Threat UA Switcher
Threat UA Switcher is an open-source Firefox desktop extension that lets users change the User-Agent reported by their browser. It supports defensive security research, threat intelligence investigations, quality assurance, and analysis of websites using cloaking.
Overview
5 featuresThreat UA Switcher is a Browser DevTools & extensions project. It focuses on testing and investigating websites that change behavior based on the reported browser User-Agent. Threat UA Switcher is an open-source project aimed at security researchers, threat intelligence analysts, and QA testers. Threat UA Switcher is open source under the Open Source license. It runs on the web, the command line, embeddable surfaces, macOS, and Windows.
Behind Threat UA Switcher is drego85, and it first shipped in 2026. Key capabilities include user-Agent switching, firefox integration, and Custom User-Agents.
Summary written by a language model from the project’s public pages.
- User-Agent switching
- Firefox integration
- Custom User-Agents
- Security research
- Cloaking analysis
Built with & integrations
Trust & compliance
Indexing history
1What PulseGate has recorded for this listing
- Indexed3 Sept · 21:00 UTCThreat UA Switcher verified via Firefox Add-onsSource: Firefox Add-ons · Open
Frequently asked questions about Threat UA Switcher
- What does Threat UA Switcher do?
- Threat UA Switcher focuses on testing and investigating websites that change behavior based on the reported browser User-Agent. It is catalogued under Browser DevTools & extensions on PulseGate.
- Who is Threat UA Switcher for?
- Threat UA Switcher is an open-source project built for security researchers, threat intelligence analysts, and QA testers.
- Is Threat UA Switcher free?
- Yes — Threat UA Switcher is open source under the Open Source license and free to use.
- What platforms does Threat UA Switcher run on?
- Threat UA Switcher runs on the web, the command line, embeddable surfaces, macOS, and Windows.
- Is Threat UA Switcher still active?
- Unverified. Threat UA Switcher has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
- Who makes Threat UA Switcher?
- Threat UA Switcher is developed by drego85.
- How long has Threat UA Switcher been around?
- Threat UA Switcher first shipped in 2026.
- Is Threat UA Switcher open source?
- Yes — Threat UA Switcher is open source under the Open Source license.
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