4K Image Compressor
4K Image Compressor is a free cross-platform app that lets you optimize PNG, JPEG, HEIC, and WEBP images quickly and without quality loss.
With 4K Image Compressor, you can:
Reduce the size of an image by a desired number of percent or to a particular size in megabytes, kilobytes, or even bytes
PNG, JPEG, HEIC, and WEBP are supported for optimization and conversion, and more are coming soon
Batch compression is available to save your time
You can upload images in lossless and lossy formats.
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7-Zip
7-Zip is a file archiver with a high compression ratio. 7-Zip is free software with open source. 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. High compression ratio in 7z format with LZMA and LZMA2 compression. 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 command-line version. Plugin for FAR Manager. Localizations for 87 languages. Packing/unpacking 7z, XZ, BZIP2, GZIP, TAR, ZIP, and WIM.
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IZArc
Zip and unzip files. Passwords protect archives with strong AES encryption. Support 7-ZIP, RAR, TAR and many other archives. IZArc is the best free file compression utility supporting many archive formats like 7-ZIP, A, ARC, ARJ, B64, BH, BIN, BZ2, BZA, C2D, CAB, CDI, CPIO, DEB, ENC, GCA, GZ, GZA, HA, IMG, ISO, JAR, LHA, LIB, LZH, MDF, MBF, MIM, NRG, PAK, PDI, PK3, RAR, RPM, TAR, TAZ, TBZ, TGZ, TZ, UUE, WAR, XPI, XXE, YZ1, Z, ZIP, ZOO. With a modern easy-to-use interface, IZArc provides support for most compressed and encoded files, as well as access to many powerful features and tools. It allows you to drag and drop files from and to Windows Explorer, create and extract archives directly in Windows Explorer, create multiple archives spanning disks, create self-extracting archives, repair damaged zip archives, convert from one archive type to another, view and write comments and many more. IZArc has also built-in multilanguage support.
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