Keyword Planner helps you research keywords for your Search campaigns. You can use this free tool to discover new keywords related to your business.
Free Amazon Keyword Tool
Batch query Google keyword search volume, the feature is: batch query, free
The opponent’s ppc budget and seo traffic value
Query the search and bidding situation of keywords on Google
Find long tail keywords with low SEO difficulty
Query the real search results of Google keywords in various countries and regions, click to view