Tabello is a research tool that makes it easy to extract table data from PDFs to Excel. It is optimized for PDFs where tables are found on only a few pages (e.g. annual reports, research reports, academic papers) of a document. With Tabello you simply drag a selection box around the table you want to convert and it instantly becomes ready to paste into Excel.

As Tabello comes as a Chrome extension you don't need to download/upload files but continue to work in your browser, making it always available.

LitBlitz is free beta Chrome extension that aims to improve how students and researchers manage their notes for literature reviews, assignment research and more by simplifying pdf management, allowing capture and annotation of document snippets

LitBlitz v1.0 is currently available as a Google Chrome extension.

LitBlitz, while still available on the Google Chrome store (https://chrome.google.com/webstore/detail/litblitz-speed-up-your-li/ohmfdhillclkchlgoifgokmdjhonmgao?authuser=4&hl=en) no longer appears to be under development, and the company url redirects to a Japanese language web page.