You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.

pdf4cat
0.4.1

This version was deleted from PyPI around 2025-03-31. Installing fails with:
$ pip3 install pdf4cat==0.4.1 ERROR: Could not find a version that satisfies the requirement pdf4cat==0.4.1
View other deleted versions of pdf4cat

Install through StableBuild

You can install this package from StableBuild's PyPI snapshots from before the version was deleted:
pip3 install \ -i https://YOUR_API_KEY.pypimirror.stablebuild.com/2025-03-30/ \ pdf4cat==0.4.1
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Or, download files manually

And install manually via pip:
PDF4Cat-0.4.1-py3-none-any.whl (18.0KB)
PDF4Cat-0.4.1.tar.gz (12.7KB)