Top 6 Free Keyword Generator Tools

RankyFy is the best keyword research tool powered by AI that helps you find profitable keywords with ease. It helps with both long-tail and short-tail keywords based on the analysis of their popularity, competitiveness, relevance, etc. In contrast to the majority of other tools, RankyFy also provides niche-based suggestions, keeping the user engaged and resulting in superior SEO.

A straightforward, simple keyword generator that provides you with long-tail and related keyword suggestions on the basis of your seed keyword. Useful for uncovering niche keywords that you can incorporate into blog posts or product pages.

Displays the keyword suggestions of several search engines (such as Google, Bing, Amazon, YouTube, and Wikipedia) at the same time. Good for finding ideas on various platforms.

A truly free AI-powered keyword tool that displays search volumes and keyword difficulty — perfect for bloggers and content creators with no registration needed.

The tool offers keyword suggestions from updated traffic data for Google, YouTube, and Amazon — great to investigate trending terms more than just plain text keywords.

Although it is known for premium features, the free tier in KWFinder does allow you to get keyword ideas and basic metrics, which is pretty good for smaller sites or for your very first keyword research.