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Free tools for SaaS help centers and docs
Find the questions your docs can't answer, check what AI assistants can read, and see what AI support really costs. Free, no signup, built by the team behind usedocs.
Find what's missing, what's stale, and what to write next.
For your help center
Help Center Audit
Score your help center on search, contact options, topic coverage, dates, schema, and links.
Documentation Gap Analysis
Check which customer questions your docs can't answer, using your own questions or generated ones.
Docs Drift Checker
See which recent changelog entries your help articles mention, and which we couldn't find.
Support Question Clusterer
Group pasted customer questions by topic and get a ranked list of articles to write.
Documentation Debt Quiz
Five questions to score how far your help center has fallen behind the product.
Document Chat
Upload a PDF or DOCX and ask questions; see what cited, grounded answers feel like.
Draft help articles and release notes, and check they read well.
Writing tools
Help Article Generator
Draft a help article from your notes with a proven outline; gaps are marked, never made up.
Release Notes Generator
Turn commit messages and pull request titles into customer facing release notes.
Help Article Checker
Score a help article's readability and get specific fixes, in your browser.
FAQ Generator
Draft FAQ questions and answers from any page, with FAQPage JSON-LD.
Help ChatGPT, Claude, and Perplexity find and cite your docs.
AI visibility
AI Readiness Checker
Check whether ChatGPT, Claude, and Perplexity can find, read, and cite your site.
llms.txt Generator
Generate an llms.txt file from your site structure.
robots.txt Generator & Tester
Build and test robots.txt rules, including AI crawlers.
FAQ Schema Generator
Build valid JSON-LD for FAQ, Article, Organization, and Product pages.
Sitemaps, meta tags, and links that search engines can follow.
SEO basics
API docs and the cost of the models behind your AI features.
Developers
What AI support costs, and what it saves.
Calculators
Read next
Guides that pair with these tools
How to find what's missing from your help center
Find what's missing from your help center
What is documentation drift?
Catch docs that drift from your product
llms.txt guide
Make your docs readable by AI assistants
AI Support Pricing: Per Resolution vs Flat Plans (2026)
Compare AI support pricing models