Comics / Manga Downloader by Saptarshi Mondal

Download image-based comic/manga chapters you’re viewing in Firefox as CBZ, PDF, or ZIP — with auto-detect and page selection.

5 (1 review)

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About this extension

Comics / Manga Downloader Extension lets you save image-based chapters you’re viewing in Firefox as CBZ (default), PDF, or ZIP — directly from the current tab.

✅ Features

Export chapters as CBZ / PDF / ZIP

Auto-detect pages (recommended) to preselect likely chapter pages

Rescan after scrolling (useful for lazy-loaded readers)

Manual selection + filters by image dimensions and image URL

Files are packaged in correct page order (e.g., 001.jpg, 002.png)

🔒 Privacy

Everything is processed locally in your browser to generate the output file.
No images or browsing data are uploaded to any server.

⚠️ Limitations

Some sites may not work (or may produce blank/missing pages) if they:

use DRM/encrypted viewers

require restricted login access

block cross-origin image fetching or use protected blob: URLs

🧩 Source code & Support

Source code: https://github.com/saptarshimondal/Comics-Manga-Downloader-Extension

Report bugs / request features: https://github.com/saptarshimondal/Comics-Manga-Downloader-Extension/issues

Please use responsibly and respect website terms and copyright.

Developer comments

Note on permissions: This extension only reads images/canvases from the active tab when you click the extension, to detect pages and build the output file locally. No data is sent to any server.
Support: https://github.com/saptarshimondal/Comics-Manga-Downloader-Extension

Rated 5 by 1 reviewer

Comics / Manga Downloader by Saptarshi Mondal

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