How it works

Record everything
Replay doesn't just capture video. It records all events at the lowest levels so you have everything you need to fix bugs in a single link. All without needing to reproduce the issue.
Comment on anything
With Replay, you can add a comment on a place in the video, a point in time, a mouse event, or even a line of code. And everyone on your team can jump in using their favorite browser.
Add print statements anywhere
Because Replay is a time-travel debugger, you can add a print statements to any point in time without having to refresh the application and replicate the steps. You won't want to go back to the old way.

Replay is going to be amazing for library maintainers. We'll no longer need to ask for repro instructions with bug reports – we can just ask for the recording.

Brian Vaughn
React Maintainer

The hardest part of debugging is first understanding the problem. Replay gives you powerful tools for dissecting problems so bugs get fixed fastβ€”and stay fixed.

Kyle Matthews
Founder/CEO, Gatsby

Replay is one of these experiences that first feels like magic – but after squashing your first bugs with it, you will quickly wonder how you ever worked without it.

Harald K.
Senior Program Manager, VS Code

I had the privilege of seeing these demos recently, and my mind is blown 🀯

These are the tools interaction devs have needed for years.

Rachel Nabors
Community Engineer, React Core Team

Replay is a true game-changer that enables every developer to do time-travel debugging.

Their work is the most significant leap forward for (web) debugging since we introduced the step debugger.

Kenneth Auchenberg
Developer Products, Stripe