WebHarvest Pro — Chrome Extension Source Code for Structured Data Extraction

WebHarvest Pro is a Chrome extension source code package for structured data extraction from web pages.

Open any web page, select a preset template (or define your own CSS selectors), preview the extracted data, and export to CSV or JSON — all within your browser.

15 Preset Templates:

- Google Search: Title, URL, Snippet

- Bing Search: Title, URL, Snippet

- Amazon: Product name, Price, Rating, ASIN

- eBay: Title, Price, URL, Bid count

- AliExpress: Title, Price, Orders, Rating

- Etsy: Title, Price, Shop, URL

- YouTube: Title, Channel, Views, URL

- Reddit: Title, Score, Comments, URL

- GitHub: Repo name, Stars, Description, Language

- StackOverflow: Question, Votes, Answers, Tags

- News Articles: Headline, Author, Date, URL

- LinkedIn: Content, Author, Role

- X (Twitter): Tweet, Author, Time

- IMDb: Title, Rating, Year, URL

- Custom: Define your own selectors

Key Features:

- Preview before extract — see exactly what will be exported

- Custom field mapping — add/remove/rename any field

- CSV & JSON export — opens directly in Excel

- Disclaimer-protected — 3-layer legal protection

- Full source code — customize templates for any website

- No server, no tracking — all processing happens in your browser

⚠️ This tool is intended for educational and research purposes only. Users must comply with all applicable laws and website Terms of Service. The author assumes no liability for misuse.

What you get:

- Complete Chrome extension source code (load unpacked)

- 15 template definition files

- Installation guide

- Bilingual (EN/CN) legal disclaimer