Free SEO tools for SaaS teams
Calculators, checkers, and generators built by Chung Digital for SaaS, API, and tech companies. Free to use, with no sign-up and no email gate.
- Free to use
- No sign-up
- Built for SaaS
Available now
Open a tool and get a result in under a minute.
SaaS growth calculators
Put numbers on organic growth, acquisition cost, and retention.
SEO ROI Calculator
Free SEO ROI calculator for SaaS. Forecast payback month, ROI, and new MRR from organic traffic, see the SEO ROI formula, and get an AI explanation.
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Customer Acquisition Cost Calculator
Free customer acquisition cost calculator for SaaS. Work out blended, paid, and organic CAC, CAC payback, and LTV to CAC, with benchmark bands for each.
Open toolCustomer Lifetime Value Calculator
Free customer lifetime value calculator for SaaS. Calculate CLV from ARPA, gross margin, and churn, with expansion and a discount rate, and your LTV to CAC ratio.
Open toolChurn Rate Calculator
Free churn rate calculator for SaaS. Calculate monthly and annual churn from customers at the start, customers lost, and new customers, and see the effect on LTV.
Open toolOn-page and metadata
Check how a page looks in search results, social feeds, and to crawlers.
Meta Description Generator
Free meta description generator and title tag checker. See a live Google preview on desktop and mobile, fix pixel width issues, and get AI drafts.
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Twitter Card Validator
Free Twitter card validator and Open Graph checker. Preview any link on X, LinkedIn, Facebook, and Slack, and check the og:image size, tags, and fixes.
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On-Page SEO Checker
Free on-page SEO checker. Scan one URL for title, meta description, H1, canonical, hreflang, noindex, and social card issues, with a fix for each one.
Open toolMeta Tag Checker
Free meta tag checker. See every meta tag on a page, check the title and description pixel widths, robots, viewport, and social tags, and fix what's wrong.
Open toolH1 Checker
Free H1 checker. See a page's H1 and its full H1 to H6 heading outline, with missing, duplicate, empty, and skipped headings flagged and a fix for each.
Open toolCanonical Checker
Free canonical tag checker. See if a page's canonical is present, absolute, and points at the final URL after redirects, in the HTML and the Link header.
Open toolHreflang Checker
Free hreflang checker. Validate a page's hreflang tags: language and region codes, x-default, self-reference, and return links from the alternate pages.
Open toolNoindex Checker
Free noindex checker. Find out if Google can index a page: meta robots, the X-Robots-Tag header, robots.txt rules, status code, and redirects in one check.
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Schema Markup Generator
Free schema markup generator for SaaS. Build JSON-LD for SoftwareApplication, Organization, WebSite, Breadcrumb, and FAQ in one graph, checked before you copy.
Open toolTechnical SEO and AI crawlers
See which search and AI bots can reach your site, and what they find.
Robots.txt Tester
Free robots.txt tester and validator. Check any URL against 20 search and AI bots, see the rule that blocks it, fix syntax errors, and generate a new file.
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llms.txt Generator
Free llms.txt generator and checker. Build an llms.txt from your sitemap in the llmstxt.org format, or check an existing file for format problems.
Open toolWant the full picture?
The tools check one thing at a time. A free SEO audit covers your technical setup, on-page content, links, and AI visibility together.
Get your free SEO auditWhat's locking your organic growth?
Send your site and Furqan will personally review your backlinks, brand mentions, technical and on-page SEO, and AI visibility. You'll hear which service fits, or that you don't need one yet.
- Backlink profile and competitor gaps
- Brand mention and AI visibility check
- Technical and on-page SEO review
- A straight recommendation, even if it's no
Prefer email?
furqan@chungdigital.com