Zotero Connector
ResearchFree
Save papers, citations and PDFs to your library.
4.02,500 reviews7M+
View Extension2 extensions
Best Research Chrome Extensions
Research extensions capture sources, highlight passages and build citations while you read.
All Research extensions
Glasp
ResearchFree
Highlight and annotate the web, then export your notes.
4.5980 reviews500K+
View ExtensionTop rated
Recently updated
Related categories
Research comparisons
Side-by-side pages for the pairs people compare most in this category.
Zotero Connector vs ScholarcyReference capture and citations against automatic paper summarising.Zotero Connector vs GlaspBoth are research extensions people shortlist together for research — see how ratings, install base, pricing and day-to-day use differ.All comparisonsEvery head-to-head comparison, grouped by category.
Shortlists and alternatives
Best Productivity Chrome ExtensionsTen productivity Chrome extensions worth installing, with live Chrome Web Store ratings and install counts, honest trade-offs and a permissions checklist.Best AI Chrome ExtensionsThe AI Chrome extensions worth a permission grant, grouped by the job they do: answering, summarising, writing and archiving. Live store ratings and honest limits.Best SEO Chrome ExtensionsSeven SEO Chrome extensions that answer a question faster than a dashboard: on-page audits, keyword overlays and competitor stacks, with accuracy caveats.Glasp alternativesClosest replacements for Glasp.Zotero Connector alternativesClosest replacements for Zotero Connector.
Frequently asked questions
What is the best research Chrome extension?
Glasp currently leads this category on rating and review volume, but the right choice depends on whether you need research features for personal or team use.
Are there free research extensions?
Yes — 2 of the 2 extensions in this category are free, and several more offer a usable free tier.
How are these extensions ranked?
By install base and rating, with editorial notes on trade-offs.