Tool documentation
Clear, honest guides to every free tool on this site: what each option does, how the results are worked out, the limits, and how to fix common problems.
- Free SEO + AI Audit docs: How the Free SEO + AI Audit crawls up to 25 pages, scores six categories and ranks fixes for Google and AI search, plus its limits.
- AI Website Detector docs: How the free AI Website Detector scores any public website from 0 to 100, what each verdict and confidence level means, and how to read the evidence.
- Free QR Code Generator docs: Create free static QR codes for links, Wi-Fi, WhatsApp, UPI and contact cards, add your logo and colors, and download PNG, SVG or JPG.
- Ad Spend & ROI Calculator docs: Plan a Google Ads or Meta Ads budget, or check live results, and see leads, sales, ROAS, ROI and break-even for 26 industries.
- Google Update Risk Checker docs: How the Google Update Risk Checker reads your site, the 30 checks and the Google updates behind them, how the score works, the traffic comparison and its limits.
- Google Algorithm Sensor docs: How the Google Algorithm Sensor knows when Google is rolling out an update, what each weather level means and where the update history comes from.
- AdSense Eligibility Checker docs: How the AdSense Eligibility Checker reads your site, every check and the Google page behind it, the low-value content check, blockers, the score and its limits.
- AI Content Detector docs: How the AI Content Detector scores text, every signal and its weight, how confidence works, and why your text never leaves your browser.