Sobes.tech

Sobes Focus Blocker

Chrome extension that blocks focus and tab visibility tracking. No popups. No settings. Just works.

Features

Everything you need to pass technical interviews without tracking

Visibility API Blocking

Websites won't know when you switch tabs. The visibilitychange event is completely blocked.

Focus Events Blocking

Blocks blur, focus, window.onfocus and window.onblur events on all websites.

Copy Unblocking

Copy text even on websites where it's disabled. Works automatically.

Smart Copy

Ctrl + hover highlights element, Ctrl+Alt copies all text of the element to clipboard.

Site Whitelist

Configure which sites the extension will be active on. Add domains via popup.

Privacy

Manifest V3, works locally, doesn't collect data. Open source on GitHub.

Installation

5 simple steps to install the extension from archive

1

Download archive

Download the extension archive from GitHub repository.

2

Extract

Unpack the archive to any folder on your computer.

3

Open extensions

Enter in Chrome address bar:

chrome://extensions/
4

Developer mode

Enable the toggle in the top right corner of the page.

5

Load extension

Click 'Load unpacked' and select the folder.