ProtonDB for Steam

Adds the ProtonDB rating to games in the Steam store so you get an idea of how it will run before you buy it!
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ProtonDB for Steam is a handy Chrome extension that adds ProtonDB ratings directly to Steam game pages. This allows Linux gamers to quickly assess how well a game will run using Proton before purchasing. The extension displays Proton compatibility badges alongside native Linux availability, offering a seamless way to make informed game buying decisions.

Built on manifest v3, ProtonDB for Steam requires optional permissions to access protondb.com and store.steampowered.com for fetching ratings data. The project is open-source and available on GitHub, with credits to MostwantedRBX for founding it. Ideal for gamers seeking Linux compatibility info on Steam, this extension enhances the browsing experience with essential ProtonDB insights.

Manifest V3 Add-on Games Productivity Open Source
By:
Software Fusion
Daily users:
307 10
Rating:
5.00
(5)
Version:
1.6.3 Last updated: 2023-03-27
Version code:
5545135
Creation date:
2022-01-16
Risk:
Moderate risk impact Low risk likelihood
Host permissions:
  • https://www.protondb.com/*
Size:
41.08K
Email:
in*****@vincentvansetten.com
URLs:
Website
Full description:
See detailed description
Source:
Firefox Browser Add-ons
Updated:
13 hours ago

Ranking

# 5,852 ▲ 138
Other rankings
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Other platforms

ProtonDB for Steam (v1.6.2)
5,000 4.92 (12)
ProtonDB for Steam (v1.5)
674 5.00 (1)

User reviews

by Ca*****, 2025-05-18
Brilliant. Tight integration with Steam and gives me what I need to know at a glance.
by Ln*****, 2023-09-11
View all user reviews ›

Extension safety

Risk impact

ProtonDB 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

ProtonDB for Steam has earned a fairly good reputation and likely can be trusted.

Risk likelihood analysis details
  • High This extension has low user count. Unpopular extensions may not be stable or safe.
  • Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
  • Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
  • Good **** ********* *** **** **** *******
Upgrade to see full risk analysis details

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