Is Bitwarden Password Manager Safe?
Use Bitwarden Password Manager with some caution. Bitwarden Password Manager is a Firefox add-on with a Nerq Trust Score of 57.2/100 (C), based on 3 independent data dimensions. It is below the recommended threshold of 70. Security: 90/100. Popularity: 60/100. Data sourced from addons.mozilla.org metadata, permissions analysis, and source code availability. Last updated: 2026-03-25. Machine-readable data (JSON).
Is Bitwarden Password Manager safe?
CAUTION — Bitwarden Password Manager has a Nerq Trust Score of 57.2/100 (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.
Trust Score Breakdown
Key Findings
Details
| Author | Bitwarden Inc. |
| Category | firefox |
| Source | N/A |
Bitwarden Password Manager Across Platforms
Same developer/company in other registries:
Safety Guide: Bitwarden Password Manager
What is Bitwarden Password Manager?
Bitwarden Password Manager is a Firefox add-on — At home, at work, or on the go, Bitwarden easily secures all your passwords, passkeys, and sensitive information..
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=Bitwarden Password Manager
Key Safety Concerns for Firefox add-ons
When evaluating any Firefox add-on, watch for: excessive permissions, data harvesting.
Trust Assessment
Bitwarden Password Manager has a Nerq Trust Score of 57/100 (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
- Bitwarden Password Manager has a Trust Score of 57/100 (C).
- Review carefully before use — below trust threshold.
- Always verify independently using the Nerq API.
Detailed Score Analysis
| Dimension | Score |
|---|---|
| Security | 90/100 |
| Privacy | 90/100 |
| Reliability | 60/100 |
| Transparency | 60/100 |
| Maintenance | 60/100 |
Based on 5 dimensions. Data from addons.mozilla.org metadata, permissions analysis, and source code availability.
What data does Bitwarden Password Manager collect?
Bitwarden Password Manager has a privacy score of 90/100. Review the documentation and privacy policy for data handling details.
Full analysis: Bitwarden Password Manager Privacy Report · Privacy review
Is Bitwarden Password Manager secure?
Security score: 90/100. This meets the recommended security threshold for production use.
Nerq monitors this entity against NVD, OSV.dev, and registry-specific vulnerability databases for ongoing security assessment.
Full analysis: Bitwarden Password Manager Security Report
Bitwarden Password Manager across platforms
Same developer/company in other registries:
How we calculated this score
Bitwarden Password Manager's trust score of 57.2/100 (C) is computed from addons.mozilla.org metadata, permissions analysis, and source code availability. The score reflects 5 independent dimensions: security (90/100), privacy (90/100), reliability (60/100), transparency (60/100), maintenance (60/100). 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.
This page was last reviewed on March 25, 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 assessments based on publicly available signals. They are not endorsements or guarantees. Always conduct your own due diligence.