Is Thumbnailcopy Safe?
Thumbnailcopy — Nerq Trust Score 50.5/100 (C- grade). Based on analysis of 2 trust dimensions, it is has notable safety concerns. Last updated: 2026-08-03.
Use Thumbnailcopy with some caution. Thumbnailcopy is a Firefox extension with a Nerq Trust Score of 50.5/100 (C-), based on 3 independent data dimensions. Below the recommended threshold of 70. Security: 90/100. Popularity: 15/100. Data sourced from addons.mozilla.org metadata, permissions analysis, and source code availability. Last updated: 2026-03-22. Machine-readable data (JSON).
Is Thumbnailcopy safe?
CAUTION — Thumbnailcopy has a Nerq Trust Score of 50.5/100 (C-). It has moderate trust signals but shows some areas of concern that warrant attention. Suitable for development use — review security and maintenance signals before production deployment.
What is Thumbnailcopy's trust score?
Thumbnailcopy has a Nerq Trust Score of 50.5/100, earning a C- grade. This score is based on 2 independently measured dimensions including security, maintenance, and community adoption.
What are the key security findings for Thumbnailcopy?
Thumbnailcopy's strongest signal is security at 90/100. No known vulnerabilities have been detected. It has not yet reached the Nerq Verified threshold of 70+.
What is Thumbnailcopy and who maintains it?
| Author | gregstoll |
| Category | Firefox Add-ons |
| Source | N/A |
Thumbnailcopy Across Platforms
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Safety Guide: Thumbnailcopy
What is Thumbnailcopy?
Thumbnailcopy is a Firefox add-on — An easy way to copy the HTML for an image in a link (like a thumbnail image). Just use the "Copy Image As Link" context menu item. If you're often posting thumbnail images to blogs, etc. this could b.
How to Verify Safety
Review permissions on addons.mozilla.org. Check if source code is available.
You can also check the trust score via API: GET /v1/preflight?target=ThumbnailCopy
Key Safety Concerns for Firefox add-on
When evaluating any Firefox add-on, watch for: excessive permissions, data harvesting.
Trust Assessment
Thumbnailcopy has a Nerq Trust Score of 50/100 (C-) and has not yet reached Nerq trust threshold (70+). This score is based on automated analysis of security, maintenance, community, and quality signals.
Key Takeaways
- Thumbnailcopy has a Trust Score of 50/100 (C-).
- Review carefully before use — below trust threshold.
- Always verify independently using the Nerq API.
Frequently Asked Questions
Is Thumbnailcopy Safe?
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Disclaimer: Nerq trust scores are automated assessments based on publicly available signals. They are not endorsements or guarantees. Always conduct your own due diligence.