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VisWiz.io
VisWiz.io is a streamlined visual regression testing SaaS that automates UI image comparisons and integrates closely with GitHub to catch styling errors.
About VisWiz.io
VisWiz.io is a dedicated Software as a Service (SaaS) platform built specifically to tackle visual regression testing for web applications. The tool acts as an automated visual safety net, allowing development teams to catch unintended UI styling changes, layout shifts, and rendering bugs before they are deployed to end users. By comparing baseline screenshots against new builds, VisWiz.io provides immediate, pixel-by-pixel feedback on what has changed in the interface.
Designed for simplicity and speed, VisWiz.io integrates cleanly into existing continuous integration pipelines. It focuses heavily on reducing noise in visual testing by allowing developers to define "ignored regions." This ensures that dynamic content—such as rotating banners, timestamps, or live data feeds—does not trigger false positive regression alerts.
The platform facilitates team communication by pushing visual regression reports directly to the tools teams already use. With native notifications for Slack and Microsoft Teams, as well as customizable webhooks, developers are instantly alerted to visual diffs. Its straightforward GitHub integration further streamlines the workflow by directly updating pull request statuses based on visual test results.
Key Features
- Automated Image Comparisons: Compares high-fidelity screenshots of your web applications to detect pixel-level regressions automatically.
- Ignored Regions: Allows users to explicitly mask out dynamic or frequently changing UI areas to prevent false positive test failures.
- GitHub Integration: Syncs directly with GitHub to post visual regression statuses on pull requests, blocking merges if visual bugs are detected.
- Multi-Channel Notifications: Automatically distributes detailed regression reports via Email, Slack, and Microsoft Teams.
- Custom Webhooks: Provides webhook support to integrate visual test results into custom internal dashboards or alternative CI tools.
- Online Report Browsing: Features a dedicated online dashboard for teams to visually inspect, approve, or reject diffs collaboratively.
Pricing
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Free: $0/month Includes 1 project and up to 5,000 image comparisons per month.
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Starter: $59/month Includes 2 projects, up to 20,000 image comparisons per month, and full access to regression reports and integrations.
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Pro: $149/month Includes 50 projects, up to 1,000,000 image comparisons per month, and GitHub integration. Recommended for scaling teams.
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Open Source: Free Custom limits provided for qualifying open-source projects. Requires contacting support.
Use Cases
- Preventing UI layout shifts and CSS regressions in production
- Automating visual QA checks during GitHub pull requests
- Alerting development teams to visual bugs via Slack or Teams
- Masking dynamic content during automated end-to-end testing
Pros & Cons
Pros:
- Generous image comparison limits on the Pro plan (1,000,000 images).
- Straightforward setup with easy-to-configure ignored regions.
- Strong out-of-the-box alerting for Slack and Microsoft Teams.
Cons:
- GitHub integration is restricted to the highest pricing tier (Pro).
- Lacks native built-in browser rendering; relies on user-provided screenshots.
Integrations
GitHub, Slack, Microsoft Teams, Webhooks
FAQ
Does VisWiz.io offer a free plan?
Yes, VisWiz.io offers a Free plan that allows for 1 project and up to 5,000 image comparisons per month to let teams try the service without commitment.
How does VisWiz.io handle dynamic content on my website?
You can configure 'ignored regions' within the platform to mask out dynamic areas like timestamps or rotating ads, ensuring they do not trigger false positive test failures.
Is GitHub integration available on all plans?
No, the native GitHub integration, which updates pull request statuses, is exclusively available on the Pro plan.
How will my team be notified of visual regressions?
VisWiz.io supports automated regression reports delivered via Email, Slack, Microsoft Teams, and custom webhooks.
Do you support open-source projects?
Yes, VisWiz.io offers a free custom tier for open-source projects. Maintainers need to contact the VisWiz team to get started.
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Last edited
October 28, 2026 at 7:02 PM by Venkatraman Chandrasekaran
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