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HTML Closing Tag Checker

Chrome extension by OrcaSoft · Productivity · Developer

A Chrome extension in Productivity · Developer with 1 000 users, a small but real audience.

No site access is declared in the manifest, so it cannot read the pages you open on its own.

What the developer says, and 1 screenshot

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

Users
1 000
Rating
3.2 (4 ratings)
Users, last 16 days
unchanged
Rating, last 30 days
Not watched long enough to say
Version
1.1.3
Updated in the store
2026-08-18
Published
2024-05-18
Manifest
V3
Browser access
4 permissions

How it has moved

Users
unchanged since 01.09
1k · 2 readings
  1. 2026-09-011k
  2. 2026-09-161k
Rating
unchanged since 01.09
reviewsrating 3.25 · 2 readings
  1. 2026-09-01reviews4rating3.25
  2. 2026-09-16reviews4rating3.25
Users
unchanged since 01.09
1k · 2 readings
  1. 2026-09-011k
  2. 2026-09-161k
Rating
unchanged since 01.09
reviewsrating 3.25 · 2 readings
  1. 2026-09-01reviews4rating3.25
  2. 2026-09-16reviews4rating3.25

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

No site access is declared in the manifest, so it cannot read the pages you open on its own.

  • Act on the current tab, but only after you click it activeTab
  • Add items to the right-click menu contextMenus
  • Show you notifications notifications
Show the remaining 1
  • 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

OrcaSoft publishes 9 listings we track, 182k users between them. Listed website: tool-place.net.

  1. Illust Downloader for pixiv.net OrcaSoft · Lifestyle · Art · published 2010-07-22 90k users ★ 4.1
  2. Translate Anywhere OrcaSoft · Productivity · Tools · published 2010-07-28 50k users ★ 3.8
  3. 2chRevival OrcaSoft · Lifestyle · Social · published 2010-07-19 20k users ★ 4.6
Show 5 more from this publisher
  1. Illust Downloader EX for pixiv.net OrcaSoft · Make Chrome Yours · Accessibility · published 2014-07-01 20k users ★ 4.2
  2. WebSiteChecker OrcaSoft · Make Chrome Yours · Accessibility · published 2010-07-20 1k users ★ 3.5
  3. X (Twitter) Media Extraction & Download OrcaSoft · Productivity · Tools · published 2025-08-17 263 users
  4. View link source OrcaSoft · Productivity · Developer · published 2010-09-04 172 users ★ 4.0
  5. どこでもチャット！ OrcaSoft · Lifestyle · Entertainment · published 2010-07-21 59 users ★ 4.9

Like this one

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

  1. HTML Tag Checker by ACHN Describes nearly the same job, smaller audience 51 users ★ 5.0
  2. HTML 태그 검사기 Describes nearly the same job, smaller audience 8 users
  3. HTML Tag Error Checker Describes nearly the same job, smaller audience 6k users ★ 5.0
  4. HTML validator Describes nearly the same job, smaller audience 557 users ★ 5.0
  5. HTMLタグチェッカー HTML DIAGNOSTIC SYSTEM Describes nearly the same job, smaller audience 3 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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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.