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AI Readability Checker
What it is
AI Readability Checker is a free web tool from Fortitude Development for reviewing pages and draft content before publication. Users can enter a page URL or paste text. The checker examines heading structure, paragraph and sentence lengths, and how early the content answers its apparent topic. It also checks whether headings clearly name or pose questions, paragraphs keep to one point, and sentences are short enough for an AI model to quote. Results use pass, warning, and fail checks and include rewrite suggestions for sections that are difficult to extract. The maker says these AI-oriented checks overlap with human-friendly writing, including clear headings, short sentences, and one idea per paragraph, while also favoring passages that remain understandable out of context. The tool measures extractability and understandability; it does not promise selection or citation by ChatGPT, AI Overviews, or another AI product. The site uses Google reCAPTCHA, and users can leave an email for help with issues affecting their site.
For and against
For
- Free plan for URL or pasted-content scans
- Pass, warning, and fail checks
- Rewrite suggestions for flagged sections
- Checks headings, sentences, and paragraphs
- Supports draft review before publication
Against
- Does not guarantee AI selection or citation
- No named third-party integrations
- Web platform only
The verdict
AI Readability Checker focuses on structural and language signals that affect extractability. Its free checks and rewrite suggestions can help authors review pages before publishing, while results should not be treated as a citation guarantee.
Who it suits
It suits people reviewing existing pages or drafts for clearer structure and easier AI extraction. It runs on the web and offers URL scanning or pasted-content review.
Plans and prices
Free
Scan a URL or paste content · pass/warning/fail checks · rewrite suggestions
Read 4 Oct 2026 · fortitudedev.com
On the record
- Extractability checks
- It scores whether headings name or pose clear questions, paragraphs make one point each, and sentences are short enough for a model to quote cleanly.fortitudedev.com · read 4 Oct 2026
- Human readability
- The maker says AI readability overlaps with human-friendly writing such as short sentences, one idea per paragraph, and clear headings, while also favoring passages that make sense out of context.fortitudedev.com · read 4 Oct 2026
- Input modes
- Users can enter a page URL or paste draft content for checking before publication.fortitudedev.com · read 4 Oct 2026
- Integrations
- The product page describes URL scanning and pasted-content input but does not name third-party product integrations.fortitudedev.com · read 4 Oct 2026
- Intended users
- The checker supports reviewing existing pages and draft content before publication for AI extractability.fortitudedev.com · read 4 Oct 2026
- Maker history
- Fortitude Development says it has helped individuals, start-ups, and business owners since 2016.fortitudedev.com · read 4 Oct 2026
- No citation guarantee
- The tool measures extractability and understandability and does not guarantee selection or citation by ChatGPT, AI Overviews, or another AI product.fortitudedev.com · read 4 Oct 2026
- Page analysis
- It extracts heading structure, paragraph and sentence lengths, and how early content answers its apparent topic.fortitudedev.com · read 4 Oct 2026
- Purpose
- The checker scans structural and language signals that help AI assistants extract content, including headings, early answers, sentence and paragraph complexity, and standalone passages.fortitudedev.com · read 4 Oct 2026
- Results
- The checker presents pass, warning, and fail checks plus rewrite suggestions for sections flagged as hard to extract.fortitudedev.com · read 4 Oct 2026
- Security
- The product page states that the site is protected by Google reCAPTCHA and that Google's Privacy Policy and Terms of Service apply.fortitudedev.com · read 4 Oct 2026
- Support
- The page invites users to leave an email so Fortitude can help fix issues holding their site back.fortitudedev.com · read 4 Oct 2026
