The Best Free SEO Tools (2026)
The best free SEO tools are Google Search Console and Analytics (your own data), Google Keyword Planner and Trends (keyword ideas), Bing Webmaster Tools, Ahrefs Webmaster Tools (free audit + backlinks for your site), and Screaming Frog's free tier (technical crawl). Together they cover the fundamentals at zero cost — enough to start ranking before you pay for anything. Here's what each does and when to upgrade.
The best free SEO tools, by job
| Tool | What it's for |
|---|---|
| Google Search Console | Your real queries, clicks, indexing & Core Web Vitals |
| Google Analytics | Traffic, behaviour and conversions |
| Google Keyword Planner | Keyword ideas & volume ranges (free with an Ads account) |
| Google Trends | Rising topics and seasonality |
| Bing Webmaster Tools | Bing indexing + a free keyword tool |
| Ahrefs Webmaster Tools | Free site audit & backlink data for your own site |
| Screaming Frog (free) | Technical crawl up to 500 URLs |
Start with Google Search Console
It's free, first-party, and irreplaceable: the exact queries you appear for, your impressions and clicks, indexing coverage, and Core Web Vitals straight from Google. Install it before anything else, and check it weekly.
Free keyword research
Google Keyword Planner gives volume ranges, Google Trends shows momentum, and Bing Webmaster Tools includes a surprisingly useful free keyword tool. For more on doing this with AI, see Can AI help with keyword research?
Free technical & backlink audits
Ahrefs Webmaster Tools gives you a free site audit and backlink profile for sites you own. Screaming Frog's free tier crawls up to 500 URLs to find broken links, redirects and duplicate titles. Between them you can catch most technical issues without paying.
Where free tools stop — and what to do
Free tools show you data, but rarely tell you what to fix first or hand you the fix. They also don't track the new AI-search layer. Rank Ledge has a free audit that prioritises your highest-impact issues, scores your AI-search (AEO) visibility, and generates ready-to-paste fixes — a useful next step once free tools have shown you the problems.
A free SEO starter stack
- Google Search Console + Analytics — your data.
- Keyword Planner / Trends / Bing — free keyword research.
- Ahrefs Webmaster Tools + Screaming Frog (free) — audits.
- Rank Ledge free audit — prioritised fixes + AI-search visibility.