Script Injector
PulseGate's liveness check found it on 18 Oct 2026; it is registered on Firefox Add-ons and has been in the index since 17 Sep 2026. How this is checked
Script Injector is a Firefox extension for writing and injecting custom code into websites. Users can edit, delete, export, and run scripts on individual or multiple open websites, with options for delayed execution.
Inferred · not functionally tested
Overview
6 featuresPurpose: Injecting and managing custom JavaScript on websites without manually editing page source.
Inferred · not functionally tested
Audience: Firefox users and web developers
Inferred · not functionally tested
Functions: Unknown
Interfaces: API: unknown · MCP: unknown · CLI: unknown · Self-hosting: unknown
Recorded constraints: pricing: free · license: Proprietary · 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.
In the Browser DevTools & extensions space, Script Injector takes a focused approach. Inferred · not functionally tested: It focuses on injecting and managing custom JavaScript on websites without manually editing page source. Inferred · not functionally tested: Script Injector is a consumer product aimed at firefox users and web developers. Basis unknown · not verified: Script Injector is free to use. Basis unknown · not verified: Script Injector is available on the web and embeddable surfaces.
Behind Script Injector is Happy Code Time, and it first shipped in 2020. Inferred · not functionally tested: Among its 6 catalogued features are custom script injection, script editor, and script deletion. 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
- Custom script injection
- Script editor
- Script deletion
- Script export
- Delayed execution
- Multi-tab injection
Topics: Inferred · not functionally tested
Built with & integrations
Trust & compliance
Indexing history
1What PulseGate has recorded for this listing
Frequently asked questions about Script Injector
- What does Script Injector do?
- Inferred · not functionally tested: Script Injector focuses on injecting and managing custom JavaScript on websites without manually editing page source. It is catalogued under Browser DevTools & extensions on PulseGate.
- Who should use Script Injector?
- Inferred · not functionally tested: Script Injector is a consumer product built for firefox users and web developers.
- Is Script Injector free?
- Basis unknown · not verified: Yes — Script Injector is free to use.
- What platforms does Script Injector run on?
- Basis unknown · not verified: Script Injector runs on the web and embeddable surfaces.
- Is Script Injector still active?
- PulseGate's liveness check found it on 18 Oct 2026.
- What are alternatives to Script Injector?
- Similar projects tracked by PulseGate include JS Injector, Script Runner, and CSS/JS Inject.JS InjectorScript RunnerCSS/JS Inject
- Who makes Script Injector?
- Script Injector is developed by Happy Code Time.
- How long has Script Injector been around?
- Script Injector first shipped in 2020.
Similar projects
Closest matches by what these projects do