Substly Extension

Security at a glance

Low riskSafety score 97/1003 findings

Describes the Firefox listing; other stores are scanned separately and can score differently. Automated estimate from our latest scan (malware, permissions, obfuscation) — not a security audit. Higher safety score is better.

See the full security report

Firefox listing ID: substly-extension

Permissions (7)

  • Execute scripts in pages
  • Access all HTTPS sites
  • Access all HTTP sites

Frequently asked questions

Is Substly Extension safe to use?

Our latest automated scan rates the Firefox listing of Substly Extension at 97/100 (low risk) — malware, permission and obfuscation checks combined. The full report lists every finding behind the number.

What permissions does Substly Extension require?

Substly Extension requests 7 permissions. The most significant: Execute scripts in pages, Access all HTTPS sites, Access all HTTP sites. See the full breakdown in the security report.

Who develops Substly Extension?

Substly Extension is published by Substly. Impersonators copy popular extension names, so always verify the developer line and listing id on the store page before installing.