CryoUtilities includes scripts and utilities for improving performance and managing storage on Steam Deck.
Open source
24 alternativesSteam Extension
Check Proton and Steam Deck compatibility from the Steam Store with this Chrome or Firefox extension.
About Steam Extension
ProtonDB Community Extension is an open source browser extension for Chrome and Firefox that adds ProtonDB compatibility data to Steam. It shows a game's Proton compatibility tier on store pages, in search results, and on app pages, along with Steam Deck verification status.
Users can adjust the line color for each compatibility tier from the extension menu, with choices saved locally. If the colored lines do not appear, permissions must be granted from the Manage Extension tab.
Key features
- Shows ProtonDB compatibility tier on Steam store pages
- Shows Steam Deck verification status on store and app pages
- Displays compatibility tiers in Steam search results
- Customizable line colors for each compatibility tier
- Saves color choices locally through extension menu
- Adds compatibility lines dynamically as ProtonDB data updates
Best for: Linux users who check Proton and Steam Deck compatibility while browsing Steam.
Good for
- Shows compatibility data without leaving Steam pages
- Color preferences are saved locally
- Source code is openly available
Watch out for
- Tier colors may require manually granting permissions to appear
Steam Extension at a glance
- Category
- Gaming › Linux & Mac Gaming
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Platforms
- Linux, Windows
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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Steam Extension FAQ
Where does the extension show compatibility information?
On Steam store pages, in search results, and on game app pages, including tier and Steam Deck verification status.
How do I change tier line colors?
Open the extension menu to adjust the color for each compatibility tier; preferences are saved locally.
How do I install it manually on Chrome?
Download the latest Chrome release from Releases, open chrome://extensions, then drop the zip file onto the page.
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