HexCat(hc) - Hex Viewer & Dumper

HexCat(hc) is a lightweight and fast command-line tool to display binary files in hexadecimal format

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Features

• Display binary files in hexadecimal.
• Optional ASCII column (canonical mode).
• Verbose mode for debugging.
• Skip bytes from start of file.
• Limit displayed bytes.
• Group bytes for better readability.
• Output hex dump to a file.
• Optional colorful display.

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Installation

Compile the program using make:

git clone https://github.com/selimozturk13/hexcat.git 
cd hexcat
make && make install

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Usage

hc [options] <file>

Short	Long	Description
-h	--help	Show this help message and exit
-V	--version	Show version information
-v	--verbose	Enable verbose mode
-r	--row-size	Number of bytes per row (default: 16)
-C	--dis-canonical	Disable canonical (ASCII) mode
-c	--dis-colourful	Disable coloring
-s	--skip	Skip bytes from start of file
-l	--length	Limit display to specified number of bytes
	--only-hex	Display only hex, no ASCII column
-g	--group	Group bytes
-o	--output	Write hex dump to a file

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Examples

• Display file with default settings:

  hc test.bin

• Display only hex (no ASCII):

  hc test.bin --only-hex

• Skip first 32 bytes and show 64 bytes:

  hc test.bin -s 32 -l 64

• Group bytes by 4 and write output to a file:

  hc test.bin -g 4 -o dump.txt

• Enable verbose mode:

  hc test.bin -v

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Notes

• It works on Unix, Linux, macOS etc.
• Hex colors: blue = 0x00, red = 0xFF, yellow = printable ASCII, gray = non-printable ASCII.
• Binary files are read in binary mode, so it supports any file type.

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License

This project is licensed under the GNU General Public License v3.0 or later.
See the LICENSE file for the full text.