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Chrome extension by laughingprofessor99 · Productivity · Tools

  • Established publisher

A Chrome extension in Productivity · Tools with 6 users, barely installed. Audience over the last 30 days: unchanged.

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

What the developer says, and 2 screenshots

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

Users
6
Rating
not rated yet
Users, last 30 days
Unchanged
Version
2.1
Updated in the store
2026-05-21
Published
2026-05-14
Manifest
V3
Browser access
3 permissions, 2 site patterns

How it has moved

Users
unchanged since 02.10
6-7 · 9 readings
  1. 2026-10-047
  2. 2026-10-106
  3. 2026-10-217
  4. 2026-10-226
  5. 2026-10-237
  6. 2026-10-246
  7. 2026-10-297
  8. 2026-10-316
  9. 2026-11-016
Users
+1 since 01.09
5-8 · 22 readings
2026-10-01: gained the good publisher record badge
  1. 2026-09-015
  2. 2026-09-026
  3. 2026-09-045
  4. 2026-09-075
  5. 2026-09-086
  6. 2026-09-095
  7. 2026-09-136
  8. 2026-09-157
  9. 2026-09-176
  10. 2026-09-208
  11. 2026-09-217
  12. 2026-09-268
  13. 2026-09-286
  14. 2026-10-047
  15. 2026-10-106
  16. 2026-10-217
  17. 2026-10-226
  18. 2026-10-237
  19. 2026-10-246
  20. 2026-10-297
  21. 2026-10-316
  22. 2026-11-016

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing up to 2 times 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.

  • Run its own code on the pages it can access scripting
  • Act on the current tab, but only after you click it activeTab
  • Declares windows

The full permission history for this extension

What changed recently

  1. Gained the Established publisher badge

The publisher

laughingprofessor99 publishes 6 listings we track, 33 users between them. Listed website: laughingprofessor.net.

  1. LP Website Image Optimizer laughingprofessor99 · Productivity · Developer · published 2026-05-11 8 users
  2. Shop Drive Click Through Window laughingprofessor99 · Lifestyle · Shopping · published 2026-05-18 6 users
  3. The Professor's SEO Report Card laughingprofessor99 · Productivity · Developer · published 2026-05-19 5 users
Show 2 more from this publisher
  1. AI Readiness Checker laughingprofessor99 · Productivity · Tools · published 2026-05-30 5 users
  2. The Laughing Professor Visual Accessibility laughingprofessor99 · Make Chrome Yours · Accessibility · published 2026-05-25 3 users (last published figure)

Like this one

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

  1. SERP Preview Tool Describes nearly the same job, with an established audience 10k users ★ 4.1
  2. SERP Snippet Preview: Title & Meta Checker Describes nearly the same job, smaller audience 7 users
  3. Google SERP Preview Tool Describes nearly the same job, smaller audience 8 users ★ 5.0
  4. Cyfrow SEO Meta Preview Describes nearly the same job, smaller audience 3 users (last published figure)
  5. SEO SERP preview Describes nearly the same job, smaller audience 16 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.

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The badge shows the audience and rating from our last pass over the store and links back to this page.

Users and rating on Ext Ops Panel

Markdown

[![Users and rating on Ext Ops Panel](https://extops.dev/extensions/pfhljfdngldkaenmnkfelhjaidbccdbb/badge.svg)](https://extops.dev/extensions/pfhljfdngldkaenmnkfelhjaidbccdbb)

HTML

<a href="https://extops.dev/extensions/pfhljfdngldkaenmnkfelhjaidbccdbb"><img src="https://extops.dev/extensions/pfhljfdngldkaenmnkfelhjaidbccdbb/badge.svg" alt="Users and rating on Ext Ops Panel" height="20"></a>

Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-10-31. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built