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Life & fun · August 16, 2026

PageSieve, a web scraping browser extension

PageSieve[1] is a browser extension for scraping data from different websites from within your browser. Currently it's Firefox only but I am open to porting it to other browsers if that's something people want. My original motivation for this started with a desire to improve the capabilities of the selectorgadget[2] bookmarklet to support extracting as well as finding selectors. The ideal use case is when some data you need is useful but you don't want to spend the effort of writing a one-off script to extract it especially nowadays when a lot of websites need an entire JavaScript…

PageSieve, a web scraping browser extension launched on August 16, 2026 with 17 votes, #789 of 23,274 launches that month and more than 90% of that year's launches.

Visit julius383.github.io ↗Alternativestop 3% of August 2026

In plain words

PageSieve is a Firefox browser extension for extracting structured data from websites. Users define field names and CSS or XPath selectors to scrape data without writing custom scripts. It works on any website that displays in a browser, eliminating the need to manage dependencies or JavaScript environments for one-off extraction tasks. The extension is designed for users who need data from websites but want to avoid the overhead of building dedicated scraping tools.

written from the facts on this page · September 2026

From the sources

Documentation website for PageSieve a browser extension that allows you to scrape websites without leaving your browser by defining CSS Selectors and XPath selectors.

PageSieve is a browser extension that assists with the extraction of structured data from any webpage you visit. Define field names, CSS selectors and (optionally) pagination strategy then extract and export data in your desired format (JSON, YAML, CSV etc). When you need to crawl a large number of pages, use the CLI to run the same scraping workflow through a Headless Browser or Plain HTTP using the reusable recipes. Get the extension on the Mozilla Addon Store and the CLI on npm . Star it on GitHubfrom julius383.github.io

In the maker’s words, at launch

PageSieve[1] is a browser extension for scraping data from different websites from within your browser. Currently it's Firefox only but I am open to porting it to other browsers if that's something people want. My original motivation for this started with a desire to improve the capabilities of the selectorgadget[2]…

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