Blister - Brand Watch

Tracking since May 1, 2026.

Changelog

• May 1, 2026
  description

  (B)lister is a shopping alert extension that helps you make more informed purchasing decisions by tracking websites and brands you want to be mindful about. Create custom lists of domains, brands, or product names, and receive notifications when you visit those websites or when specific brands are mentioned on popular shopping sites. Perfect for consumers who want to align their shopping with their personal values, avoid certain companies, or simply be more conscious about where they spend their money. The extension features multiple customizable lists that can be enabled independently, allowing you to organize different categories based on your preferences and purchasing decisions.
  
  The extension's key features include:
  - Custom lists of websites and brands to track
  - Instant alerts when visiting tracked websites
  - Notifications when listed brands appear on major shopping platforms
  - Multiple list management for different categories
  - Simple and clean user interface for easy monitoring

  Blister is a shopping awareness extension that helps you make more informed purchasing decisions by highlighting brands and retailers that matter to you.
  
  Create custom lists of brands or companies you want to track, and Blister will alert you when those names appear on shopping-related pages across popular online stores. Whether you want to support certain companies, avoid others, or simply stay more mindful while browsing, Blister provides subtle, real-time insights as you shop.
  
  The extension automatically checks major shopping sites and can also analyze any page on demand. When matches are found, Blister displays a small on-page alert and a badge indicator so you can quickly see which brands from your lists are present.
  
  Perfect for consumers who want to align their shopping habits with their values, stay informed, and make more intentional purchasing decisions.
  
  Key features:
  Create multiple customizable lists of brands and retailers
  Automatically detect matches on major shopping sites
  Manually check any page with a single click
  Subtle in-page alerts and badge indicators
  Simple and clean interface for managing your lists

• May 1, 2026
  short_description

  Alerts you when browsing specific URLs or products from your custom lists.

  Alerts you when brands or retailers from your custom lists appear on shopping pages.

• May 1, 2026
  name

  (B)lister - Shopping Alert Extension

  Blister - Brand Watch

• May 1, 2026
  host_permissions

  <all_urls>

  *://*.amazon.com/*, *://*.walmart.com/*, *://*.target.com/*, *://*.homedepot.com/*, *://*.ebay.com/*, *://*.bestbuy.com/*, *://*.lowes.com/*, *://*.wayfair.com/*, *://*.etsy.com/*, *://*.costco.com/*, *://*.newegg.com/*

• May 1, 2026
  permissions

  storage, notifications

  storage, activeTab, scripting

Permissions & access

Permissions

storageactiveTabscripting

Host access

*://*.amazon.com/*, *://*.walmart.com/*, *://*.target.com/*, *://*.homedepot.com/*, *://*.ebay.com/*, *://*.bestbuy.com/*, *://*.lowes.com/*, *://*.wayfair.com/*, *://*.etsy.com/*, *://*.costco.com/*, *://*.newegg.com/*

Screenshots

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