Checksum Reviews:Test every corner of your app using AI

About Checksum

Checksum makes it easy for developers and QA professionals to achieve better test coverage for their web apps. The tool combines real user sessions and machine learning to write E2E tests based on actual user flows and behavior. If you use Playwright or Cypress already, Checksum generates tests using those frameworks, too.

Checksum Reviews:Test every corner of your app using AI – E2E test automation based on real user behavior

Checksum turns your user sessions into a full testing automation pipeline, so you can ship fast without reducing quality.


Save months in development time and help your team focus with auto-generated tests


Our ML models specifically trained on your production sessions to provide full coverage

No maintenance required

Our AI adapt the tests to code changes and flakiness.

Spend less time writing tests and more time shipping

Integration within minutes

Automatic and privacy centric data collection makes integration a breeze

Checksum Reviews:Test every corner of your app using AI

Stop firefighting

Ship with confidence knowing that your code is thoroughly tested

Run tests with open source frameworks

Our model outputs tests using Cypress or Playwright so you are in total control

Find bugs and issues instantly

A bug detected while coding can take you 10 minutes to solve. Same bug found in production can waste 2 days

“Having a testing suite that provides instant feedback and test every flow of my app just makes my team faster. Less firefighting, faster code reviews, and frequent deployments”


How are you generating the tests and what is your coverage?

We train an AI model on real user sessions from your production environment. Our models learn how your users use your app, how they interact with elements, and the typical as well as the edge cases flows they take

Then we connect the model to a browser, gives it a username and password and let it generate tests. Since our model is trained specifically on your software, it executes every edge case and produces automated tests

How can you test new features if your model is trained on user sessions?

Our model can extrapolate from production sessions and learn even how to test new features. By learning your UI conventions and how they manifest in real sessions, we can then generate tests for new features on the spot no new sessions.

What kind of tests are you generating? is using ML to generate end-to-end tests using Cypress or Playwright code

What is the integration process?

The integration with is quick and simple. To get started you need two things:

  • Integrate our javascript SDK, which is simply pasting 3 lines of code when your app is mounted.
  • Provide us with a seed test user on your production or staging environment, so we can generate the tests on that user

What data are you collecting? Do you have any impact on my production performance?

To train the model, we are recording your user sessions in a similar way to solutions like Fullstory or Hotjar. To protect your users’ privacy, we hash all inner texts, so we don’t store sensitive information. We also provide full privacy controls so you can mask any events from sensitive elements

Our impact on performance is non-existent as we use battle-tested open source tools used by Fortune 500 companies

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