Efficient Tab Management with String Blocker

String Blocker is a free Chrome add-on designed to enhance browser management by automatically closing tabs that contain specific non-URL strings. This tool is particularly useful for managed Chromebook environments, where traditional URL blocking may not be effective. It targets strings such as 'gndmhdcefbhlchkhipcnnbkcmicncehk', 'devtools://', 'filesystem', and 'data:text', ensuring that unwanted content is efficiently filtered out of the browsing experience.

By using String Blocker, users can maintain a cleaner and more focused workspace, preventing distractions from non-essential tabs. The simplicity of this add-on allows for quick integration into any Chrome browser setup, making it a valuable tool for both individual users and administrators managing multiple devices. Its straightforward functionality ensures that users can enjoy a more streamlined browsing experience without unnecessary interruptions.

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App specs

  • License

    Free

  • Version

    1.1

  • Latest update

  • Platform

    chrome

  • Language

    English

  • Developer

Program available in other languages



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Score result: Clean

This file passed a comprehensive security scan using VirusTotal technology. It is safe to download.

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  • Spyware free
  • Malware free
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Scan Info

Last scan
Wednesday, September 24, 2025
Scan provider
VirusTotal

Softonic security commitment

String Blocker has been thoroughly scanned by our advanced security systems and verified by industry-leading partners. This file comes from the official developer and has passed all our security checks, showing no signs of viruses, malware, or spyware.