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Command-line utility to convert a CloneCD .img file to a .iso file

Project description


Command-line utility to convert a CloneCD .img file to a .iso file.

This is a fork of ccd2iso, a project by Danny Kurniawan and Kerry Harris. Besides being Python-based and easier to build on Windows, this fork adds a little more error handling and a progress bar.


You can grab appropriate binaries for your system on the releases page. These are self-contained and don't have any external dependencies. Either drop the executable somewhere in your PATH or manually navigate to it each time you want to use ccd2iso, I can't tell you what to do.

Or if you prefer using pip:

pip install ccd2iso

If you go the pip route you'll need Python 3.8+, because I like the walrus operator too much.


usage: ccd2iso [-f] [-q] [-v] [-?] img [iso]

Convert CloneCD .img files to ISO 9660 .iso files.

positional arguments:
  img             .img file to convert
  iso             filepath for the output .iso file

optional arguments:
  -f, --force     overwrite the .iso file if it already exists
  -q, --quiet     don't output conversion progress
  -v, --version   show program's version number and exit
  -?, -h, --help  show this help message and exit

Usage is pretty straightforward, just hand ccd2iso a .img file and a filepath to spit out a .iso file. If you're lazy you can hand ccd2iso just the .img file and it'll output to the same folder with the same filename, just with the extension changed.

Most of the time, you'll call it like this:

ccd2iso totally_legal_game_disc.img

If you don't want to see a progress bar for some reason, pass --quiet or -q.

ccd2iso won't overwrite any .iso file unless you tell it to with -f or --force. It uses a temporary file when reading the .img file, so even with -f your .iso won't get overwritten with an invalid file. In rare cases, such as when you have the iso file mounted in Windows, ccd2iso won't be able to overwrite the file. When this happens it'll tell you, and give you the location of the temp file containing your completely valid .iso data.

As a library

ccd2iso contains a convert() function that can be used outside of the command-line interface, if for whatever reason you'd prefer to run conversions from your own Python code:

def convert(src_file: BytesIO, dst_file: BytesIO, progress: bool = False, size: int = None) -> None:
    src_file -- CloneCD disc image bytestream (typically with a .img extension)
    dst_file -- destination bytestream to write to in ISO 9660 format
    progress -- whether to output a progress bar to stdout
    size -- size of src_file, used to calculate sectors remaining for progress

ccd2iso.clonecd also contains some C-style structures representing the CloneCD .img file format. This is completely based on Danny Kurniawan's research and I can't take any credit for it.

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