Firefox Addons Scraper — Extension Metadata & User Analytics Extractor

Extract comprehensive metadata, ratings, user statistics, and category data for Firefox extensions using the official Mozilla Addons API. This Actor retrieves addon names, descriptions, ratings, daily active user counts, version information, and category tags. Perfect for browser extension research, competitive analysis, and marketplace monitoring.

Use Cases

• Extension Research — Discover popular Firefox addons, compare ratings and user counts, and analyze feature descriptions across categories like privacy, productivity, and shopping.
• Competitive Analysis — Track competitor extensions, monitor their update frequency, user growth, and review sentiment to inform product decisions.
• Marketplace Monitoring — Stay informed about new releases, trending categories, and top-rated extensions in specific niches like ad blockers, password managers, or VPN tools.
• Security Auditing — Identify extensions with high user counts but low ratings, flag payment-required addons, and review update cadence for trust assessment.
• Product Development — Research successful extension patterns, analyze tag usage, and study category distributions to guide your own Firefox extension strategy.

Input

Field	Type	Required	Description
searchQuery	String	No	Optional keyword to search addons by name or description (e.g., "password", "adblock", "vpn")
maxItems	Integer	No	Maximum addons to extract (default: 100, max: 1000)
sortBy	String	No	Sort results by: users, rating, created, updated, name, or downloads (default: users)
category	String	No	Filter by Firefox addon category (e.g., "privacy-security", "shopping", "productivity")
proxyConfiguration	Object	No	Proxy configuration for requests

Output

The Actor outputs a dataset with the following fields for each addon:

{
  "name": "Bitwarden Password Manager",
  "slug": "bitwarden-password-manager",
  "authors": ["Bitwarden Inc."],
  "averageDailyUsers": 966907,
  "rating": 4.5991,
  "reviewCount": 3086,
  "categories": ["privacy-security"],
  "description": "At home, at work, or on the go, Bitwarden easily secures all your passwords...",
  "summary": "A secure and free password manager for all of your devices.",
  "version": "2026.5.1",
  "type": "extension",
  "tags": ["password-manager", "security"],
  "weeklyDownloads": 20929,
  "iconUrl": "https://addons.mozilla.org/user-media/addon_icons/735/735894-64.png",
  "url": "https://addons.mozilla.org/en-US/firefox/addon/bitwarden-password-manager/",
  "homepage": "https://bitwarden.com",
  "created": "2016-09-23T10:26:24Z",
  "lastUpdated": "2026-06-12T15:14:11Z",
  "status": "public",
  "requiresPayment": false
}

Pricing

Pay per event: $0.001 per addon extracted.

Limitations

• The Mozilla Addons API returns a maximum of 50 results per page. Large maxItems values require multiple API calls.
• The API is public and does not require authentication, but rate limits apply. The Actor includes retries and graceful backoff.
• Some fields may be null if the addon author has not provided them (e.g., description, homepage).
• Category filtering uses Mozilla's internal category names. Use the search query for broader discovery.

FAQ

Q: Can I extract all Firefox addons at once? A: The Mozilla API supports pagination up to a large number of results. Set maxItems to 1000 to get the most popular addons. For comprehensive extraction, run multiple searches with different keywords.

Q: Do I need a proxy? A: No, the Mozilla Addons API is public and does not require authentication or proxy. However, you can configure a proxy if your network requires it.

Q: What categories are available? A: Common categories include: privacy-security, shopping, productivity, themes, search-tools, appearance, feeds-news-blogging, bookmarks, download-management, photos-music-videos, social-communication, tabs, web-development, and others.

Changelog

• v1.0.0 — Initial release with full extension metadata, ratings, user statistics, and category filtering