Privacy Policy

Last updated: June 2026.

This is a marketing site

wcagcheckr.com tells you about the wcagcheckr browser extension and what it costs. We don’t take payment on this site — you install the free extension and upgrade inside the app, so no card or billing details are ever entered here.

Site visitors

We aim to collect as little as possible. We do not sell personal data. If we use analytics, it’s privacy-respecting and aggregate — to understand overall traffic, not to track individuals.

The extension — what does and doesn’t leave your browser

The core audit — axe-core plus our analyzers — runs entirely in your browser. For that audit, your private, internal, and pre-launch pages are not sent to us or anyone else.

The exception is the optional AI features. They are off by default and require your own Anthropic API key. When you enable them, the extension sends the relevant page content — text, DOM snippets, and screenshots of the pages you audit — directly to Anthropic’s API using your key, so its model can evaluate what a rules engine can’t. So if you turn AI on while auditing a private or internal page, that page’s content leaves your browser to Anthropic, a third party, under your own account and Anthropic’s terms. We don’t receive it, but Anthropic processes it on your behalf — Anthropic is a sub-processor for the AI features. With AI off, no page content goes to Anthropic.

Account, licensing, and forensic anchoring run through our backend at api.wcagcheckr.com. Anchoring sends a cryptographic hash and timestamp request to seal an audit — not the page content itself.

Contact

Questions about privacy? Email cliff@locustware.com.