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Three.js DevTools

Chrome extension by Mr.doob · Productivity · Developer

A Chrome extension in Productivity · Developer with 20 000 users, an established extension.

No site access is declared in the manifest, so it cannot read the pages you open on its own.

What the developer says, and 1 screenshot

Loading from the Chrome Web Store. Open the listing if it does not appear.

Users
20 000
Rating
4.0 (18 ratings)
Users, last 16 days
unchanged
Rating, last 30 days
Not watched long enough to say
Version
1.18
Updated in the store
2026-08-29
Published
2025-04-06
Manifest
V3
Browser access
1 permission

How it has moved

Users
unchanged since 31.08
20k · 2 readings
  1. 2026-08-3120k
  2. 2026-09-1520k
Rating
unchanged since 31.08
reviewsrating 4.00 · 2 readings
  1. 2026-08-31reviews18rating4.00
  2. 2026-09-15reviews18rating4.00
Users
unchanged since 31.08
20k · 2 readings
  1. 2026-08-3120k
  2. 2026-09-1520k
Rating
unchanged since 31.08
reviewsrating 4.00 · 2 readings
  1. 2026-08-31reviews18rating4.00
  2. 2026-09-15reviews18rating4.00

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing more than once a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

No site access is declared in the manifest, so it cannot read the pages you open on its own.

  • See when you navigate between pages webNavigation

The full permission history for this extension

What changed recently

Nothing has moved on this listing since we started watching it.

The publisher

Mr.doob publishes 4 listings we track, 21k users between them. Listed website: threejs.org.

  1. 3D File Viewer Mr.doob · published 2019-10-31 1k users ★ 4.0
  2. Image File Viewer Mr.doob · published 2020-03-01 49 users
  3. Bandcamp Cast Mr.doob · Make Chrome Yours · Functionality · published 2026-05-22 16 users

Like this one

Listings the catalog judges closest in what they say they do.

  1. Needle Inspector — DevTools & MCP for three.js Describes nearly the same job, smaller audience 5k users ★ 5.0
  2. React Three DOM Describes nearly the same job, smaller audience 24 users
  3. 3D Viewer Describes nearly the same job, smaller audience 630 users ★ 5.0
  4. CanvaSpy Describes nearly the same job, smaller audience 124 users
  5. Grid Engine DevTools Describes nearly the same job, smaller audience 73 users ★ 5.0

The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.

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Figures come from our own daily pass over the public Chrome Web Store listing, last read on . We publish no contact details for extension developers.