7-Zip is a file archiver with a high compression ratio.
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Download 7-Zip 19.00 (2019-02-21) for Windows:
| Link | Type | Windows | Size |
|---|---|---|---|
| Download | .exe | 32-bit x86 | 1.2 MB |
| Download | .exe | 64-bit x64 | 1.4 MB |
Download 7-Zip 20.02 alpha (2020-08-08) for Windows:
Part 1: 2020 5 Best Open Source Blu-ray&DVD Ripping Software MakeMKV. MakeMKV, current version 1.14.3 released on March 10, 2019, is a semi-open source DVD ripper for Windows, Mac. HandBrake is undoubtedly the most popular one among all those open source DVD rippers. OpenCloner Ripper 2020 is a full-featured ripping and conversion software. It can rip DVD/Blu-ray/UHD movies to standard video format, while removing various copy protections. The latest version has been optimized to support more UHD friendly drives. Meanwhile, it supports rich built-in configuration presets optimized for your device. Dvd::rip is a full featured DVD copy program written in Perl. It provides an easy to use but feature-rich Gtk+ GUI to control almost all aspects of the ripping and transcoding process. It uses the widely known video processing swissknife transcode and many other Open Source tools. Dvd::rip itself is licensed under GPL / Perl Artistic License.
| Link | Type | Windows | Size |
|---|---|---|---|
| Download | .exe | 32-bit x86 | 1.2 MB |
| Download | .exe | 64-bit x64 | 1.4 MB |
| Download | .exe | 64-bit ARM64 | 1.5 MB |
License
7-Zip is free software with open source. The most of the code is under the GNU LGPL license. Some parts of the code are under the BSD 3-clause License. Also there is unRAR license restriction for some parts of the code. Read 7-Zip License information.
You can use 7-Zip on any computer, including a computer in a commercial organization. You don't need to register or pay for 7-Zip.
The main features of 7-Zip
- High compression ratio in 7z format with LZMA and LZMA2 compression
- Supported formats:
- Packing / unpacking: 7z, XZ, BZIP2, GZIP, TAR, ZIP and WIM
- Unpacking only: AR, ARJ, CAB, CHM, CPIO, CramFS, DMG, EXT, FAT, GPT, HFS, IHEX, ISO, LZH, LZMA, MBR, MSI, NSIS, NTFS, QCOW2, RAR, RPM, SquashFS, UDF, UEFI, VDI, VHD, VMDK, WIM, XAR and Z.
- For ZIP and GZIP formats, 7-Zip provides a compression ratio that is 2-10 % better than the ratio provided by PKZip and WinZip
- Strong AES-256 encryption in 7z and ZIP formats
- Self-extracting capability for 7z format
- Integration with Windows Shell
- Powerful File Manager
- Powerful command line version
- Plugin for FAR Manager
- Localizations for 87 languages
7-Zip works in Windows 10 / 8 / 7 / Vista / XP / 2019 / 2016 / 2012 / 2008 / 2003 / 2000.
p7zip - the port of the command line version of 7-Zip to Linux/Posix.
On 7-Zip's SourceForge Page you can find a forum, bug reports, and feature request systems.
Compression ratio
We compared 7-Zip with WinRAR 5.20.
FILE SETS: Mozilla Firefox 34.0.5 for Windows and Google Earth 6.2.2.6613 for Windows.
| Archiver | Mozilla Firefox | Google Earth | ||
|---|---|---|---|---|
| 65 files 85 280 391 bytes | 483 files 110 700 519 bytes | |||
| Compressed size | Ratio | Compressed size | Ratio | |
| 7-Zip 9.35 -mx | 39 357 375 | 100% | 15 964 369 | 100% |
| WinRAR 5.20 -m5 -s -ma5 -md128m | 41 789 543 | 106% | 17 035 432 | 107% |
Compression ratio results are very dependent upon the data used for the tests. Usually, 7-Zip compresses to 7z format 30-70% better than to zip format. And 7-Zip compresses to zip format 2-10% better than most of other zip compatible programs.
Sunday, June 16, 2019Sometimes you need to download the whole web site for offline reading. Maybe your internet doesn't work and you want to save the websites or you just came across something for later reference. No matter the reason is, you need a website ripper software for you to download or get the partial or full website locally onto your hard drive for offline access.
It's easy to get the updated content from a website in real-time with an RSS feed. However, there is another way would help you to get your favorite content at hand faster. A website ripper enables you to download an entire website and save it to your hard drive for browsing without any internet connection. There are three essential structures - sequences, hierarchies, and webs that used to build a website. These structures would decide how the information is displayed and organized. Below is the list of the 10 best website ripper software in 2020. The list is based on ease of use, popularity, and functionality.
1. Octoparse
Octoparse is a simple and intuitive web crawler for data extraction without coding. It can be used on both Windows and Mac OS systems, which suits the needs for web scraping on multiple types of devices. Whether you are a first-time self-starter, experienced expert or a business owner, it will satisfy your needs with its enterprise-class service.
To eliminate the difficulties of setting up and using, Octoparse adds 'Web Scraping Templates' covering over 30 websites for starters to get comfortable with the software. They allow users to capture the data without task configuration. For seasoned pros, 'Advanced Mode' helps you customize a crawler within seconds with its smart auto-detection feature. With Octoparse, you are able to extract Enterprise volume data within minutes. Besides, you can set up Scheduled Cloud Extraction which enables you to obtain dynamic data in real-time and keep a tracking record.
Website: https://www.octoparse.com/download
Minimum Requirements
Windows 10, 8, 7, XP, Mac OS
Microsoft .NET Framework 3.5 SP1
56MB of available hard disk space
HTTrack is a very simple yet powerful website ripper freeware. It can download the entire website from the Internet to your PC. Start with Wizard, follow through the settings. You can decide the number of connections concurrently while downloading webpages under the 'set option.' You are able to get the photos, files, HTML code from the entire directories, update current mirrored website and resume interrupted downloads.
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The downside of it is that it can not use to download a single page of the website. Instead, it will download the entire root of the website. In addition, it takes a while to manually exclude the file types if you just want to download particular ones.
Website: http://www.httrack.com/
Minimum Requirements
Windows 10, 8.1, 8, 7, Vista SP2
Microsoft .NET Framework 4.6
20MB of available hard disk space
WebCopy is a website ripper copier that allows you to copy partial or full websites locally for offline reading. It will examine the structure of websites as well as the linked resources including style sheets, images, videoes and more. And this linked resource will automatically remap to match its local path.
The downside of it is that Cyotek WebCopy can't parse/crawl/scrape websites that apply Javascript or any with dynamic functions. It can't scrape raw source code of the website but only what it displays on the browser.
Website: https://www.cyotek.com/cyotek-webcopy/downloads
Minimum Requirements
Windows, Linux, Mac OSX
Windows, Linux, Mac OSX
Microsoft .NET Framework 4.6
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3.76 MB of available hard disk space
4. Getleft
Getleft is a free and easy-to-use website grabber that can be used to rip a website. It downloads an entire website with its easy-to-use interface and multiple options. After you launch the Getleft, you can enter a URL and choose the files that should be downloaded before begin downloading the website.
Open Source Software Examples
Website: https://sourceforge.net/projects/getleftdown/
Minimum Requirements
Windows
2.5 MB of available hard disk space
Open Source Rip Software
Artículo en español: 4 Mejores Extractores de Sitios Web Fáciles de Usar
También puede leer artículos de web scraping en El Website Oficial
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