# ProtonDB Companion

> Displays ProtonDB compatibility tiers (Native, Platinum, Gold, etc.) directly on Steam and Epic Games store pages. Essential tool for Steam Deck and Linux gamers to check game compatibility before buying.

Canonical page: [https://chrome-stats.com/d/protondb-companion](https://chrome-stats.com/d/protondb-companion)

## Overview

- **ID:** `protondb-companion`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Melih AK
- **Category:** search-tools,games-entertainment
- **Daily users:** 6
- **Version:** 1.0.0
- **Last updated:** 2025-11-22
- **First published:** 2025-11-19
- **Size:** 26 KB
- **Data as of:** 2026-09-14
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/protondb-companion/)
- **Website:** [https://github.com/m24ih/ProtonDB\_Companion](https://github.com/m24ih/ProtonDB_Companion)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/protondb-companion/privacy/](https://addons.mozilla.org/firefox/addon/protondb-companion/privacy/)

## Description

ProtonDB Companion integrates ProtonDB compatibility reports directly into your browser's game store pages.

Features:

🎮 Steam Integration: Automatically shows ProtonDB badges on game pages and search results.

🛍️ Epic Games Support: Matches titles to Steam AppIDs to display compatibility info on the Epic Store.

🚀 Performance: Uses local caching to minimize API requests and load pages faster.

🎨 Visual Clarity: Badges are color-coded matching the official ProtonDB tier colors.

Disclaimer: This extension is an open-source project and is not affiliated with Valve, Steam, Epic Games, or ProtonDB.

## Rankings

- #42,483 — Overall
- #191 — company
- #209 — compare

## Permissions and access

### Permissions

- `storage`

### Host permissions

- `https://www.protondb.com/*`
- `https://store.steampowered.com/*`

### Content script matches

- `store.steampowered.com`
- `store.epicgames.com`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- Request access to the following domains: steampowered.com, epicgames.com, protondb.com
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

## Similar extensions and apps

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- [ProtonDB for Steam](https://chrome-stats.com/d/protondb-for-steam) — 3,713 users, 4.84 / 5
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- [ProtonDB Peek](https://chrome-stats.com/d/protondb-peek) — 142 users, 4.00 / 5
- [ProtonDB for Steam](https://chrome-stats.com/d/pndb) — 1 users
- [Show Great on Deck on Steam](https://chrome-stats.com/d/show-great-on-deck-on-steam) — 439 users, 4.71 / 5
- [ProtonDB scraper](https://chrome-stats.com/d/complprotondb-for-steam) — 3 users
- [Deck Compatibility Display](https://chrome-stats.com/d/deck-compatibility-display) — 3 users
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- [SteamDB](https://chrome-stats.com/d/steam-database) — 115,112 users, 4.81 / 5

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Source: [Chrome-Stats](https://chrome-stats.com/d/protondb-companion)