Activate or Open in New Tab
PulseGate's liveness check found it on 19 Sep 2026; it is registered on Firefox Add-ons and has been in the index since 19 Sep 2026. How this is checked
Activate or Open in New Tab is a Firefox extension that adds a context-menu command for links and bookmarks. It switches to an already open matching tab or opens a new tab when no match exists, with a keyboard shortcut on Windows.
Inferred · not functionally tested
Overview
6 featuresPurpose: Avoiding duplicate tabs when opening bookmarks or links in Firefox.
Inferred · not functionally tested
Audience: Firefox users who manage many tabs and bookmarks
Inferred · not functionally tested
Functions: Unknown
Interfaces: API: unknown · MCP: unknown · CLI: unknown · Self-hosting: unknown
Recorded constraints: pricing: open_source · license: Open Source · platforms: WEB · deployment: browser, embeddable
Constraint provenance is unknown; confirm requirements with the publisher.
Record sources: addons.mozilla.org · addons.mozilla.org. These links do not verify the individual claims.
Activate or Open in New Tab is a Browser DevTools & extensions project. Inferred · not functionally tested: It focuses on avoiding duplicate tabs when opening bookmarks or links in Firefox. Inferred · not functionally tested: Activate or Open in New Tab is a consumer product aimed at firefox users who manage many tabs and bookmarks. Basis unknown · not verified: The project is open source (Open Source). Basis unknown · not verified: Activate or Open in New Tab is available on the web and embeddable surfaces.
It is developed by Expression Inc., and it first shipped in 2025. Inferred · not functionally tested: Key capabilities include existing tab activation, new tab opening, and bookmark support. The interface is available in 32 languages, including Czech, German, and Greek.
Summary written by a language model from the project’s public pages.
Tasks: Inferred · not functionally tested
- Existing tab activation
- New tab opening
- Bookmark support
- Link support
- Context menu
- Windows shortcut
Topics: Inferred · not functionally tested
Built with & integrations
Trust & compliance
Indexing history
1What PulseGate has recorded for this listing
- Indexed19 Sep · 08:15 UTCActivate or Open in New Tab seen via Firefox Add-onsSource: Firefox Add-ons · Open
Frequently asked questions about Activate or Open in New Tab
- What does Activate or Open in New Tab do?
- Inferred · not functionally tested: Activate or Open in New Tab focuses on avoiding duplicate tabs when opening bookmarks or links in Firefox. It is catalogued under Browser DevTools & extensions on PulseGate.
- Who is Activate or Open in New Tab for?
- Inferred · not functionally tested: Activate or Open in New Tab is a consumer product built for firefox users who manage many tabs and bookmarks.
- Does Activate or Open in New Tab have a free plan?
- Basis unknown · not verified: Yes — Activate or Open in New Tab is open source under the Open Source license and free to use.
- What platforms does Activate or Open in New Tab run on?
- Basis unknown · not verified: Activate or Open in New Tab runs on the web and embeddable surfaces.
- Is Activate or Open in New Tab still active?
- PulseGate's liveness check found it on 19 Sep 2026.
- What projects are similar to Activate or Open in New Tab?
- Similar projects tracked by PulseGate include Open in new tab, Open Link in New Tab, and Open Link In New Tab.Open in new tabOpen Link in New TabOpen Link In New Tab
- Who makes Activate or Open in New Tab?
- Activate or Open in New Tab is developed by Expression Inc.
- How long has Activate or Open in New Tab been around?
- Activate or Open in New Tab first shipped in 2025.
Similar projects
Closest matches by what these projects do