flashing tools that export .hex

πŸ”§ Troubleshooting

  • “No data in file” error β†’ Your hex file may be empty or malformed.
  • Binary file too large/small β†’ Set proper address limits with -l and -h.
  • Not recognized as command β†’ Make sure you’re in the directory or add it to PATH.

πŸ“¦ Alternative Tools

If you need more functionality, try:

  • srec_cat (supports Intel HEX, Motorola S-Record, binary, etc.)
  • objcopy (from GNU toolchain)
  • Bin2Hex/Hex2Bin GUI tools

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