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Preview of Game Library Checker

Game Library Checker by FireGilles

Check if you own a game across Steam, GOG, and Epic. Shows GeForce NOW availability.

ExperimentalExperimental
Available on Firefox for Android™Available on Firefox for Android™
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Extension Metadata

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About this extension
Already own the game? Highlight, right click, check.
Select any text on the web to see if it's in your Steam, GOG, or Epic library.

One library across every store.
Search what you own on Steam, GOG, and Epic, and see what's on GeForce NOW.
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Permissions and data

Optional permissions:

  • Access your data for steamcommunity.com
  • Access your data for embed.gog.com
  • Access your data for www.epicgames.com
  • Access your data for store.epicgames.com
  • Access your data for accounts.epicgames.com
  • Access your data for store.steampowered.com
  • Access your data for static.nvidiagrid.net
  • Access your data for games.geforce.com
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Version
1.11.0
Size
43.72 KB
Last updated
a day ago (Jun 30, 2026)
Related Categories
  • Games & Entertainment
License
All Rights Reserved
Version History
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