RegCalc64

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

yako publishes 5 listings we track, 65 users between them.

1. KeyPass Float yako · Productivity · Tools · published 2026-06-26 21 users
2. DictFloat yako · Productivity · Tools · published 2026-07-02 17 users
3. Jiandu Reader — Clean Web Reading yako · Productivity · Tools · published 2026-07-03 15 users

Like this one

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

1. Mouseless Stack-Calculator App Describes nearly the same job, smaller audience 56 users ★ 3.3
2. Programmer's Calculator Describes nearly the same job, smaller audience 1k users ★ 4.4
3. Simple Calc Describes nearly the same job, smaller audience 2k users ★ 4.0
4. Hex Calculator Describes nearly the same job, smaller audience 10 users ★ 5.0
5. BitLens – Binary, Hex & Number Systems Workbench by UnifyBrowse Describes nearly the same job, smaller audience 15 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.