Is Keepassxc Browser Safe?
Keepassxc Browser — Nerq Trust Score 55.0/100 (C grade). Score based on 2 independent trust signals. Last analyzed: 2026-04-12
Keepassxc Browser is a Firefox extension with a Nerq Trust Score of 55.0/100 (C), based on 3 independent data dimensions. Last analyzed: 2026-04-12 Security: 90/100. Popularity: 45/100. Data sourced from addons.mozilla.org metadata, permissions analysis, and source code availability. Last updated: 2026-04-12. Machine-readable data (JSON).
Is Keepassxc Browser safe?
Trust Score Breakdown — Keepassxc Browser has a Nerq Trust Score of 55.0/100 (C). Measured across 2 independent trust signals (as of 2026-04-12).
What is Keepassxc Browser's trust score?
Keepassxc Browser has a Nerq Trust Score of 55.0/100, 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 Keepassxc Browser?
Keepassxc Browser's strongest signal is security at 90/100. No known vulnerabilities have been detected.
What is Keepassxc Browser and who maintains it?
| Author | KeePassXC Team |
| Category | Firefox Add-ons |
| Source | N/A |
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Safety Guide: Keepassxc Browser
What is Keepassxc Browser?
Keepassxc Browser is a Firefox add-on — Official browser plugin for the KeePassXC password manager (https://keepassxc.org)..
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=KeePassXC-Browser
Key Safety Concerns for Firefox add-on
When evaluating any Firefox add-on, watch for: excessive permissions, data harvesting.
Measured Signals
Keepassxc Browser has a Nerq Trust Score of 55/100 (C). This score is a composite of automated measurements of security, maintenance, community, and quality signals.
Key Takeaways
- Keepassxc Browser has a Trust Score of 55/100 (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.
Detailed Score Analysis
| Dimension | Score |
|---|---|
| Security | 90/100 |
| Maintenance | 50/100 |
| Popularity | 45/100 |
| Quality | 40/100 |
| Community | 35/100 |
Based on 5 dimensions. Data from addons.mozilla.org metadata, permissions analysis, and source code availability.
What data does Keepassxc Browser collect?
Keepassxc Browser has a privacy score of 90/100. Review the documentation and privacy policy for data handling details.
Full analysis: Keepassxc Browser Privacy Report · Privacy review
Is Keepassxc Browser secure?
Security score: 90/100 (0-100, higher = fewer measured security issues).
Nerq monitors this entity against NVD, OSV.dev, and registry-specific vulnerability databases for ongoing security assessment.
Full analysis: Keepassxc Browser Security Report
How we calculated this score
Keepassxc Browser's trust score of 55.0/100 (C) is computed from addons.mozilla.org metadata, permissions analysis, and source code availability. The score reflects 5 independent dimensions: security (90/100), maintenance (50/100), popularity (45/100), quality (40/100), community (35/100). Each dimension is weighted equally to produce the composite trust score.
Nerq analyzes over 7.5 million entities across 26 registries using the same methodology, enabling direct cross-entity comparison. Scores are updated continuously as new data becomes available.
Signals last measured on April 12, 2026. Data version: 1.0.
Full methodology documentation · Machine-readable data (JSON API)
Frequently Asked Questions
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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.