The 8 Best Free Semrush Alternatives in 2026

Semrush is one of the most powerful SEO platforms around — and one of the most expensive. If you're a solo founder, blogger or small business, you may not need (or be able to justify) its price. The good news: in 2026 there are genuinely useful free and freemium Semrush alternatives that cover keyword research, rank tracking, site audits and backlink analysis. None replaces the full Semrush suite, but combine a few and you can do real SEO for $0. Here are the eight best.

What you give up (and don't) with free tools

Free SEO tools usually limit the number of searches, keywords, tracked terms or reports per day, and their databases may be smaller than Semrush's. But for most small sites, the essentials — finding keywords, checking competitors, auditing your site, monitoring rankings — are well covered by free tiers. The trick is to combine tools: one for keyword ideas, one for your own site's data, one for competitor peeks. Below, ranked by how useful they are on a free plan.

1. Google Search Console

Free, official, and essential — Search Console shows the exact queries you rank for, your clicks, impressions, average position and any technical issues, straight from Google. No SEO tool, paid or free, gives you better data about your own site. Best for: understanding and improving the keywords you already rank for. Visit Google Search Console →

2. Ubersuggest

Neil Patel's tool offers keyword ideas, search volume, difficulty, content ideas and basic competitor and backlink data, with a limited number of free searches per day. Best for: quick keyword research and content ideas on a budget. Visit Ubersuggest →

3. Ahrefs Webmaster Tools

A free version of Ahrefs for sites you own — audit your site, see your backlinks, and check the keywords you rank for using Ahrefs' excellent data. Best for: free backlink and site-audit data for your own site. Visit Ahrefs Webmaster Tools →

4. Mangools

KWFinder and the Mangools suite are known for a friendly interface and great keyword difficulty data; a free trial and affordable plans make it a gentle, low-cost Semrush alternative. Best for: beginner-friendly keyword research. Visit Mangools →

5. Moz

Moz offers free tools including a keyword explorer (with limited free queries), the MozBar extension, and domain authority metrics that became an industry shorthand. Best for: domain authority checks and free keyword/SERP tools. Visit Moz →

6. SE Ranking

A full-featured, affordable SEO platform (keyword research, rank tracking, audits, competitor analysis) with a free trial — close to Semrush's breadth at a fraction of the cost. Best for: an affordable all-in-one Semrush alternative. Visit SE Ranking →

7. Serpstat

An all-in-one SEO platform with keyword research, rank tracking, backlinks and audits, with a limited free plan and budget pricing. Best for: a low-cost all-in-one toolkit. Visit Serpstat →

8. Google Trends

Free and unique — see how interest in a topic changes over time, compare terms, and spot rising queries before they peak. Best for: spotting trends and seasonal demand for free. Visit Google Trends →

How to build a free SEO stack

No single free tool replaces Semrush, but a smart combination gets you remarkably far. Use Google Search Console as your foundation — it's the truth about your own site. Add Ubersuggest or Mangools for keyword ideas and difficulty, Ahrefs Webmaster Tools for free backlink and audit data, and Google Trends to validate demand and timing. With those four, you can research keywords, audit your site, track your rankings and find content ideas without spending a cent. As you grow and SEO drives real revenue, that's the point to consider a paid plan — but plenty of successful sites never need one.

When is Semrush actually worth paying for?

Semrush earns its price for SEO professionals, agencies and larger sites that need its huge database, deep competitor intelligence, content and PPC tools, and the ability to manage many projects in one place. If SEO is central to your business and you're spending hours in these tools daily, the time saved can justify the cost. But if you're a solo founder or small site doing SEO part-time, the free stack above usually covers your needs — start free, and only upgrade when you clearly outgrow it.

What you actually lose on free plans

It's worth being honest about the limits so you're not surprised. Free SEO tools typically cap the number of searches or reports per day, track fewer keywords, show smaller backlink databases, and limit how many competitors you can analyze. You'll also miss Semrush's more advanced features — content templates, PPC research, agency reporting, large-scale site audits and historical data. For a small site, none of that is usually a dealbreaker; you simply work within daily limits and combine tools. The moment those limits start slowing you down regularly is the signal that a paid plan (Semrush or a cheaper all-rounder like SE Ranking) would pay for itself in time saved.

Tips to get more from free SEO tools

A few habits stretch free tools a long way. Lead with Search Console — mine the "Performance" report for queries where you rank on page two; those are your fastest wins. Batch your research so you don't burn daily search limits on idle curiosity. Cross-check volume and difficulty across two tools, since free databases vary. Use Google's own free tools (Search Console, Trends, and even autocomplete and "People also ask") as a keyword goldmine that never runs out. And focus on long-tail, low-competition terms where great content can rank without a big backlink budget — exactly the kind of keywords free tools are perfect for finding.

Frequently asked questions

What is the best free alternative to Semrush? For your own site's data, Google Search Console is unbeatable and free. For keyword research, Ubersuggest and Mangools are great budget options, and Ahrefs Webmaster Tools gives free backlink data. Combine a few to cover what Semrush does in one place.

Is there a completely free SEO tool? Yes — Google Search Console and Google Trends are entirely free, and tools like Ubersuggest, Moz and Ahrefs Webmaster Tools have free tiers. You can do real SEO at $0 by combining them, accepting some usage limits.

Can free tools really replace Semrush? Not feature-for-feature — Semrush's database and breadth are larger. But for most small sites, a combination of free tools covers keyword research, audits, rank tracking and backlinks well enough that you may never need to pay.

What's the best free keyword research tool? Google Search Console (for keywords you already rank for), plus Ubersuggest or Mangools (for new ideas and difficulty) and Google Trends (for demand over time). Together they cover most keyword research needs for free.

Is Ubersuggest free? Ubersuggest has a free tier with a limited number of searches per day, plus affordable paid and lifetime options. It's one of the more generous freemium Semrush alternatives for keyword research.

Which is best for backlinks for free? Ahrefs Webmaster Tools gives free backlink data for sites you own, and Ubersuggest and Moz offer limited free backlink checks. For your own site, Ahrefs Webmaster Tools is the standout free option.

What's the cheapest paid alternative to Semrush? SE Ranking, Mangools and Serpstat are popular affordable all-in-one SEO platforms that cost a fraction of Semrush while covering keyword research, rank tracking and audits. They're the natural next step once you outgrow free tools but don't want Semrush's price.

Is Ubersuggest better than Semrush? Not in raw power or database size — Semrush is far more comprehensive. But Ubersuggest is much cheaper (with a free tier) and covers the essentials, making it a better fit for solo founders and small sites that don't need Semrush's full professional toolkit.

Can I do SEO with only free tools? Yes — many successful small sites do. Google Search Console, Google Trends, Ubersuggest's free tier and Ahrefs Webmaster Tools together cover keyword research, rank monitoring, audits and backlinks well enough to grow real organic traffic without paying.

The bottom line

You don't need to pay for Semrush to do effective SEO. Start with Google Search Console for your own data, add Ubersuggest or Mangools for keyword research, Ahrefs Webmaster Tools for backlinks and audits, and Google Trends for demand — and you've got a capable, free SEO stack. Semrush remains the gold standard for professionals and agencies, but for solo founders and small sites, these free alternatives will take you a very long way. Begin free, learn what you actually use, and only pay when SEO is clearly earning its keep. The best SEO results come from consistently publishing genuinely useful content and earning relevant links — and you can plan, research and track all of that with free tools long before any paid subscription becomes necessary. Don't let the price of premium platforms stop you from starting; the fundamentals are free, and they're where most of the wins are.

Built an SEO or marketing tool? List it on Tolodora and get discovered by people hunting for their next tool.