WHY RANGER?
Coverage that keeps up.
If your product outgrew your test process, meet Ranger.
The problem: velocity broke your test process
Manual QA isn't just inefficient — it's structurally incompatible with modern product velocity.
The shift: coverage has to keep pace
The world is going agentic. QA should too.
Eliminate manual upkeep, brittle scripting, and repetitive triage from your workflow.
Our solution: full confidence
Ranger turns testing into always-on system, giving you complete coverage that scales automatically as you ship faster.
Testimonials
Software teams rely on Ranger.
"To accurately capture our models’ agentic capabilities across a variety of surfaces, we also collaborated with Ranger, a QA testing company that built a web browsing harness that enables models to perform tasks through the browser."
OpenAI o3-mini Research Paper
"Ranger has an innovative approach to testing that allows our team to get the benefits of E2E testing with a fraction of the effort they usually require."
Brandon Goren
Software Engineer
@Clay
“We’ve loved our experience with Ranger. They make it easy to keep quality high while maintaining high engineering velocity. We are always adding new features, and Ranger has them covered in the blink of an eye.”
Martin Camacho
Co-Founder
@Suno
"We knew we needed to do more testing and internally we would always just make up new excuses for why we couldn't do it. So hiring Ranger to do it for us was pretty much essential."
Spencer Schoeben
Founding Engineer
“ Ranger helps our team move faster with the confidence that we aren't breaking things. They help us create and maintain tests that give us a clear signal when there is an issue that needs our attention."
Matt Hooper
Engineering Manager
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"I definitely feel more confident releasing more frequently now than I did before Ranger. Now things are pretty confident on having things go out same day once test flows have run."
Jonas Bauer
Co-Founder and Engineering Lead
Ranger 101
Shipping code is easy, but every bug has a price. Ranger covers it.
Ranger’s agents adapt, triage, and catch real bugs before they reach production, so you ship faster, safer, every time.
(1) Adaptive testing, not static scripts
Our web agent navigates your site, generating Playwright tests that stay relevant without manual upkeep.
(2) Signal over noise
Ranger automatically triages failures, filtering out noise and flaky tests. Your team sees only real bugs and high-risk issues, so engineering time is spent on higher-leverage building.
(3) Momentum that scales
Ranger maintains critical flows, evolves coverage automatically, and catches real risks before they hit production. Ship faster. Break less. Deliver more.
We test your site, so your site doesn’t test you.
FAQ
Who writes the tests? AI? Engineers?
Both! Ranger is a bit like a cyborg: Our AI agent writes tests, then our team of experts reviews the written code to ensure it passes our quality standards.
Our team checks that your code is:
- built correctly
- readable to other humans
- is going to be reliable for your team
We love where AI is heading, but we’re not ready to trust it to write your tests without human oversight. With our team of QA experts, you can feel confident that Ranger is reliably catching bugs.
Who is Ranger best suited to help?
Anyone with a web-based product should be thinking about end-to-end testing. We work best with teams that are focused on building and shipping fast. If that’s you, set up time to chat with us here.
Do I need to have test automation and infrastructure in place?
Nope! We work with products at every stage, whether you’re new to Playwright or looking to migrate an existing suite of tests.
Our team of QA experts will walk you through the process of putting testing on easy mode. We take care of everything, from creating and maintaining your tests to the infrastructure needed to run them.