The best file compression software of 2025 in full: Why you can trust TechRadar We spend hours testing every product or service we review, so you can be sure you’re buying the best.

Express Zip free file compression for Windows lets you open & extract archive formats like zip, rar, cab, tar, 7z, iso, gzip, multidisk, zipx, lzh, arj & more.

All you need is file-compression software. This can not only reduce the size of single large file but also squeeze several large files into a svelte archive that behaves like a single file.

Compressed files usually end with .zip, .sit and .tar. These are called extensions, and they indicate different compression formats--different types of software used to compress files.

PKWare and WinZip, two makers of file compression software, settle a security spat that made some files in the popular Zip format incompatible.

7-Zip is an Open Source File Compression & Archiver software for Windows 11/10 PC 64-bit too. Read review & download it free. Portable version available.

WinZip and WinRAR are great, but if you'd rather hang on to your $30, check out these free alternatives. Each of them can do basic file zipping and unzipping without making you unzip your wallet.

If your PDF is too large to be sent via email, or you simply want to reduce your file’s size, it’s easy to compress PDF files on Windows 11. You have both desktop apps and online tools to do that.

File compression isn't just for desktops and laptops. Android devices can benefit from ZIP files too.

PKWare and WinZip, two makers of file compression software, settle a security spat that made some files in the popular Zip format incompatible.