I believe there’s a conversation about this issue on Github. It looks like the tool hasn’t been updated in 2 years so the code has gone stale, and the developer who built it is probably busy.
You might still be able to install your own local version by following these instructions, or use it on Firefox which is still up and running.
https://chrome.google.com/webstore/detail/threejs-developer-tools/ebpnegggocnnhleeicgljbedjkganaek this link gives a 404
There is a new (up-to-date) version of this here:
See also:
Debugging Three.js Projects Just Got a Whole Lot Easier | by BACE Tools | Sep, 2022 | Medium
Not yet advertised in this thread but potentially useful to people chiming here,
@mrdoob started vibe-coding a new threejs DevTools see thread
Still draft PR, but wip already looking amazing!
Chrome Web store extension here
In case someone is interestes, I have developed this GitHub - velvetfrustum/ispettore: Browser DevTools extension for inspecting WebGL and WebGPU frames — live GPU state capture, pipeline/shader inspection, and stored-capture diffing, without replaying or reconstructing your scene. · GitHub . Very first release,feedback welcome.