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SEO & AI tools for organic growth

Practical tools for modern organic growth

HastenOS brings together practical SEO, content, and AI tools to make organic growth work faster and easier.

Explore all toolsTry Website Audit

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The catalogue

Tools built to get work done

No bloated dashboards, no filler, just focused tools for real SEO and organic-growth workflows.

All tools

AI & Content1

AI Humanizer

AI & Content

Make AI-assisted writing sound more natural, without losing your meaning or formatting.

  • Natural sentence rhythm, not metronomic AI cadence
  • Less filler and AI-style hedging
  • Keeps your terminology, links, and formatting intact
Open tool

SEO & Analysis2

Website SEO Audit

Audit your website's technical SEO, content and AI search readiness, and find out exactly what to fix first.

Free · No accountOpen tool

SEO Content Optimizer

Analyse one page against the query you want it to rank for, and get a prioritised list of what to change.

Free · No accountOpen tool

Extensions

Checks that run where you're working

HastenOS extensions run inside the browser, on the page you already have open. Same rule as the tools: nothing is listed before it ships.

All extensions

SEO & Analysis1

Hasten LinkLens

Direct install

SEO & Analysis · Chrome

Check every link on the page you're viewing and see, in colour, which work, which redirect and which are broken.

  • Colours links on the page, so a broken link is visible where it sits
  • Separates redirects from breaks, because the two need different fixes
  • Says when a check was blocked instead of calling the link broken
  • Splits dofollow from nofollow, so a page's outgoing signal is countable
View extension

Available now

AI Humanizer

Make AI-assisted writing sound more natural

Rewrite AI-generated drafts so they read like a person wrote them, without losing your meaning, terminology, links, or formatting.

  • Natural sentence rhythm, not metronomic AI cadence
  • Less filler and AI-style hedging
  • Keeps your terminology, links, and formatting intact
Open AI Humanizer
See the difference

AI-generated

In today's rapidly evolving digital landscape, it is important to note that content quality plays a crucial role in driving meaningful engagement. Moreover, businesses must leverage a variety of strategies in order to achieve optimal results.

After AI Humanizer

Content quality drives engagement: that isn't new. What's changed is how quickly a thin page gets found out, and how much you now need running at once to stay ahead.

Available now

Website SEO Audit

Find out what's hurting your rankings, and exactly how to fix it

Crawl your website and analyse technical SEO, on-page SEO, content, structured data, performance and AI search readiness, then get a prioritised plan of what to fix, why it matters, and how to do it.

  • Runs its own checks, so every finding is verified rather than guessed
  • Groups repeated issues and names the pages they affect
  • Scores the site out of 100, with the reasoning shown
Open Website SEO Audit
See the difference

What most tools tell you

Meta description missing. 6 pages affected. Score impact: −4.

What the Website Audit tells you

6 of your 25 pages have no meta description, so Google is writing its own snippet from whatever text it finds, often a nav menu. Add a description to each, summarising what the visitor gets. Here are the six pages.

Useful first. More tools as we build them.

Built for the work, not the dashboard

We build HastenOS around the workflows we actually use in SEO and organic growth. Every tool has a job, if it doesn't make the work easier, it doesn't belong here.