A number of proprietary software products are available for saving web pages for later use offline. They vary in terms of the techniques used for saving, what types of content can be saved, the format and compression of the saved files, provision for working with already saved content, and in other ways.
HTML content
Name Technology Completeness of saved content Ease of adding to existing collections Navigable between saved pages in offline Format of saved files; open/proprietary Compression Notes scope="row" command line application images and CSS (if -p option is used), but no client-side generated HTML content , if -k option is used (HTML or WARC) , if WARC files are used scope="row" command line application has WinHTTrack for Windows and WebHTTrack for Linux/BSD/Unix GUI front-ends . Links all remade so open your locally stored pages for the site you download . Standard HTML pages saved in a folder. Click on index.html to open home page Many options to let you refine what you save. scope="row" windows desktop application and scriptable tools for web crawling and archiving multimedia (except streaming files), CSS, limited support for javascript events and cookies; shockwave/flash content is downloaded but not crawled . Standard HTML pages saved in a folder. Click on index.html to open home page supports advanced filtering options and authentication scope="row" Firefox extension See note : If those pages were saved in scrapbook catalog; regular HTML and content for each page See note scope="row" Firefox extension Images, CSS and other static content; clientside-generated HTML content saved fine MAFF (=ZIP of regular HTML and web content) The Mozilla Archive Format add-on is no longer maintained since September 5, 2018. scope="row" Google Chrome extension Stylesheets are saved incompletely or not at all ; restricted to Google Chrome profile location scope="row" Google Chrome extension Video and audio files (via Flash or HTML5) are not saved (import/export features) ; regular HTML for pages, regular zip file for catalog for catalog scope="row" E-mail based on-line service See note
See also Comparison of web annotation systems Offline reader Progressive web application
Notes ScrapBook
Archia
Video To save video embedded on web sites (e.g. YouTube), there are video download extensions for Firefox (including Download Helper) and Chrome.
References