Opal DevTools extension

Security at a glance

Some riskSafety score 70/10021 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: opal-devtools

Permissions (2)

  • Developer tools

Frequently asked questions

Is Opal DevTools safe to use?

Our latest automated scan rates the Firefox listing of Opal DevTools at 70/100 (some risk) — malware, permission and obfuscation checks combined. The full report lists every finding behind the number.

What permissions does Opal DevTools require?

Opal DevTools requests 2 permissions. The most significant: Developer tools. See the full breakdown in the security report.

Who develops Opal DevTools?

Opal DevTools is published by stofu1234. Impersonators copy popular extension names, so always verify the developer line and listing id on the store page before installing.