Following NameFollowing UsernameFollowing PhotoFollowing Profile URL
Available Add-ons
Extend your scraper with powerful add-ons.
Batch URL Opener
Open and scrape multiple URLs in one go. Add URLs manually or auto-collect them from a list page, then batch-process and export all results.
Page Watcher
Track changes on any page and get notified instantly. Set conditions on fields you care about and receive alerts via webhook or ntfy.sh when something changes.
Screenshots
All Fields
About Mercari Scraper
Mercari Data Scraper and Monitoring Tool
This extension allows you to extract product listings, seller profiles, and reviews directly from Mercari. It automates the process of gathering public data from search results and category pages, providing a streamlined way to save information locally to your device.
The tool operates directly in your browser to capture real-time information from the marketplace. It includes automated navigation features to handle multiple pages of results without manual intervention.
Key Features
✓ Extracts data from product listings, details, and seller profiles
✓ Supports multiple export formats for local saving
✓ Automatic pagination for multi-page scraping
✓ Support for specialized monitoring add-ons
✓ Customizable formatting and conditional field selection
What Data You Can Extract
The extension captures a wide range of data points across different categories:
Products in a List: Title, Price, Status, Category, Brand, Size, Condition, Seller ID/URL, Photo URL, and Source.
Product Details: Full description, Original Price, Shipping Details (Payer, Class, Fee), Package Dimensions, Seller Ratings, Sales Count, and Likes.
Seller Profiles: Introduction, Join Date, Items/Sales Count, Follower/Following counts, Verification Status (SMS, Email, Facebook), and KYC Status.
Reviews & Social: Seller reviews, reviewer names, feedback tags, and lists of followers or following users.
Add-ons
Enhance the core functionality with specific monitoring and automation tools:
- Product Details from Listings: Automatically opens individual products from search results to extract deep descriptions and seller info.
- New Listings Alert: Monitors search or category pages and sends notifications when new items matching your criteria appear.
- Product Details Monitor: Tracks specific product pages for changes in status, price, or information.
- New Seller Reviews Alert: Monitors seller profiles for incoming feedback and buyer reviews.
- Seller Profile Monitor: Watches for changes in a seller’s ratings, follower counts, or verification status.
Export Format Support
Save your extracted data locally in CSV, Excel (XLSX), JSON, HTML Table, or Raw JSON formats.
Supported Regions
This extension is designed for use on the Mercari US marketplace (mercari.com).
Technical Support
For questions or assistance, please contact our team at hello@nifty.codes.
Privacy & Security
All scraping and data exports are processed locally on your machine. No data beyond general metrics is sent to external servers.
Disclaimer: This extension is an independent tool and is not affiliated with, endorsed by, or sponsored by Mercari.