Custom Element Counter by Magoyor
Count any DOM elements on any website using CSS selectors or XPath. Background auto‑refresh, toolbar badge, shadow DOM support.
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About this extension
This add‑on lets you count DOM elements on any webpage using a CSS selector or an XPath expression.
Features:
- Count elements with CSS selector or XPath
- Auto‑refresh in the background with adjustable interval
- Toolbar badge shows the count (0–999, then 1k‑99k, then ∞)
- Optional Shadow DOM traversal (needed for modern web components)
- Save up to 5 presets for quick access
- Works on all websites – no data collection, no external requests
⚠️ No maintenance: This add‑on was created for personal use and is published as‑is. I do not provide updates, bug fixes, or support. Use at your own risk.
Source code: https://github.com/Magoyor/custom-element-counter-addon
Features:
- Count elements with CSS selector or XPath
- Auto‑refresh in the background with adjustable interval
- Toolbar badge shows the count (0–999, then 1k‑99k, then ∞)
- Optional Shadow DOM traversal (needed for modern web components)
- Save up to 5 presets for quick access
- Works on all websites – no data collection, no external requests
⚠️ No maintenance: This add‑on was created for personal use and is published as‑is. I do not provide updates, bug fixes, or support. Use at your own risk.
Source code: https://github.com/Magoyor/custom-element-counter-addon
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Permissions and data
Required permissions:
- Access your data for all websites
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 1.2.0
- Size
- 15.56 KB
- Last updated
- 4 days ago (May 13, 2026)
- Related Categories
- License
- MIT License
- Version History
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