Google Chrome

  1. FakeNewsDebunker : Fake news debunker by InVID & WeVerify.
  2. Tineye : Reverse image search engine.
  3. Wayback machine : Official Internet archive Wayback machine browser.
  4. Sputnik : Quickly and easily search for IPs, Domains, File Hashes, and URLs.
  5. Shodan : Shodan collects information about IP, DNS, FTP, DNS, SSH or some unusual service of any website.
  6. Builtwith : BuiltWith Technology Profiler shows what a website is built with.
  7. Hunter : Find email addresses from anywhere on the web.
  8. Exif Viewer : EXIF data of any photo/image.
  9. Mitaka : searching for IP, domain, URL, hash, etc. via the context menu.
  10. IP Address & Domain Information : detailed information about every IP Address, Domain Name and Provider.
  11. Instant Data Scraper : instant data scraper extracts data from web pages and exports it as Excel or CSV files.
  12. Google Translate : official Google translation extension. Translate everything on the web.
  13. Simplescraper : Scrape website data and table data in seconds.

Firefox

  1. Facebook Instagram OSINT : get Facebook/Instagram IDs, phone numbers, emails.
  2. SingleFile : save an entire web page—including images and styling—as a single HTML file.
  3. Clear Browsing Data : delete browsing data directly from the browser toolbar.
  4. Search by Image : a powerful reverse image search tool.
  5. Wayback Machine : go back in time to see how a website has changed through the history of the Web.
  6. TinEye Reverse Image Search : reverse image search engine that allows you to search by image.