01
Open the panel
The popup tells you which page is in scope and asks for one click. Nothing runs in the background.
Browser extension · Chrome
Open the panel, press scan, see the score and the issues that matter. Same rule engine our paying customers run on a schedule, but right where you are debugging.
Result panel
Same WCAG 2.1 A and AA test our scanner runs in production. Cached on-device until you sign up to save it.
WCAG score
Pass-fail ratio across applicable rules, not a vanity badge.
Severity breakdown
Critical, serious, moderate, minor. Bucketed by axe-core impact.
Top failing rules
Each item shows the rule, WCAG criterion and how many nodes are affected.
Save scans & monitor
One click sends the result to your account and turns on weekly re-scans.

How it works
01
The popup tells you which page is in scope and asks for one click. Nothing runs in the background.
02
The extension injects a vetted rule engine into the active tab and tests against WCAG 2.1 A and AA only.
03
Score, severity, top failing rules. Stays on your device until you sign up to save it.
Privacy posture
On your device
Only when you opt in
Try it
The extension is for one-off checks. Invoset signs up your whole site, runs a weekly schedule and keeps a court-ready archive, free during early access.