New Listing Ding Notifier for Mercari

Tracking since Apr 18, 2026.

Changelog

• Apr 6, 2026
  description

  New Listing Ding Notifier for Mercari helps users discover new items the moment they are listed.
  
  For example: If you search for a specific card and sort it by newest and the ding will go off when items matching those terms is listed. 
  
  This extension automatically refreshes Mercari search pages sorted by "Newest" and plays an audible notification when a new listing appears. It is designed for collectors, resellers, and deal hunters who want to see listings as soon as they go live.
  
  Features:
  • Automatically refreshes Mercari search pages sorted by newest
  • Plays a notification sound when new listings appear
  • Works with any Mercari search query
  • Runs quietly in the background while you browse other tabs
  • Helps you discover deals faster without constantly refreshing
  
  How to use:
  
  1. Open Mercari in your browser
  2. Perform a search and set the sorting option to "Newest"
  3. Leave the tab open
  4. The extension will periodically refresh the page and alert you when new items appear
  
  All processing occurs locally in your browser. The extension does not collect or transmit personal data.
  
  This extension is not affiliated with or endorsed by Mercari.
  
  Read our full TOU before use:
  
  https://streamerhomes.com/new-listing-ding-notifier-for-mercari-tou.html
  
  Note, a ding will occur when listings first load, this is a normal change of state which the extension recognizes.

  New Listing Ding Notifier for Mercari helps users discover new items the moment they are listed.
  
  Step 1: Search for your item on Mercari
  Step 2: Sort by Newest First 
  Step 3: Make sure the topmost cells are showing.
  
  This extension automatically refreshes Mercari search pages sorted by "Newest" and plays an audible notification when a new listing appears. It is designed for collectors, resellers, and deal hunters who want to see listings as soon as they go live.
  
  Features:
  • Automatically refreshes Mercari search pages sorted by newest
  • Plays a notification sound when new listings appear
  • Works with any Mercari search query
  • Runs quietly in the background while you browse other tabs
  • Helps you discover deals faster without constantly refreshing
  
  How to use:
  
  1. Open Mercari in your browser
  2. Perform a search and set the sorting option to "Newest"
  3. Leave the tab open
  4. The extension will periodically refresh the page and alert you when new items appear
  
  All processing occurs locally in your browser. The extension does not collect or transmit personal data.
  
  This extension is not affiliated with or endorsed by Mercari.
  
  Read our full TOU before use:
  
  https://streamerhomes.com/new-listing-ding-notifier-for-mercari-tou.html
  
  Note, a ding will occur when listings first load, this is a normal change of state which the extension recognizes.

Permissions & access

Permissions

alarmstabsstorageoffscreen

Host access

https://www.mercari.com/*

Screenshots

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