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Cloud visual regression testing platform for Drupal

Save time and money on QA. Never miss another visual bug

14 days free trial period,
no credit card required

Used by the Drupal 8 core team

We help to test Umami distribution visually

14 days free trial period,
no credit card required

Main Features

Custom Image Compare Algorithm

Get less false positive noise as our algorithm understands vertical shifts.


Use highly scalable infrastructure of workers so you get results faster. Take thousands of screenshots in 30+ concurrent browser sessions.

Predefined and Custom Environments

Compare your Live with Staging or Staging with Development. We support custom environments for your pull request builds.

Easy to integrate

We have a CLI tool to interact with our APIs so you can builds integrations fast.

Mask / Exclude elements

Avoid false positives by removing / masking DOM elements on the page prior to taking the screenshot. Great for hiding ads, slides, popups.

Delay, scroll, javascript

Get the needed state of the page by executing custom javascript, setting a delay or scrolling.

As logged in user

Take screenshots as logged in user to test your backend. Supports Drupal, Wordpress and any custom form to login.

Teams, notifications

Set up your team to share projects. Email, Slack, Github notifications available.

14 days free trial period,
no credit card required


Pantheon - Quicksilver

Monitor your website for updates and if any found — create an updated site and compare it visually with production. So you can run your updates safely. Read more.


Trigger Diffy comparison job with Acquia webhooks after deployment. So you know exactly what changes are coming with the next release. Read more.

We test Drupal core Umami distribution with Diffy and Allows visual testing of patches for both anonymous and admin users. Read more.

Github - checks

Github app that provides a check for your pull requests. Once testing job is completed it will be posted to your pull request as a check so you have all results right there, in pull request thread. Read more.

Pantheon - Build Tools

Build Tools allow to spin up Multi Dev pull request environments. We provide an easy integration to compare those environments with Dev and post results back to Github. Read more.

CircleCI Orb

Custom CircleCI Orb that compares pull request environments with DEV so you have less integration code to maintain as it is hidden in the orb. Read more.

Can I just do it on my own?

  • Get started in less than 5 minutes. No local dependencies.
  • Share results with clients. No need to take care of storing images somewhere.
  • No need to set up and maintain your own server. A year of our service will cost you less than the effort having your own.
  • And to top it all off, you get some nice extra features such as Slack integration with no effort

14 days free trial period,
no credit card required