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Devtools Web Studio

Chrome extension by claudiomspereira · Productivity · Developer

A Chrome extension in Productivity · Developer with 6 users, barely installed.

Every site you visit. This extension can read and change the content of any page you open.

What the developer says, and 5 screenshots

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

Users
6
Rating
5.0 (1 ratings)
Users, last 8 days
+6
Rating, last 30 days
Not watched long enough to say
Version
1.0.0
Updated in the store
2026-09-07
Published
2026-09-07
Manifest
V3
Browser access
17 permissions, 1 site pattern

How it has moved

Users
+6 since 08.09
0-6 · 4 readings
2026-09-08: appeared in the store
  1. 2026-09-080appeared in the store
  2. 2026-09-091
  3. 2026-09-134
  4. 2026-09-156
Rating
+5.00 since 08.09
reviewsrating 0.00-5.00 · 4 readings
2026-09-08: appeared in the store
  1. 2026-09-08reviews0rating0.00appeared in the store
  2. 2026-09-09reviews0rating0.00
  3. 2026-09-13reviews1rating5.00
  4. 2026-09-15reviews1rating5.00
Users
+6 since 08.09
0-6 · 4 readings
2026-09-08: appeared in the store
  1. 2026-09-080appeared in the store
  2. 2026-09-091
  3. 2026-09-134
  4. 2026-09-156
Rating
+5.00 since 08.09
reviewsrating 0.00-5.00 · 4 readings
2026-09-08: appeared in the store
  1. 2026-09-08reviews0rating0.00appeared in the store
  2. 2026-09-09reviews0rating0.00
  3. 2026-09-13reviews1rating5.00
  4. 2026-09-15reviews1rating5.00

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

Every site you visit. This extension can read and change the content of any page you open.

  • Clear your browsing data browsingData
  • Read and change cookies on the sites it can access cookies
  • Attach to pages the way developer tools do debugger
Show the remaining 14
  • Read and change your browsing history history
  • See the address and title of every tab you have open tabs
  • Watch the network requests your browser makes webRequest
  • Block or redirect requests by rules it declares in advance declarativeNetRequest
  • Manage your downloads downloads
  • Run its own code on the pages it can access scripting
  • Act on the current tab, but only after you click it activeTab
  • Schedule work to run later alarms
  • Add items to the right-click menu contextMenus
  • Show you notifications notifications
  • Open a panel beside the page sidePanel
  • Store data in your browser storage
  • Store data in your browser without the usual size limit unlimitedStorage
  • Declares windows

The full permission history for this extension

What changed recently

  1. Appeared in the store

The publisher

claudiomspereira publishes 2 listings we track, 15 users between them. Listed website: devtools.pt.

  1. Devtools SEO Inspector claudiomspereira · Productivity · Developer · published 2026-08-05 9 users ★ 5.0

Like this one

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

  1. aGoDevTools Describes nearly the same job, smaller audience 3 users (last published figure)
  2. ReadyTools Web Assistant Describes nearly the same job, smaller audience 5 users ★ 5.0
  3. InspectDev Describes nearly the same job, smaller audience 12 users ★ 5.0
  4. Omnitool — Web Developer Multi-tool Describes nearly the same job, smaller audience 6 users ★ 5.0
  5. Creativism Toolbox - 100+ SEO, Dev & Design Tools Describes nearly the same job, smaller audience 2 users

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.

Is this your extension?

Connect it to Ext Ops Panel and see installs, uninstalls and uninstall reasons as events arrive, not as a weekly summary.

See what the panel does

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.