Keywords Everywhere is a freemium chrome extension that helps you with Keyword Research.
It shows you monthly search volume, CPC & competition data on 10+ websites. It has multiple built in tools to find keywords from your seed keyword, and to show you keywords that any page or domain ranks for in the SERPs.
Google - Keywords Everywhere shows you the SEO Difficulty metrics, Trend chart, Related keywords, "people also search for", Trending keywords & long-tail keywords in widgets on the right hand side of Google. They see the estimated organic traffic and the top 5000 keywords for all pages & websites on Google. They also see the Moz link metrics for domains present in the organic search results.
YouTube - View the Search Insights widget, SERP Metrics, Video Insights, as well as the Tags widget.
Instagram - HashTag Generator
Pinterest - View the Search Insights widget, Trend Chart, Related Trends, Pin topics finder
Free users have access to all the "Keyword Finder" tools on other websites like Amazon, Bing, eBay, Etsy & DuckDuckGo.
To see monthly search volume, CPC, competition & trend data, users need to purchase credits. The 10+ websites that are supported are list on the homepage at https://keywordseverywhere.com. Paid users also see the historical search volume (from 2004) along with the trend chart.
For a complete change-log for this extension please visit https://keywordseverywhere.com/changelog.html