Free Tools

    Free SEO Tools for Startups

    Krzysztof
    Written by
    Krzysztof

    Free tools for startups working on SEO and directory submissions: check your Ahrefs Domain Rating, generate directory badges, compare paid directory pricing, and avoid dead platforms. No signup, no cost, no limits.

    UpdatedAugust 2026
    Summary with AI
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    SEO tool

    Domain Rating Checker

    Check any website's Ahrefs Domain Rating for free. See where your startup stands, track your DR as backlinks come in, and vet directories before you submit.

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    SEO tool

    Website Authority Checker

    Check the authority score of any domain and learn how DR, Moz DA, and Semrush Authority Score relate, plus what a good score looks like for a startup.

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    Generator

    UTM Builder

    Generate campaign URLs with UTM parameters in seconds. One-click presets for Product Hunt launches, newsletters, and social posts.

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    Calculator

    LTV Calculator

    Calculate customer lifetime value from ARPU, gross margin, and churn. The number that sets your entire acquisition budget.

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    Calculator

    CAC Calculator

    Calculate customer acquisition cost and your LTV:CAC ratio, with benchmarks for what healthy looks like in SaaS.

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    Calculator

    Churn Rate Calculator

    Get monthly customer churn, revenue churn, and the annualized number that shows what churn really costs you over a year.

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    Calculator

    MRR Calculator

    Calculate monthly recurring revenue, ARR, and a 12-month growth projection from your customer count and pricing.

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    Calculator

    Stripe Fee Calculator

    See exactly what Stripe takes from each payment, including international and currency conversion fees, and what to charge to net a target amount.

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    Generator

    Directory Badge Generator

    Generate embeddable "Featured on" badges for your website in seconds. Many directories require a badge in exchange for a dofollow backlink - this covers that requirement.

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    Data

    Directory Pricing Benchmark

    Every paid startup directory priced and ranked in one table. Compare submission fees against DR and traffic so you never overpay for a listing.

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    Deals

    Directory Coupon Codes

    Active discount codes for paid startup directories, collected in one place and updated as new promotions appear.

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    Data

    Directories Graveyard

    An archive of dead and inactive startup directories. Check before you submit so you never waste time on a platform that no longer reviews listings.

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    Data

    Free Startup Directories List

    40+ verified free startup directories ranked by Domain Rating, with dofollow flags and traffic estimates pulled live from our database.

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    Why We Built These Free Startup Tools

    Every tool here solves a problem we kept running into while submitting startups to directories: not knowing a site's real authority, overpaying for listings, submitting to platforms that quietly died, and hunting for badge embeds one directory at a time. Instead of paying for separate SEO software, you can cover the whole directory workflow with these free SEO tools and our directory database.

    Looking for software that handles submissions end to end? Compare the options in our directory submission tools guide or let us submit your startup to 100+ directories for you.

    Free Tools FAQ

    Ready to build high-quality backlinks?

    We'll submit your product to 100+ directories and build valuable backlinks for your SEO. Save hours of manual work so you can focus on what's important — selling and building, not submitting boring forms.