eBay Link Cleaner

A tiny and focused UserScript (for Violentmonkey/Tampermonkey) that converts eBay product-page links under /p/... that contain an ?iid= parameter into canonical item links under /itm/.... It preserves your current regional eBay domain (like .com, .de, .co.uk) and runs at document-start to avoid loading the heavier product page.

Features

• Automatically redirects from product pages like /p/…?iid=123456789012 to /itm/123456789012
• Preserves protocol and regional domain (e.g., https://www.ebay.de remains https://www.ebay.de)
• Validates the iid parameter to avoid bad redirects
• Uses location.replace so your browser history won’t be cluttered
• Runs at document-start for instant effect

Installation

Option A — One‑click via raw URL (recommended)

1. Install Violentmonkey (recommended) or Tampermonkey.
2. Open this raw install/update URL in your browser and confirm the installation: https://raw.githubusercontent.com/IceCuBear/EBayLinkCleaner/refs/heads/main/EBayLinkCleaner.user.js

Option B — Manual

1. Install Violentmonkey or Tampermonkey.
2. Create a new userscript and paste the contents of EBayLinkCleaner.user.js.
3. Save and enable the script.

Usage

Just browse eBay as usual. When you land on a product page under /p/... that includes an ?iid= parameter, the script will immediately redirect you to the direct item URL under /itm/<iid> while keeping your current regional eBay domain.

Examples:

• https://www.ebay.com/p/11223344?iid=112233445566 → https://www.ebay.com/itm/112233445566
• https://www.ebay.de/p/11223344?iid=112233445566 → https://www.ebay.de/itm/112233445566

Notes

• The script performs a simple sanity check on the iid (digits only, reasonable length). If the parameter is missing or invalid, no redirect occurs.
• Redirection uses window.location.replace(...) to avoid leaving the /p/ URL in your back‑history.
• The script is intentionally minimal — no storage, no UI, no grants.

License

Licensed under the GNU AGPLv3.

You are free to use, modify, and share this software under the terms of the AGPLv3. If you run a modified version as a network service, the AGPL requires that you make your modified source code available to users interacting with that service. Contributions and pull requests are welcome.