OopsGuard

What it can reach

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

• Run its own code on the pages it can access scripting
• 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 →

The publisher

Greengage LTD publishes 6 listings we track, 75 users between them.

1. Markdown Hero Greengage LTD · Productivity · Workflow · published 2026-02-16 33 users
2. UnblockerlyGO Greengage LTD · Productivity · Tools · published 2026-02-11 25 users
3. Unblockerly Greengage LTD · Productivity · Tools · published 2026-01-27 5 users (last published figure)

Like this one

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

1. Submit Button Disabler Describes nearly the same job, smaller audience 3 users (last published figure)
2. AreYouSure? Describes nearly the same job, smaller audience 7 users ★ 5.0
3. Mistake Blocker Describes nearly the same job, smaller audience 24 users
4. Misclick Shield — 誤操作防止シールド（そよぎ） Describes nearly the same job, smaller audience 4 users
5. ProdGuard Describes nearly the same job, smaller audience 6 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.