KGB Archiver

2.0.0.2 File compression app for Windows

Fernando Ortega

High-compression software that reduces file size to save storage space with advanced algorithms for optimal compression.

Free and open source file compression software download, reviewed by Fernando Ortega
Compress or decompress archived folders and files - Screenshot of KGB Archiver
Various compression options - Screenshot of KGB Archiver
Powerful result at the cost of time - Screenshot of KGB Archiver
Displays helpful info - Screenshot of KGB Archiver
Create and open ZIP archives - Screenshot of KGB Archiver
Free file compression tool for personal computers - Screenshot of KGB Archiver
Main Features and Accessories - Screenshot of KGB Archiver
Additional Features - Screenshot of KGB Archiver
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High-compression file archiver that can extract archives in KGB and ZIP format as well as create archives from a folder.

Some compression tools like Seven Zip, WinZip or even WinRAR are able to effectively reduce the size of archives by a considerable amount, however nothing comes close to the power and versatility of KGB Archiver. KGB Archiver can turn your large files into something much smaller by compressing them into KGB's own compression format, with further support for creating ZIP files with similar compression ratios.

KGB offers you the ability to choose which compression rate you'd like to use for making files smaller; you can choose from between minimum compression rate to a maximum compression rate and turn a digital photo which weighs in at 4.0MB to a compressed size of only around 1.3MB. KGB Archiver certainly isn't the fastest compressor out there, but it is by far one of the most effective at reduce filesizes.

There are some pitfalls of using this archiver; for one, browsing archives can take a little bit longer depending on the size. Compared to Seven Zip, KGB is painstakenly slow. This application is also known for using a high amount of system resources and as such, you should only use it when you really must shrink the size of files.

As an added bonus of extremely high compression rates, KGB Archiver also supports archive encryption. You are able to set any password you'd like on the archives it creates, but don't forget that there are virtually no password crackers out there for KGB archivers, so make sure you keep your passwords in a very safe place and consider using a password manager.

Compatibility and License

KGB Archiver has been released under the open source GPL license on Windows from file archivers. The license provides the options to freely download, install, run and share this program without any restrictions. The source code for KGB Archiver should be freely available and modifications are certainly permitted as well as the option to inspect the software.

What version of Windows can KGB Archiver run on?

KGB Archiver can be used on a computer running Windows 11 or Windows 10. Previous versions of the OS shouldn't be a problem with Windows 8 and Windows 7 having been tested. It comes in both 32-bit and 64-bit downloads.


Filed under:
  1. KGB Archiver Download
  2. Free File Archivers
  3. Open source and GPL software
  4. File Compression Software
KGB Archiver has been picked by our editors as good software.
KGB Archiver has been tested for viruses and malware.
We have tested KGB Archiver 2.0.0.2 against malware with several different programs. We certify that this program is clean of viruses, malware and trojans.