Is Nb Safe? Trust Analysis 2026

Nerq Trust Intelligence

Is Nb Safe?

Use Nb with some caution. Nb is a Firefox add-on with a Nerq Trust Score of 50.5/100 (C-), based on 3 independent data dimensions. It is 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: 2026-03-25. Machine-readable data (JSON).

Is Nb safe?

CAUTION — Nb 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.

Trust Score Breakdown

Security

90

Popularity

15

Key Findings

✓Security score: 90/100 (strong)

⚠Popularity: 15/100 — Firefox Add-ons

Details

Author	nblocker
Category	firefox
Source	N/A

Nb Across Platforms

Same developer/company in other registries:

Safety Guide: Nb

What is Nb?

Nb is a Firefox add-on — This extension blocks NHK's websites. NHKのWebサイトをブロックします。.

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=NB

Key Safety Concerns for Firefox add-ons

When evaluating any Firefox add-on, watch for: excessive permissions, data harvesting.

Trust Assessment

Nb 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

Nb 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 Nb safe?

Use with some caution. NB has a Nerq Trust Score of 50.5/100 (C-). Strongest signal: security (90/100). Score based on security (90/100), popularity (15/100).

What is Nb's trust score?

NB: 50.5/100 (C-). Score based on: security (90/100), popularity (15/100). Scores update as new data becomes available. API: GET nerq.ai/v1/preflight?target=NB

What are safer alternatives to Nb?

In the firefox category, more Firefox add-ons are being analyzed — check back soon. NB scores 50.5/100.

What permissions does Nb need?

Review Nb's requested permissions carefully. Extensions requesting 'Read and change all data on all websites' carry the highest risk. Current trust score: 50.5/100.

Is Nb open source?

Check Nb's listing for source code availability. Open-source Firefox add-ons can be independently audited. Trust score: 50.5/100.

API: /v1/preflight Trust Badge API Docs

Disclaimer: Nerq trust scores are automated assessments based on publicly available signals. They are not endorsements or guarantees. Always conduct your own due diligence.