SiteSucker is not available for Windows but there are plenty of alternatives that runs on Windows with similar functionality. The best Windows alternative is Wget, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to SiteSucker and many of them are available for Windows so hopefully you can find a suitable replacement. Other interesting Windows alternatives to SiteSucker are HTTrack, ArchiveBox, SiteOne Crawler and WebCopy.
GNU Wget is a free software package for retrieving files using HTTP(S) and FTP, the most widely-used Internet protocols. It is a non-interactive command line tool, so it may easily be called from scripts, cron jobs, terminals without X-Windows support, etc.
Most users think Wget is a great SiteSucker alternative.
Wget is the most popular Windows, Mac & Linux alternative to SiteSucker.
Wget is the most popular Open Source & free alternative to SiteSucker.
Open-source software allowing users to download complete websites, maintaining directories and link structures for offline browsing. Offers updates, resume options, and major OS support.
Most users think HTTrack is a great SiteSucker alternative.
HTTrack is the most popular Android alternative to SiteSucker.
Self-hosted archiving platform storing web content as HTML, PDFs, screenshots, media, and WARC files; imports links from bookmarks, RSS, or files; supports browser history, complex sites, JSON indexing, Git repo archiving, regular scheduling, and offline browsing.
ArchiveBox is the most popular Self-Hosted alternative to SiteSucker.
A free in-depth website analyzer providing audits of security, performance, SEO, accessibility and other technical aspects. Available as a desktop application for Windows/macOS/Linux and as a CLI tool for advanced users and CI/CD processes. It also includes an offline web page exporter.
Cyotek WebCopy is a free tool for copying full or partial websites locally onto your harddisk for offline viewing.
ScrapBook is a Firefox extension, which helps you to save Web pages and manage the collection. Key features are lightness, speed, accuracy and multi-language support. Major features are:
Download web and FTP sites for offline use on Windows, with support for bulk and scheduled tasks, selective downloading, Chromium engine, password protection, social site capture, and migration of projects or settings to new systems or external media.
Offline Explorer is the most popular commercial alternative to SiteSucker.
WebCopier is an easy-to-use website mirror utility. It allows to download entire Web sites, store them locally and view them later, at users' convenience. WebCopier provides access to the downloaded information at any time, no matter where its users are, no Internet...
This project is a java web spider (web crawler) with the ability to download (and resume) files. It is also highly customizable with regular expressions and download templates.
PageArchiver (previously called "Scrapbook for SingleFile") is a Chrome extension that helps you to archive web pages for offline reading.
Download websites to local disk for offline browsing or preserving a website soon going down. Supports filtering which URLs are crawled and which ae downloads, so can also be used to download e.g. all images, PDF files or similar.
A browser extension that captures web pages to local device or backend server for future retrieval, organization, annotation, and edit.
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It's fairly easy to set up and use. I recommend WAIL instead, though, that uses HTTrack, but has a better GUI