Content Sync Service extension

Security at a glance

Some riskSafety score 75/10019 findings

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: content-sync-service

Permissions (5)

  • Access to all websites
  • Observe web requests
  • Block and modify web requests

Frequently asked questions

Is Content Sync Service safe to use?

Our latest automated scan rates the Firefox listing of Content Sync Service at 75/100 (some risk) — malware, permission and obfuscation checks combined. The full report lists every finding behind the number.

What permissions does Content Sync Service require?

Content Sync Service requests 5 permissions. The most significant: Access to all websites, Observe web requests, Block and modify web requests. See the full breakdown in the security report.

Who develops Content Sync Service?

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