Free tools
Free ValleyFill tools
Free tools for people who run public and local websites. Each tool page says what it checks, what it cannot tell you, and whether anything leaves your browser.
Accessibility tools on valleyfill.com
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WCAG color contrast checker
Test a text color and a background color against WCAG 2.1 contrast thresholds: 1.4.3 (AA), 1.4.6 (AAA) and 1.4.11 non-text contrast (AA), plus an optional link-versus-surrounding-text check. Runs in your browser.
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Plain language and reading level checker
Paste English text for Flesch Reading Ease, a Flesch–Kincaid grade estimate and a list of long sentences. Runs in your browser; the text is not uploaded.
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Title II Snapshot
For public bodies: your ADA Title II web deadline plus basic page and PDF signals from up to 10 pages. Automated indication only, not legal advice. This one sends the address you enter to our server to fetch your pages; how it works.
Tools on other ValleyFill sites
These open on their own sites, with their own pages and terms of use.
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HTTPFirst Check
At https.valleyfill.com
Checks whether your site is likely to trigger Chrome’s warning before an insecure HTTP page, with copy-paste fixes. A prediction from your site’s public responses.
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AI Crawler Checker
At local.valleyfill.com (ValleyFill Local)
Reads your robots.txt and reports which AI search and training crawlers it allows or blocks.
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LocalBusiness Schema Generator
At local.valleyfill.com (ValleyFill Local)
Builds schema.org JSON-LD for a local business in your browser.
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AI-Readiness Check
At local.valleyfill.com (ValleyFill Local)
Basic homepage checks for title, description, structured data, name/address/phone consistency and crawler access.
All ValleyFill Local free tools · All ValleyFill apps
Free automated tools are not legal advice, certification or a guarantee of accessibility or compliance.