CrossOver Compat for Steam Firefox

CrossOver Compat for Steam

Displays CrossOver compatibility info on Steam game pages
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CrossOver Compat for Steam
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Features & Capabilities

CrossOver Compat for Steam is a Firefox extension designed for macOS gamers who use CrossOver to run WinCrossOver Compat for Steam is a Firefox extension designed for macOS gamers who use CrossOver to run Windows games. When browsing the Steam store, this extension automatically displays compatibility information from the CodeWeavers CrossOver compatibility database directly on game pages.

The extension works seamlessly in the background. When you visit a Steam game page, it automatically extracts the game name and queries the CrossOver compatibility database. It then displays a clean, Steam-themed widget showing the macOS compatibility rating and status. The widget also lists recent CrossOver version ratings (up to 3), helping users understand which CrossOver versions work best with specific games.

Built with Firefox's Manifest V3, the extension uses a content script to inject the compatibility widget into Steam pages and a background script to handle API calls securely. This architecture ensures minimal performance impact while providing valuable information that helps macOS users make informed purchasing decisions about Windows-only games on Steam. dows games. When browsing the Steam store, this extension automatically displays compatibility information from the CodeWeavers CrossOver compatibility database directly on game pages.

The extension works seamlessly in the background. When you visit a Steam game page, it automatically extracts the game name and queries the CrossOver compatibility database. It then displays a clean, Steam-themed widget showing the macOS compatibility rating and status. The widget also lists recent CrossOver version ratings (up to 3), helping users understand which CrossOver versions work best with specific games.

Built with Firefox's Manifest V3, the extension uses a content script to inject the compatibility widget into Steam pages and a background script to handle API calls securely. This architecture ensures minimal performance impact while providing valuable information that helps macOS users make informed purchasing decisions about Windows-only games on Steam.

User Growth & Download Statistics

Manifest V3 Add-on
By:
Bitsbaker
Daily users:
7 1
Rating:
5.00
(1)
Version:
1.0.1 Last updated: 2025-12-12
Version code:
6093964
Creation date:
2025-12-08
Risk:
Moderate risk impact Moderate risk likelihood
Host permissions:
  • https://store.steampowered.com/*
  • https://www.codeweavers.com/*
  • https://www.protondb.com/*
Content scripts matches:
  • store.steampowered.com
Size:
47.02KB
Full description:
See detailed description
Source:
Firefox Add-ons Store
Data ingested on:
2026-07-11
Compare stats and ranking:

Ranking

# 36,824 ▲ 2,280
Other rankings
#104 in steam keyword 50 ▲ 3#185 in compare keyword 12 ▲ 14

For Developers

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Contact the developer

Chrome-Stats does not own this Firefox add-on. Please use these information below to contact the Firefox add-on developer.
Developed by:
Bitsbaker
Firefox Add-ons Store
https://addons.mozilla.org/firefox/addon/crossover-compat-for-steam/

Is CrossOver Compat for Steam Safe?

Risk impact
Risk impact measures the level of extra permissions an extension has access to. A low risk impact extension cannot do much harms, whereas a high risk impact extension can do a lot of damage like stealing your password, bypassing your security settings, and accessing your personal data. High risk impact extensions are not necessarily malicious. However, if they do turn malicious, they can be very harmful.

CrossOver Compat for Steam requires a few sensitive permissions. Exercise caution before installing.

Risk impact analysis details
  • High Injects scripts into web pages, which may alter or extract site contents, resulting in a substantial risk.
  • High ******* ****** ** *** ********* ******** ***************** **************** ************
Risk likelihood
Risk likelihood measures the probability that a Firefox add-on may turn malicious. This is determined by the publisher and the Firefox add-on reputation on Firefox Add-ons Store, the amount of time the Firefox add-on has been around, and other signals about the Firefox add-on. Our algorithms are not perfect, and are subject to change as we discover new ways to detect malicious extensions. We recommend that you always exercise caution when installing a Firefox add-on.

CrossOver Compat for Steam is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.

Risk likelihood analysis details
  • High This extension has low user count. Unpopular extensions may not be stable or safe.
  • Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
  • Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
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