The Best Free Keyword Research Tools for SEO in 2025 🔎
If you want to rank higher on Google, keyword research is essential. Finding the right keywords can increase traffic, engagement, and conversions. But what if you don’t want to spend money on premium tools? Don't worry! Here are the best free keyword research tools that will help you find the right keywords without spending a penny.
1. Google Keyword Planner
Best for: Beginners & advertisers
Google Keyword Planner is a free tool inside Google Ads. It shows:
✔ Search volume (how many times people search for a keyword)
✔ Competition level (low, medium, or high)
✔ Keyword suggestions
✅ How to use it?
- Go to Google Ads.
- Click on Tools & Settings > Keyword Planner.
- Enter a keyword and get related keyword ideas.
2. Ubersuggest
Best for: Finding long-tail keywords
Ubersuggest (by Neil Patel) gives:
✔ Keyword difficulty score
✔ SEO & paid search competition
✔ Top-ranking pages
✅ How to use it?
- Visit Ubersuggest.
- Enter a keyword or domain name.
- Check keyword volume, competition, and CPC (Cost Per Click).
3. AnswerThePublic
Best for: Question-based keywords
This tool finds what people ask on Google. It creates a visual keyword map with:
✔ "What," "Why," "How" questions
✔ Autocomplete keyword ideas
✔ Related search terms
✅ How to use it?
- Visit AnswerThePublic.
- Type your keyword (e.g., "SEO").
- Get hundreds of keyword ideas in seconds.
4. Keyword Surfer
Best for: Real-time keyword data while searching on Google
It's a Chrome extension that shows:
✔ Search volume in real-time
✔ Similar keyword ideas
✔ Estimated traffic for top-ranking pages
✅ How to use it?
- Install Keyword Surfer.
- Search for any keyword on Google.
- See keyword data directly in search results.
5. Google Trends
Best for: Finding trending keywords
Google Trends shows:
✔ Keyword popularity over time
✔ Regional interest (which countries search the most)
✔ Related topics & queries
✅ How to use it?
- Go to Google Trends.
- Enter a keyword (e.g., “AI tools”).
- Compare keyword trends & seasonal popularity.
6. SEO Minion
Best for: Finding related searches
This Chrome extension helps with:
✔ Google autocomplete keyword ideas
✔ "People Also Ask" keyword scraping
✔ On-page SEO analysis
✅ How to use it?
- Install SEO Minion.
- Search a keyword on Google.
- Get related keyword suggestions instantly.
7. Keyword Sheeter
Best for: Extracting thousands of autocomplete keywords
This tool pulls data from Google Autocomplete and gives:
✔ Hundreds of keyword ideas in seconds
✔ Export option (CSV format)
✅ How to use it?
- Go to Keyword Sheeter.
- Type a keyword and click Start Sheeting.
- Get a long list of keyword ideas.
Which Free Keyword Tool is Best for You?
| Tool | Best For |
|---|---|
| Google Keyword Planner | Search volume & competition |
| Ubersuggest | SEO & paid keyword difficulty |
| AnswerThePublic | Question-based keywords |
| Keyword Surfer | Real-time keyword data |
| Google Trends | Trending & seasonal keywords |
| SEO Minion | Google autocomplete scraping |
| Keyword Sheeter | Bulk keyword extraction |
Final Thoughts
These free keyword research tools can help you find profitable keywords, boost SEO, and increase website traffic. Try them out and see which one works best for your needs!
