HeadingsMap
Developer Tools
Likely PaidConfidence 88Platform PayPal
To show, browse and audit (for accessibility and SEO) the headings structure
Users
100K
Rating
4.5
Reviews
81
7D Growth
0|0%
Stable signalNo paid features detectedHigh-risk permissions
Web Developer
Adds a toolbar button with various web developer tools.
Users1MCurrent public install base
Rating4.5Store average score
Reviews2,830Public review volume
Manifest versionV3Extension platform version
7-day growth0Net users gained this week
7-day growth rate0%Relative weekly velocity
Preview
6 assetsWeb Developer Media preview
Trend
User growth trend
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User Growth Over Time
Rating trend
7-day rating trend
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7-day rating change
Start
4.46
Latest
4.46
7-day rating change
0.00
2026年7月13日2026年7月19日
Growth overview
Daily, weekly, and monthly growth
Compare 1-day, 7-day, and 30-day net growth and growth rate.
1-day growthFlat
00%7-day growthFlat
00%30-day growthFlat
00%Technical snapshot
Version, languages, and crawl freshness
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Version3.0.1
ManifestV3
Size574KiB
Languages1English (United States)
Published
Store updated
Last crawled
English (United States)
Overview
Product summary
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The Web Developer extension adds a toolbar button to the browser with various web developer tools. This is the official port of the Web Developer extension for Firefox.
--------------------
The best place for support is not in the reviews section below, but on the Web Developer site in the help:
https://chrispederick.com/work/web-developer/help/
Also available there are a full set of release notes:
https://chrispederick.com/work/web-developer/history/chrome/
Reviews
Recent review snapshot
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Store average score4.5Chrome Web Store aggregate rating, including ratings without synced review text
Synced text average4.2Average computed only from synced review bodies below
Reviews with text715Synced review bodies
Total ratings / reviews2,830Chrome Web Store public rating/review count
Store average score: 4.5. The bars below are calculated from synced review text only, so they may be empty for extensions that have public ratings but no synced comments yet.
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Review related products from the Chrome Web Store detail page.
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Awesome, doesn't need words. Just can't live without it. Hats off to chrispederick...!!
One of my most used extensions, perfect to identify hidden objects in a website. Also perfect to write selenium tests for web 2.0 applications. The extension works fast & stable. Great look & feel, love to use it every day!
Really nice, i love the show css js function so nice
Awesome tool, definitely helping me out with programming
Great extension. This is the extension I missed the most after transitioning from firefox to chrome. So happy to find this chrome version by the same developer. I donated money for this ext when I used it on firefox, it's that good. Keep up the great work Chris!
Muy bueno, gracias
love this tools make it easier for me to do my work
Fantastic suite of tools for your web development pleasure! :D
It has some great features including ruler for measuring elements, quick disable javascript and form populater which saves me loads of time!!
I love it! Thanks for your work