Augmented Steam v4.2.1 
Augmented Steam is a browser extension by IsThereAnyDeal that improves your experience on the Steam platform by providing helpful information and tons of customization options.
Some selected features:
- Price details (current best, historical low) for any game or DLC sourced from many authorized stores
- More visible highlighting of games you own or have wishlisted or ignored (also works with your IsThereAnyDeal Waitlist and Collection!)
- Fine-tuned product search with search filters such as review count / score and Early Access
- Sort and filter options for the market, games, friends, groups, achievements, badges and reviews
- Links to popular websites with additional related information, plus the ability to add your own custom links
- Quick / Instant Sell items in your inventory
- Custom profile backgrounds and styles, visible to all users of Augmented Steam
- Take and store notes about any game
- Maximize information relevance by hiding unwanted content blocks from app pages or the homepage
- Automatically skip age gates for NSFW content
- Batch actions for various scenarios, e.g. registering multiple product keys or adding multiple DLCs to your cart at once
- And many more!
Augmented Steam is a fork and spiritual successor of Enhanced Steam, which has come to its end of life in February 2019.