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KCC (a.k.a. Kindle Comic Converter) is a comic and manga converter for ebook readers.

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KCC

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Kindle Comic Converter is a Python app to convert comic/manga files or folders to EPUB, Panel View MOBI or E-Ink optimized CBZ. It was initially developed for Kindle but since version 4.6 it outputs valid EPUB 3.0 so despite its name, KCC is actually a comic/manga to EPUB converter that every e-reader owner can happily use. It can also optionally optimize images by applying a number of transformations.

A word of warning

KCC is not Amazon's Kindle Comic Creator nor is in any way endorsed by Amazon. Amazon's tool is for comic publishers and involves a lot of manual effort, while KCC is for comic/manga readers. KC2 in no way is a replacement for KCC so you can be quite confident we are going to carry on developing our little monster ;-)

Issues / new features / donations

If you have general questions about usage, feedback etc. please post it here. If you have some technical problems using KCC please file an issue here. If you can fix an open issue, fork & make a pull request.

If you find KCC valuable you can consider donating to the authors:

  • Ciro Mattia Gonano:
    • Donate PayPal
    • Donate Flattr
  • Paweł Jastrzębski:
    • Donate PayPal
    • Donate Bitcoin
  • Alex Xu
    • Donate PayPal

DOWNLOADS

Click on Assets of the latest release.

You probably want either

  • KCC_*.*.*.exe (Windows)
  • kcc_macos_arm_*.*.*.dmg (recent Mac with Apple Silicon M1 chip or later, macOS 14 Sonoma or later)
  • kcc_macos_i386_*.*.*.dmg (older Mac with Intel chip, macOS 12 Monterey or later)

The c2e and c2p versions are command line tools for power users.

On Windows 11, you may need to run in compatibility mode for an older Windows version.

On Mac, right click open to get past the security warning.

For flatpak, Docker, and AppImage versions, refer to the wiki: https://github.com/ciromattia/kcc/wiki/Installation

FAQ

PREREQUISITES

You'll need to install various tools to access important but optional features. Close and re-open KCC to get KCC to detect them.

KindleGen

Windows / macOS KindleGen

Install Kindle Previewer and kindlegen will be autodetected from it.

If you have issues detecting it, or use another OS, refer to the wiki: https://github.com/ciromattia/kcc/wiki/Installation#kindlegen

7-Zip

This is no longer required as of KCC 6.1.

If you still need it, refer to the wiki: https://github.com/ciromattia/kcc/wiki/Installation#7-zip

INPUT FORMATS

KCC can understand and convert, at the moment, the following input types:

  • Folders containing: PNG, JPG, GIF or WebP files
  • CBZ, ZIP (With 7z executable)
  • CBR, RAR (With 7z executable)
  • CB7, 7Z (With 7z executable)
  • PDF (Only extracting JPG images)

USAGE

Should be pretty self-explanatory. All options have detailed information in tooltips. After completed conversion, you should find ready file alongside the original input file (same directory).

Please check our wiki for more details.

CLI version of KCC is intended for power users. It allows using options that might not be compatible and decrease the quality of output. CLI version has reduced dependencies, on Debian based distributions this commands should install all needed dependencies:

sudo apt-get install python3 p7zip-full python3-pil python3-psutil python3-slugify

Profiles:

        'K1': ("Kindle 1", (600, 670), Palette4, 1.8),
        'K11': ("Kindle 11", (1072, 1448), Palette16, 1.8),
        'K2': ("Kindle 2", (600, 670), Palette15, 1.8),
        'K34': ("Kindle Keyboard/Touch", (600, 800), Palette16, 1.8),
        'K578': ("Kindle", (600, 800), Palette16, 1.8),
        'KDX': ("Kindle DX/DXG", (824, 1000), Palette16, 1.8),
        'KPW': ("Kindle Paperwhite 1/2", (758, 1024), Palette16, 1.8),
        'KV': ("Kindle Paperwhite 3/4/Voyage/Oasis", (1072, 1448), Palette16, 1.8),
        'KPW5': ("Kindle Paperwhite 5/Signature Edition", (1236, 1648), Palette16, 1.8),
        'KO': ("Kindle Oasis 2/3", (1264, 1680), Palette16, 1.8),
        'KS': ("Kindle Scribe", (1860, 2480), Palette16, 1.8),
        'KoMT': ("Kobo Mini/Touch", (600, 800), Palette16, 1.8),
        'KoG': ("Kobo Glo", (768, 1024), Palette16, 1.8),
        'KoGHD': ("Kobo Glo HD", (1072, 1448), Palette16, 1.8),
        'KoA': ("Kobo Aura", (758, 1024), Palette16, 1.8),
        'KoAHD': ("Kobo Aura HD", (1080, 1440), Palette16, 1.8),
        'KoAH2O': ("Kobo Aura H2O", (1080, 1430), Palette16, 1.8),
        'KoAO': ("Kobo Aura ONE", (1404, 1872), Palette16, 1.8),
        'KoN': ("Kobo Nia", (758, 1024), Palette16, 1.8),
        'KoC': ("Kobo Clara HD/Kobo Clara 2E", (1072, 1448), Palette16, 1.8),
        'KoCC': ("Kobo Clara Colour", (1072, 1448), Palette16, 1.8),
        'KoL': ("Kobo Libra H2O/Kobo Libra 2", (1264, 1680), Palette16, 1.8),
        'KoLC': ("Kobo Libra Colour", (1264, 1680), Palette16, 1.8),
        'KoF': ("Kobo Forma", (1440, 1920), Palette16, 1.8),
        'KoS': ("Kobo Sage", (1440, 1920), Palette16, 1.8),
        'KoE': ("Kobo Elipsa", (1404, 1872), Palette16, 1.8),
        'OTHER': ("Other", (0, 0), Palette16, 1.8),

Standalone kcc-c2e.py usage:

usage: kcc-c2e [options] [input]

MANDATORY:
  input                 Full path to comic folder or file(s) to be processed.

MAIN:
  -p PROFILE, --profile PROFILE
                        Device profile (Available options: K1, K2, K34, K578, KDX, KPW, KPW5, KV, KO, K11, KS, KoMT, KoG, KoGHD, KoA, KoAHD, KoAH2O, KoAO, KoN, KoC, KoL, KoF, KoS, KoE) [Default=KV]
  -m, --manga-style     Manga style (right-to-left reading and splitting)
  -q, --hq              Try to increase the quality of magnification
  -2, --two-panel       Display two not four panels in Panel View mode
  -w, --webtoon         Webtoon processing mode
  --ts TARGETSIZE, --targetsize TARGETSIZE
                        the maximal size of output file in MB. [Default=100MB for webtoon and 400MB for others]

PROCESSING:
  -n, --noprocessing    Do not modify image and ignore any profil or processing option
  -u, --upscale         Resize images smaller than device's resolution
  -s, --stretch         Stretch images to device's resolution
  -r SPLITTER, --splitter SPLITTER
                        Double page parsing mode. 0: Split 1: Rotate 2: Both [Default=0]
  -g GAMMA, --gamma GAMMA
                        Apply gamma correction to linearize the image [Default=Auto]
  -c CROPPING, --cropping CROPPING
                        Set cropping mode. 0: Disabled 1: Margins 2: Margins + page numbers [Default=2]
  --cp CROPPINGP, --croppingpower CROPPINGP
                        Set cropping power [Default=1.0]
  --cm CROPPINGM, --croppingminimum CROPPINGM
                        Set cropping minimum area ratio [Default=0.0]
  --blackborders        Disable autodetection and force black borders
  --whiteborders        Disable autodetection and force white borders
  --forcecolor          Don't convert images to grayscale
  --forcepng            Create PNG files instead JPEG
  --mozjpeg             Create JPEG files using mozJpeg
  --maximizestrips      Turn 1x4 strips to 2x2 strips
  -d, --delete          Delete source file(s) or a directory. It's not recoverable.

OUTPUT SETTINGS:
  -o OUTPUT, --output OUTPUT
                        Output generated file to specified directory or file
  -t TITLE, --title TITLE
                        Comic title [Default=filename or directory name]
  -f FORMAT, --format FORMAT
                        Output format (Available options: Auto, MOBI, EPUB, CBZ, KFX, MOBI+EPUB) [Default=Auto]
  -b BATCHSPLIT, --batchsplit BATCHSPLIT
                        Split output into multiple files. 0: Don't split 1: Automatic mode 2: Consider every subdirectory as separate volume [Default=0]

CUSTOM PROFILE:
  --customwidth CUSTOMWIDTH
                        Replace screen width provided by device profile
  --customheight CUSTOMHEIGHT
                        Replace screen height provided by device profile

OTHER:
  -h, --help            Show this help message and exit

Standalone kcc-c2p.py usage:

usage: kcc-c2p [options] [input]

MANDATORY:
  input                 Full path to comic folder(s) to be processed. Separate multiple inputs with spaces.

MAIN:
  -y HEIGHT, --height HEIGHT
                        Height of the target device screen
  -i, --in-place        Overwrite source directory
  -m, --merge           Combine every directory into a single image before splitting

OTHER:
  -d, --debug           Create debug file for every split image
  -h, --help            Show this help message and exit

INSTALL FROM SOURCE

This section is for developers who want to contribute to KCC or power users who want to run the latest code without waiting for an official release.

Easiest to use GitHub Desktop to clone the KCC repo. From GitHub Desktop, click on Repository in the toolbar, then Command Prompt (Windows)/Terminal (Mac) to open a window in the KCC repo.

Depending on your system Python may be called either python or python3. We use virtual environments (venv) to manage dependencies.

If you want to edit the code, a good code editor is VS Code.

If you want to edit the .ui files, use Qt Creator, included in Qt for desktop development. Then use the gen_ui_files scripts to autogenerate the python UI.

Windows install from source

One time setup and running for the first time:

python -m venv venv
venv\Scripts\activate.bat
pip install -r requirements.txt
python kcc.py

Every time you close Command Prompt, you will need to re-activate the virtual environment and re-run:

venv\Scripts\activate.bat
python kcc.py

macOS install from source

One time setup and running for the first time:

python3 -m venv venv
source venv/bin/activate
pip install -r requirements.txt
python kcc.py

Every time you close Terminal, you will need to reactivate the virtual environment and re-run:

source venv/bin/activate
python kcc.py

CREDITS

KCC is made by

This script born as a cross-platform alternative to KindleComicParser by Dc5e (published here).

The app relies and includes the following scripts:

SAMPLE FILES CREATED BY KCC

PRIVACY

KCC is initiating internet connections in two cases:

  • During startup - Version check.
  • When error occurs - Automatic reporting on Windows and macOS.

KNOWN ISSUES

Please check wiki page.

COPYRIGHT

Copyright (c) 2012-2023 Ciro Mattia Gonano, Paweł Jastrzębski and Darodi. KCC is released under ISC LICENSE; see LICENSE.txt for further details.