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Blackfire Profiler

Chrome extension by Blackfire.io · Productivity · Developer

A Chrome extension in Productivity · Developer with 10 000 users, an established extension.

Specific sites only: 2 match patterns.

What the developer says, and 1 screenshot

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

Users
10 000
Rating
4.6 (26 ratings)
Users, last 16 days
unchanged
Rating, last 30 days
Not watched long enough to say
Version
2026.9.0
Updated in the store
2026-09-04
Published
2014-09-02
Manifest
V3
Browser access
6 permissions, 2 site patterns

How it has moved

Users
unchanged since 31.08
10k · 2 readings
2026-09-05: released 2026.9.0
  1. 2026-08-3110k
  2. 2026-09-1510k
Rating
unchanged since 31.08
reviewsrating 4.62 · 2 readings
2026-09-05: released 2026.9.0
  1. 2026-08-31reviews26rating4.62
  2. 2026-09-15reviews26rating4.62
Users
unchanged since 31.08
10k · 2 readings
2026-09-05: released 2026.9.0
  1. 2026-08-3110k
  2. 2026-09-1510k
Rating
unchanged since 31.08
reviewsrating 4.62 · 2 readings
2026-09-05: released 2026.9.0
  1. 2026-08-31reviews26rating4.62
  2. 2026-09-15reviews26rating4.62

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

Specific sites only: 2 match patterns.

  • http://*/
  • https://*/
  • See the address and title of every tab you have open tabs
  • Watch the network requests your browser makes webRequest
  • Run its own code on the pages it can access scripting
Show the remaining 3
  • Act on the current tab, but only after you click it activeTab
  • Schedule work to run later alarms
  • Store data in your browser storage

The full permission history for this extension

Version history

  1. Version 2026.9.0

What changed recently

  1. Package size changed
  2. Released version 2026.9.0 (was 2026.8.0)

The publisher

Blackfire.io.

Like this one

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

  1. PerfLens Describes nearly the same job, smaller audience 3 users
  2. Brightery Power developer tools Describes nearly the same job, smaller audience 4 users
  3. DevPulse Describes nearly the same job, smaller audience 14 users
  4. Easy devtools Describes nearly the same job, smaller audience 9 users
  5. Realtime Profiler Describes nearly the same job, smaller audience 22 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.

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.