Zotero Plugins Atlas
Plugins / Reading & PDFs

Zotero PDF Noir

by Zhanyuanium · github.com/Zhanyuanium/Zotero-PDF-Noir

Improves figures in the PDF reader's dark themes: white backgrounds become transparent and near-black ink turns light, while colours stay.

Zotero PDF Noir has Atlas grade A (recommended) because every code check came out low. It works with Zotero 10. Last checked 6 Nov 2026.

Reading & PDFsInterface & look
View source
Downloads a .xpi file (0.04 MB). In Zotero, open Tools → Plugins and install it from the file.
In useAn estimate of how many copies of Zotero have it: Zotero downloads each new version once for every copy that has the plugin, so we count the downloads of its most-downloaded recent release. Rounded. Plugins that update from outside GitHub count low.
60
DownloadsAll-time downloads of its release files from GitHub, counting every update. Installs from elsewhere aren't counted.
63
ReleasesVersions published on GitHub. Everyone who has the plugin downloads each one again, which adds up in Downloads.
3
StarsPeople who starred the repository on GitHub: a rough measure of interest.
4
ContributorsPeople who have committed code to the repository.
1
LicenceThe licence the code is published under, as GitHub reports it.
AGPL-3.0
A
Atlas gradeRecommended
because every code check came out low
Applies to v1.1.0, released 11 Oct 2026Code checked · not yet tested in a live Zotero
What we found in the codeSets the gradeThe worst finding in these three areas sets the grade.
Code transparencyReadable code; not yet checked against the published sourceThe developer uploaded the release file from the Zhanyuanium account. We haven't yet checked whether this file matches the public source code.UnknownWe couldn't check this yet.
Updates
Updates come from this project's GitHub repositoryThe update address offers this version
Where your data goesNo web requests foundLowLow concern: normal for plugins that do this job. Listed so you know.
No further detail for this area yet.
Powerful capabilitiesWorks with files on your computerLowLow concern: normal for plugins that do this job. Listed so you know.
Low concern (1)
Works with files on your computer
Before you installShown, not gradedFacts to help you decide. They don't change the grade.
Works withZotero 10 · not 9, 11 betaUpdates automatically
Zotero 9 ✗ doesn't workZotero 10 ✓ worksZotero 11 beta ✗ doesn't work
What you'll needNothing extra detectedDetected automatically from its code
No further detail for this area yet.
MaintenanceActive · last release 11 Oct 20261 contributor
No further detail for this area yet.
LanguagesDocumentation in EnglishInterface: English and Chinese
No further detail for this area yet.
We report what we found in the code. Open any area for the evidence.How we gradeReport a problem

What it does

Written by AI from the README

Improves figures in the PDF reader's dark themes: white backgrounds become transparent and near-black ink turns light, while colours stay. Has sliders for threshold, band width and sensitivity. Affects only raster images. Needs Zotero 10.

In dark mode, embedded figures with white backgrounds still glare. This fixes them.

What you'll need

Detected automatically

We haven't detected any setup requirements. That isn't the same as none: check the developer's README.

Where your data goes

We found: no web requests found.

Forks and copies

No forks listed.

The developer's response

The developer hasn't responded. Developers can reply here, and their reply sits next to our findings.I'm the developer

Ratings and reviews

What people who use it say. This is separate from the grade, which is what the code does, and never changes it.

No ratings yet.

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Install Zotero PDF Noir
ARecommended
  1. 1Download the plugin fileDownload v1.1.0.xpi · 0.04 MB
  2. 2In Zotero, open Tools › Plugins
  3. 3Click the gear, choose Install Plugin From File… and pick the file
Step-by-step guide with pictures