Best Research Apps | 5 Chrome Extension for Literature Review

Five free Chrome extensions promise to streamline literature reviews by turning scattered papers, citations, and notes into searchable, customizable research collections.

The first pick is CopyLlot, positioned as a widely used tool for gathering literature. When a user opens a paper with CopyLlot, a new browser view appears that lets the extension analyze the document and surface targeted prompts—such as conclusions, limitations, abstract explanations, related work, introductions, and practical implementations. Instead of manually hunting through PDFs, users can click these suggested areas to pull out cumulative information. CopyLlot also supports full-text access, and it can work across different content types (web pages, documents, and research papers), aiming to convert reading into structured extraction.

Next comes Science Research Assistant, which focuses on making search faster and more controlled. After installing it, users can run searches directly from the Chrome toolbar. The extension supports term- and topic-based querying with configurable settings, including selecting specific platforms or journals by discipline—medicine, chemistry, agriculture, physics, math, technology, and computer science. Once journals are selected, a single command searches across those chosen outlets, opening results in separate browser views so users can quickly gather what has already been published on a topic.

A third tool, described as useful for building a personal research workflow, is a “library” style extension that supports saving searches and results. After enabling it from the toolbar, users can star searches, set preferences such as how many papers to display, where results should open, and how bibliography output should be formatted. Saved searches then populate automatically based on the user’s settings, with one-click access to related citations, site links, and “several versions” details.

For quick paper intelligence, the Lazy Scholar extension adds an at-a-glance layer of metadata. When a research paper opens, it surfaces the title, citation counts, full-text availability, related citations, journal ranking information, and comment volume. It also lets users adjust search terms by keyword, author, and year, and choose preferred full-text formats—PDF, Google forms, or Word—so users can tailor retrieval to their workflow.

Finally, Diigo Web Collector is framed as a flexible capture-and-annotate tool. Users can save an entire paper as a bookmark, download full text, or select a paragraph and apply actions such as changing highlight color, adding inputs, and writing sticky-note remarks (e.g., conclusions or personal observations). Notes can be copied, deleted, and shared with colleagues or supervisors, and the extension provides reference context for the captured information. Across all five tools, the common promise is consistency: smarter collection, faster retrieval, and easier collaboration for literature review and research organization—without paying for the extensions or limiting usage.