Compare

Visually diff 2 webpages.
What is Compare?
Compare is a Chrome extension that allows you to visually diff two webpages. By using CSS mix-blend-mode, it highlights the differences between the currently open tab and a second page. Simply enter the URL of the second page and see a black page for identical pages or visual differences for different pages.

Extension stats

Users: 163 ▲ 7
Rating: 3.33 (3)
Version: 1.0 (Last updated: 2017-10-17)
Creation date: 2017-10-16
Risk impact: Low risk impact
Risk likelihood: Very low risk likelihood
Manifest version: 2
Permissions:
  • activeTab
Size: 59.10K
URLs: Website

Other platforms

Not available on Firefox
Not available on Edge
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Extension summary

Uses CSS mix-blend-mode to visually diff 2 webpages. Enter a second page's url to compare it against the currently open tab. Black equals no difference (two identical pages will result in a completely black page).

User reviews

Not working for pdf
by tahir jamil, 2022-06-27

Some bugs, like hitting compare twice reloads the page, and enter doesn't submit the form. Otherwise, the best tool (and only one we could find) for visually comparing two pages (or two versions of the same page).
by Adam Laughlin, 2021-04-06
View all user reviews

Extension safety

Risk impact

Compare requires very minimum permissions.

Risk likelihood

Compare has earned a good reputation and can be trusted.

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