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The 4 Best Free SEO Tools

Genuinely useful SEO tools you can start with for nothing.

Last updated Jul 2, 2026

You don't need an enterprise subscription to do real SEO work. We rounded up tools with genuinely useful free tiers, covering search data, technical crawls and research, so any site can get moving without a monthly bill. Where a tool also sells paid plans we say so, and any affiliate links are clearly disclosed.

  1. 1 Google Search Console Editor's pick

    Google's own free view of how your site performs in search.

    Free

    Free, straight from Google and irreplaceable, it shows your real queries, clicks, indexing status and technical issues from the source.

    Pros

    • + Completely free
    • + First-party Google data
    • + Essential for indexing checks

    Cons

    • − Diagnostic, not a research suite
    • − Data limited to your own site
    Free plan
    Full profile Visit Google Search Console
  2. 2 Screaming Frog SEO Spider Best free

    A desktop crawler for deep technical site audits.

    Freemium

    Its free tier crawls up to 500 URLs, enough to run a real technical audit of most small sites and catch broken links and metadata issues.

    Pros

    • + Free up to 500 URLs
    • + Thorough technical crawl
    • + Trusted by SEO professionals

    Cons

    • − Desktop app, not cloud
    • − URL limit needs a paid licence to lift
    Free plan Developer-friendly
    Full profile Visit Screaming Frog SEO Spider
  3. 3 Semrush Popular

    An all-in-one SEO, PPC and content marketing platform.

    From $139.95/mo

    A limited free account still allows a handful of daily lookups and audits, a good way to sample enterprise-grade data at no cost.

    Pros

    • + High-quality data even free
    • + Broad toolset to grow into
    • + Good for occasional deep checks

    Cons

    • − Tight free-tier limits
    • − Paid plans are a big step up
    Subscription Enterprise
    Full profile Visit Semrush
  4. 4 Moz Pro

    Keyword research, rank tracking and link metrics with a gentle learning curve.

    From $49/mo

    Moz's free tools and trial let you check domain metrics, keyword ideas and rankings without commitment, with an approachable interface.

    Pros

    • + Free tools and trial available
    • + Approachable interface
    • + Well-known authority metrics

    Cons

    • − Full features need a paid plan
    • − Data less deep than top suites
    Subscription Self-serve
    Full profile Visit Moz Pro
How we picked these

We only included tools with a real free tier rather than a time-limited trial, and judged them on how much value you get for nothing, data quality at the free level, and how far the free plan takes you before you hit a wall. We note which are diagnostic tools versus research suites.

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