View full metrics directly on the eBay Seller Hub’s Product Research page — giving you insight into which listing conditions convert buyers, beyond the basic market data eBay provides.

What It Does
- 📈 Neatly displays all existing eBay Research metrics and derivatives in structured, easy-to-read groups
- 📊 Surfaces additional insights by capturing and enriching live eBay research data from the XHR
- 📰 Encourages deeper, more informed decision-making during product research
- 📂 Instantly export all metrics as JSON for backup, tracking, or long-term analysis
- ⚙️ Integrates with the SellThru.net to show you Terapeak data on your listings
Sync with SellThru
Unlock the full power of research and optimization by pairing the extension with SellThru.net. This companion system adds deeper insight and automation features such as:
- 📊 Built in Terapeak data right on your listings
- ☁️ Data caching to reduce load times and enable faster research
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FAQ
Is this extension free?
Yes. The eBay Research Helper extension is completely free to use, with no ads or trackers. For advanced features like research tools and listing management, you can optionally use it on SellThru.net.
Does it work on Firefox?
Not yet. The extension is built using Manifest V3, which Mozilla hasn’t fully supported yet. It works on all Chromium-based browsers like Brave, Edge, and Opera.
What marketplaces are supported?
Currently: eBay.com. International support and multi-platform features are in active development.
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