100+ Best Free SEO Tools in 2026: actually free options

Search Engine Watch revealed its first main free search engine optimisation instruments roundup in 2013. We returned to the topic in 2016 with an inventory constructed from suggestions equipped by SEW readers and skilled search professionals.

A decade later, the issue is not discovering search engine optimisation instruments. It’s figuring out which of them are nonetheless helpful, which of them are genuinely free and which of them are merely seven-day trials carrying a free label.

So we’ve rebuilt the record from the bottom up.

The shortlist beneath accommodates the free instruments we’d begin with at the moment. The whole listing is organised by activity, so you’ll be able to bounce on to key phrase analysis, technical search engine optimisation, hyperlinks, native search, content material, analytics or AI-search visibility.

Free trials are not counted as free instruments.

Google describes Search Console as its device for understanding how an internet site is crawled, listed and performing in Google Search. Bing equally offers free webmaster stories, assets and diagnostics. Screaming Frog’s free version presently crawls as much as 500 URLs, whereas Ahrefs Webmaster Instruments offers audits and backlink info for verified websites.

Google Trends measures relative search curiosity quite than absolute quantity. Keyword Planner is accessed by Google Adverts and should require completion of account and billing setup. Microsoft states that Readability is free endlessly and has no site visitors restrict.

What we imply by “free”

• Free means the listed perform can be utilized with out buying a plan.
• Free tier means the device offers an ongoing allowance, however limits searches, initiatives, exports, URLs or options.
• Open supply means the software program might be downloaded or self-hosted with no licence payment, though internet hosting and implementation should price cash.
• Free trial means entry expires. Trials aren’t counted among the many 130 instruments.

A device doesn’t develop into “free” merely as a result of an organization helps you to enter one URL earlier than asking for a bank card.

The free search engine optimisation stack we’d begin with

For a standard web site, start with:

1. Google Search Console
2. Bing Webmaster Tools
3. Google Analytics 4
4. Microsoft Clarity
5. Screaming Frog
6. Ahrefs Webmaster Tools
7. PageSpeed Insights
8. Google Trends
9. Google Keyword Planner
10. Google Rich Results Test

That stack covers search efficiency, indexing, crawling, backlinks, key phrase demand, velocity, structured information, analytics and consumer behaviour with out requiring a month-to-month search engine optimisation software program subscription.

A neighborhood enterprise ought to add Google Business Profile, Bing Places for Business and Apple Business Connect.

A writer or content material group ought to add Keyword Tool, AlsoAsked, Google People Also Ask and an acceptable WordPress search engine optimisation plugin.

A technical search engine optimisation ought to add Chrome DevTools, Lighthouse, HTTPStatus.io, View Rendered Source and the related hreflang or schema validators.

An AI-search programme ought to add Bing Webmaster Tools AI Performance, Ahrefs’ AI utilities and managed handbook checks in ChatGPT, Claude, Gemini and Perplexity.

Search efficiency, indexing and analytics

Search Console and Bing Webmaster Instruments ought to stay the 2 foundational merchandise as a result of they supply first-party info from the various search engines themselves. Third-party visibility and authority numbers stay estimates, nonetheless helpful they might be.

Key phrase analysis and search demand

Google Traits is finest used for relative comparisons, seasonality and course, not as a precise monthly-volume database. A number of business platforms additionally keep helpful ongoing free allowances, though their limits fluctuate considerably.

AnswerThePublic presently offers a small variety of free each day searches, whereas AlsoAsked and QuestionDB use recurring restricted allowances. These are helpful for infrequent analysis, however not substitutes for unrestricted bulk evaluation.

For a more in-depth have a look at Microsoft’s personal information, see our walkthrough of Bing Webmaster Tools Keyword Research.

Crawling, technical search engine optimisation and web page diagnostics

Screaming Frog stays the apparent start line for smaller crawls as a result of its free version helps as much as 500 URLs. The paid licence provides unrestricted crawling and superior configuration quite than turning an in any other case ineffective demo right into a product.

For hyperlinks between your personal pages, see our comparability of the best internal linking tools.

Structured information, sitemaps and worldwide search engine optimisation

Google recommends the Wealthy Outcomes Take a look at for figuring out which Google search enhancements a web page could also be eligible for, whereas the Schema.org validator is meant for common schema validation. They carry out associated however totally different jobs.

Content material, on-page search engine optimisation and WordPress

These instruments can assist implement or examine content material, however they can not decide whether or not a web page is correct, unique or worthy of rating. A inexperienced mild inside a WordPress plugin will not be an editorial high quality certificates.

Backlinks, rank checking and native search engine optimisation

Search Console and Bing Webmaster Instruments reveal helpful first-party hyperlink info, however neither is designed as an entire competitive-link database. Ahrefs, Moz and Semrush fill a part of that hole with restricted public or account-based stories. Ahrefs’ free-tool assortment presently contains each backlink and broken-link checkers.

Picture, video and AI search

Ahrefs presently contains AI visibility, AI Mode and AI Overview utilities inside its public free-tool assortment. search engine optimisation Assessment Instruments additionally provides AI-brand and query-fan-out utilities.

Bing Webmaster Instruments’ AI Efficiency reporting deserves explicit consideration as a result of it connects AI visibility to a verified web site quite than merely producing a public rating. Learn our Bing Webmaster Tools AI Performance review for a more in-depth have a look at the report.

ChatGPT, Claude, Gemini and Perplexity are included as assistants, not as authoritative search engine optimisation databases. Their outputs can assist with transformations, formulation, regex, summaries and exploratory analysis. Their solutions shouldn’t be handled as key phrase volumes, definitive rankings or proof {that a} model is constantly seen.

When free allowances cease being sufficient, evaluate our hands-on SE Ranking review, Serpstat review, Surfer SEO review and information to DataForSEO alternatives.

How we keep this listing

The principle suggestions are chosen in accordance with sensible usefulness, not affiliate payout.

For the bigger listing, SEW evaluations public availability, the acknowledged free-access mannequin and the particular activity every device performs. A trial is rarely labelled as a free plan.

Instrument limits change often. We subsequently recheck the listing quarterly and file significant additions, removals and entry modifications beneath.

Know a helpful free search engine optimisation device we’ve missed? Submit it for editorial overview. Inclusion will not be assured and can’t be bought.