Dev Inspector: HTML, CSS & Screenshot

Chrome extension · Productivity · Developer

A Chrome extension in Productivity · Developer with 19 users, barely installed. Audience over the last 30 days: +1.

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

What the developer says, and 3 screenshots

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

Users: 19
Rating: not rated yet
Users, last 30 days: +1
Version: 1.02
Updated in the store: 2026-03-12
Published: 2026-02-25
Manifest: V3
Browser access: 3 permissions, 1 site pattern

How it has moved

Last 30 daysLast 90 days

Users

+1 since 13.10

16-22 · 19 readings

2026-10-1318
2026-10-1619
2026-10-1718
2026-10-1819
2026-10-1918
2026-10-2316
2026-10-2417
2026-10-2520
2026-10-2819
2026-10-2917
2026-10-3018
2026-11-0117
2026-11-0419
2026-11-0620
2026-11-0721
2026-11-0822
2026-11-0921
2026-11-1019
2026-11-1219

Users

-3 since 31.08

16-23 · 33 readings

2026-08-3122
2026-09-0421
2026-09-0523
2026-09-0722
2026-09-1021
2026-09-1320
2026-09-1718
2026-09-2021
2026-09-2218
2026-09-2517
2026-09-2619
2026-10-0420
2026-10-0818
2026-10-1017
2026-10-1318
2026-10-1619
2026-10-1718
2026-10-1819
2026-10-1918
2026-10-2316
2026-10-2417
2026-10-2520
2026-10-2819
2026-10-2917
2026-10-3018
2026-11-0117
2026-11-0419
2026-11-0620
2026-11-0721
2026-11-0822
2026-11-0921
2026-11-1019
2026-11-1219

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.

Manage your downloads downloads
Act on the current tab, but only after you click it activeTab
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.

Like this one

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

Element Inspector Describes nearly the same job, smaller audience 42 users
Element Inspector Describes nearly the same job, smaller audience 89 users
Quick Inspector Describes nearly the same job, smaller audience 6 users
Inspect Element - CSS Viewer, Copy CSS & Fonts by SuperchargeBrowser Describes nearly the same job, smaller audience 90 users
CSS Peek — Instant CSS Inspector Describes nearly the same job, smaller audience 3 users (last published figure)

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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Markdown

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

HTML

<a href="https://extops.dev/extensions/fjnjnocphgdcaafbkjjjnnbgjkakfifm"><img src="https://extops.dev/extensions/fjnjnocphgdcaafbkjjjnnbgjkakfifm/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 2026-11-12. The store last changed these figures on 2026-11-10. We publish no contact details for extension developers.