Ext Ops Panel
Open dashboard

Block File Types

Chrome extension by Clay · Productivity · Workflow

A Chrome extension in Productivity · Workflow with 900 000 users, a widely installed extension. Audience over the last 30 days: +100 000.

Specific sites only: 1 match pattern.

What the developer says, and 1 screenshot

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

Users
900 000 (the store no longer states an audience; this is the last figure it published)
Rating
1.2 (24 ratings)
Users, last 30 days
+100 000
Rating, last 30 days
-0.09 in 30 days
Version
0.0.3
Updated in the store
2026-04-20
Published
2023-04-07
Manifest
V3
Browser access
2 permissions, 1 site pattern

How it has moved

Users
+100k since 11.10
700k-900k · 7 readings
  1. 2026-10-17700k
  2. 2026-10-18700k
  3. 2026-10-19700k
  4. 2026-10-21800k
  5. 2026-10-24900k
  6. 2026-10-25900k
  7. 2026-11-10900k
Rating
-0.09 since 11.10
reviewsrating 1.17-1.31 · 7 readings
  1. 2026-10-17reviews31rating1.26
  2. 2026-10-18reviews28rating1.29
  3. 2026-10-19reviews29rating1.28
  4. 2026-10-21reviews29rating1.28
  5. 2026-10-24reviews29rating1.28
  6. 2026-10-25reviews26rating1.31
  7. 2026-11-10reviews24rating1.17
Users
+400k since 31.08
500k-900k · 19 readings
  1. 2026-08-31500k
  2. 2026-09-02500k
  3. 2026-09-03500k
  4. 2026-09-05600k
  5. 2026-09-10600k
  6. 2026-09-13600k
  7. 2026-09-16700k
  8. 2026-09-25800k
  9. 2026-09-26800k
  10. 2026-10-04800k
  11. 2026-10-08900k
  12. 2026-10-10800k
  13. 2026-10-17700k
  14. 2026-10-18700k
  15. 2026-10-19700k
  16. 2026-10-21800k
  17. 2026-10-24900k
  18. 2026-10-25900k
  19. 2026-11-10900k
Rating
-0.01 since 31.08
reviewsrating 1.14-1.31 · 19 readings
  1. 2026-08-31reviews23rating1.17
  2. 2026-09-02reviews23rating1.17
  3. 2026-09-03reviews24rating1.17
  4. 2026-09-05reviews24rating1.17
  5. 2026-09-10reviews24rating1.17
  6. 2026-09-13reviews26rating1.15
  7. 2026-09-16reviews27rating1.15
  8. 2026-09-25reviews28rating1.14
  9. 2026-09-26reviews29rating1.28
  10. 2026-10-04reviews31rating1.26
  11. 2026-10-08reviews31rating1.26
  12. 2026-10-10reviews31rating1.26
  13. 2026-10-17reviews31rating1.26
  14. 2026-10-18reviews28rating1.29
  15. 2026-10-19reviews29rating1.28
  16. 2026-10-21reviews29rating1.28
  17. 2026-10-24reviews29rating1.28
  18. 2026-10-25reviews26rating1.31
  19. 2026-11-10reviews24rating1.17

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

Specific sites only: 1 match pattern.

  • file://*
  • See the address and title of every tab you have open tabs
  • Store data in your browser storage

The full permission history for this extension

What changed recently

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

The publisher

Clay publishes 15 listings we track, 2.8M users between them.

  1. Meet Attendance Clay · Productivity · Workflow · published 2020-03-29 500k users ★ 2.3
  2. Block Forms Clay · Productivity · Workflow · published 2021-12-12 400k users (last published figure) ★ 3.0
  3. PWA Install Block Clay · Productivity · Workflow · published 2022-03-08 300k users (last published figure) ★ 4.3
Show 5 more from this publisher
  1. Cookie Check for YouTube™ Clay · Productivity · Workflow · published 2021-10-23 200k users (last published figure) ★ 1.0
  2. Record to Slides Clay · Productivity · Workflow · published 2020-06-15 100k users ★ 2.9
  3. Slides Timer Clay · Productivity · Workflow · published 2020-02-05 100k users ★ 3.5
  4. Outlook Classroom Email Clay · Productivity · Communication · published 2024-11-08 100k users
  5. HTML Snipper Clay · Make Chrome Yours · Functionality · published 2025-01-21 90k users (last published figure) ★ 5.0

Like this one

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

  1. Managed Files Describes nearly the same job, with an established audience 10k users (last published figure)
  2. Denied File Extensions Describes nearly the same job, smaller audience 3 users (last published figure)
  3. Corporate Upload Compliance Monitor Describes nearly the same job, smaller audience 3 users (last published figure)
  4. MIME Filter Describes nearly the same job, smaller audience 39 users ★ 4.9
  5. Hamaspik Security Extension Describes nearly the same job, smaller audience 591 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.

Compared side by side

Want this mark on your extension in our catalog?

Verify that you are its author and you can show this mark on the card, with live banners for your site and README. How verification works

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

Add a badge to your README or site

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/idcfmfbkmhjnnkfdhcckcoopllbmhnmg/badge.svg)](https://extops.dev/extensions/idcfmfbkmhjnnkfdhcckcoopllbmhnmg)

HTML

<a href="https://extops.dev/extensions/idcfmfbkmhjnnkfdhcckcoopllbmhnmg"><img src="https://extops.dev/extensions/idcfmfbkmhjnnkfdhcckcoopllbmhnmg/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 2026-11-10. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built