Leading compression algorithm
CoolRAR is the smallest compression and decompression software on the market, only 1.25M, and has powerful functions and reliable security.
Higher compression rate
Authoritative tests have proven that the compression rate is 7%-15% higher than other compression software. Automatically identify different files and compress them using different compression algorithms.
Encrypted compression
Coolpress uses AES encryption (128-bit and 256-bit) to ensure the security of sensitive data; improves the speed of file encryption operations using available hardware support.
Good compatibility
CoolRAR is permanently free and open source. You do not need to purchase a license, you can use, copy, and distribute without restriction.
it works
it works
it works