10 tools
Offline browsing tools download and mirror websites so you can study them without an active connection. Investigators use them to preserve pages before they change or disappear, to capture entire sites as evidence, and to analyze structure, links, and assets locally at their own pace. A saved mirror is also a hedge against a target noticing repeated live visits or a page being edited mid-investigation.
When picking a tool, consider crawl depth controls, how it handles JavaScript-heavy pages, media and asset capture, and the formats it exports. Respect robots directives, rate-limit your crawls to avoid overloading servers, and stay within each site's terms and applicable law. For time-based captures and archived snapshots, pair these with web history and website capture tools and see our web archive tools guide.
Download entire websites to disk.
is a free tool for automatically downloading the content of a website onto your local device.
Allows you to download a World Wide Web site from the Internet to a local directory, building recursively all directories, getting HTML, images, and other files from the server to your computer.
is a website that lets you access any online content without a permanent Internet connection.
They download a website's pages, links, and assets to your local machine so you can view and analyze it without being online. Investigators use them to preserve content before it changes, build offline evidence copies, and examine site structure quietly without repeatedly hitting the live server during an active case.
Copying publicly accessible pages for research is generally lawful, but it depends on your jurisdiction, the site's terms of service, and how you use the material. Avoid bypassing access controls, respect robots directives and copyright, and rate-limit crawls. When in doubt, consult legal guidance before capturing or redistributing content.
Offline browsing tools create a private local copy on your own device that you control fully. Public web archives store timestamped snapshots on third-party servers you can cite and share. For investigations, many researchers use both: a local mirror for analysis and an independent archive snapshot as verifiable provenance.
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