Zotero Plugins Atlas
Plugins / Reading & PDFs

ZotCloud

by sorinhostiuc · github.com/sorinhostiuc/zotero-zotcloud

Synchronize Zotero metadata, attachments, notes, and PDF annotations with WebDAV or supported cloud providers.

Reading & PDFsImport & metadataFiles, sync & backup
View source
Downloads a .xpi file (0.07 MB). In Zotero, open Tools → Plugins and install it from the file.
StarsPeople who starred the repository on GitHub: a rough measure of interest.
0
DownloadsAll-time downloads of its release files from GitHub. Installs from elsewhere aren't counted.
4
ContributorsPeople who have committed code to the repository.
1
LicenceThe licence the code is published under, as GitHub reports it.
MIT
B
Atlas gradeUse with care
because it keeps its own tables in Zotero's database
Applies to v0.1.1, released 23 Aug 2026Code checked · tested installed in Zotero 9.0.6 on 27 Sep 2026
Doesn't work with the current Zotero (10)Works with Zotero 7, 8, 9.
What we found in the codeSets the gradeThe worst finding in these three areas sets the grade.
Code transparencyReadable code, uploaded by the project's automated GitHub buildThe release file was uploaded by the project's automated GitHub build. We haven't yet rebuilt it from the source to compare.LowLow concern: normal for plugins that do this job. Listed so you know.
Updates
Updates come from this project's GitHub repositoryThe update address is broken (nothing is there), so Zotero can't update it
Where your data goesOnly contacts services we could identify14 addresses in 3 groups.LowLow concern: normal for plugins that do this job. Listed so you know.
Scholarly services (1)
doi.orgnamed in its codeThe address is in its code, but we didn't trace a request to it. It may be a link or unused.
Apps you connect (12)
accounts.google.comnamed in its codeThe address is in its code, but we didn't trace a request to it. It may be a link or unused.api.dropboxapi.comapi.pcloud.comcontent.dropboxapi.comdocs.pcloud.comnamed in its codeThe address is in its code, but we didn't trace a request to it. It may be a link or unused.eapi.pcloud.comewebdav.pcloud.comnamed in its codeThe address is in its code, but we didn't trace a request to it. It may be a link or unused.my.pcloud.comnamed in its codeThe address is in its code, but we didn't trace a request to it. It may be a link or unused.oauth2.googleapis.comwebdav.pcloud.comnamed in its codeThe address is in its code, but we didn't trace a request to it. It may be a link or unused.www.dropbox.comnamed in its codeThe address is in its code, but we didn't trace a request to it. It may be a link or unused.www.googleapis.com
On your computer (1)
localhostnamed in its codeThe address is in its code, but we didn't trace a request to it. It may be a link or unused.
Where we found it
api.dropboxapi.comindex.js · line 4663
var API_BASE2 = "https://api.dropboxapi.com/2";
api.pcloud.comindex.js · line 4879
apiBase = "https://api.pcloud.com";
content.dropboxapi.comindex.js · line 4664
var CONTENT_BASE = "https://content.dropboxapi.com/2";
Powerful capabilitiesKeeps its own tables in Zotero's database, and 6 moreMediumMedium concern: worth reading before you install. One medium finding makes the grade B.
Keeps its own tables in Zotero's databasemediumMedium concern: worth reading before you install.Uses the clipboardlowLow concern.Stores API keys or passwordslowLow concern.Works with files on your computerlowLow concern.Uses Zotero's password managerlowLow concern.Runs its own server for programs on this computerlowLow concern.Lets programs on this computer connect through Zotero's built-in server
Where we found it
Keeps its own tables in Zotero's databaseindex.js · line 437

Tables: zotcloudChangeLog

await Zotero.DB.queryAsync(`
Before you installShown, not gradedFacts to help you decide. They don't change the grade.
Works withZotero 7, 8, 9 · not 10, 11 betaDoesn't work with the current Zotero (10)MediumMedium concern: worth reading before you install. One medium finding makes the grade B.
Zotero 7 ✓ worksZotero 8 ✓ worksZotero 9 ✓ worksZotero 10 ✗ doesn't workZotero 11 beta ✗ doesn't work
What you'll needAn API keyDetected automatically from its code
No further detail for this area yet.
MaintenanceActive · last release 23 Aug 20261 contributor
No further detail for this area yet.
LanguagesDocumentation in EnglishInterface: English and Romanian
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

Description coming soon. We haven't written a summary yet. The line above is the developer's own description; the developer's README is linked above.

What you'll need

Detected automatically
  • An API keyNeeds a key you get from the service (WebDAV server, Google Drive, Dropbox and pCloud). What needs it: Sync needs the user's own WebDAV password or a Google Drive, Dropbox or pCloud sign-in; no provider is set by default.
  • Zotero 7, 8, 9Not working with Zotero 10

Where your data goes

We found: only contacts services we could identify. 14 addresses in 3 groups.

Scholarly services (1)
doi.orgnamed in its code
Apps you connect (12)
accounts.google.comnamed in its codeapi.dropboxapi.comapi.pcloud.comcontent.dropboxapi.comdocs.pcloud.comnamed in its codeeapi.pcloud.comewebdav.pcloud.comnamed in its codemy.pcloud.comnamed in its codeoauth2.googleapis.comwebdav.pcloud.comnamed in its codewww.dropbox.comnamed in its codewww.googleapis.com
On your computer (1)
localhostnamed in its code
Evidence · file and line
api.dropboxapi.comindex.js · line 4663
var API_BASE2 = "https://api.dropboxapi.com/2";
api.pcloud.comindex.js · line 4879
apiBase = "https://api.pcloud.com";
content.dropboxapi.comindex.js · line 4664
var CONTENT_BASE = "https://content.dropboxapi.com/2";

Forks and alternatives

No forks listed.

Plugins for the same job
  • NoteroReading & PDFs · Files, sync & backupA+Recommended, tested in Zotero
  • ZotMoovOrganising & tags · Files, sync & backupA+Recommended, tested in Zotero
  • Google Scholar Citation CountCiting & writing · Import & metadataA+Recommended, tested in Zotero
  • Bionic for ZoteroReading & PDFsA+Recommended, tested in Zotero

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
Install ZotCloud
BUse with care
Before you install: It keeps its own tables in Zotero's database.Read the finding
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