Is Quark Safe?
Quark — Nerq Trust Score 50.5/100 (C- grade). Score based on 2 independent trust signals. Last analyzed: 2026-03-22
Quark is a Firefox extension with a Nerq Trust Score of 50.5/100 (C-), based on 3 independent data dimensions. Last analyzed: 2026-03-22 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 Quark safe?
Trust Score Breakdown — Quark has a Nerq Trust Score of 50.5/100 (C-). Measured across 2 independent trust signals (as of 2026-03-22).
What is Quark's trust score?
Quark 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 Quark?
Quark's strongest signal is security at 90/100. No known vulnerabilities have been detected.
What is Quark and who maintains it?
| Author | iridiumblue |
| Category | Firefox Add-ons |
| Source | N/A |
Quark Across Platforms
Same developer/company in other registries:
Similar Firefox by Trust Score
Safety Guide: Quark
What is Quark?
Quark is a Firefox add-on — Download all your Quora answers..
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=QuArk
Key Safety Concerns for Firefox add-on
When evaluating any Firefox add-on, watch for: excessive permissions, data harvesting.
Measured Signals
Quark has a Nerq Trust Score of 50/100 (C-). This score is a composite of automated measurements of security, maintenance, community, and quality signals.
Key Takeaways
- Quark has a Trust Score of 50/100 (C-).
- The score is a measured composite — it is not a suitability judgment. Evaluate the individual signals against your own requirements.
- Query the current measured values via the Nerq API.
Frequently Asked Questions
Is Quark Safe?
What is Quark's trust score?
What are safer alternatives to Quark?
What permissions does Quark need?
Is Quark open source?
Popular in Firefox Add-ons
Browse Categories
See Also
Disclaimer: Nerq trust scores are automated measurements based on publicly available signals. They are not endorsements, verdicts, or guarantees of suitability. Always evaluate the signals against your own requirements.