CheckSum

CheckSum, the latest and most advanced version being 1.7.0.1, is an essential tool developed by Corz.org. This robust point-and-click sha1 and md5 hashing application is designed exclusively for the Windows 7, 8, 10, and 11 operating systems. If data integrity matters, this free utility is indispensable.

When verified, SHA1 and MD5 hashes confirm that a file or a group of files has not been altered. This is particularly beneficial when files are downloaded and require verification. Verification of download integrity ensures that the file received matches exactly the file uploaded by the author, sans any unauthorized alterations, such as added trojans. Even a minute change results in a significantly different hash, ensuring maximum security and authenticity of the download. The application’s potential in such scenarios illustrates its critical nature in maintaining file integrity.

The main executable, CHECKSUM.exe, is compact with a file size of merely 1.7 KB, making it a lightweight yet powerful addition to System Utilities, specifically under File Managers. Considering its pedigree, with previous versions such as 1.5, 1.1, and 1.0, it's clear that CheckSum has continually evolved to meet the growing demands for hash verification tools.

Distributed under a Freeware license, CheckSum offers exceptional value without financial commitment, appealing to both casual and professional users alike.

Pros:

• Free to use; available under Freeware license
• Lightweight with a small file size (1.7 KB)
• Easy to use, point-and-click interface
• Supports common hash functions (SHA1 and MD5)
• Crucial for verifying download integrity and maintaining data integrity
• Regular updates and improvements visible from its version history

Cons:

• Limited to Windows operating systems (Windows 7/8/10/11) only
• Supports only SHA1 and MD5, potentially limiting those needing more diverse hashing algorithms

Whether you're constantly dealing with sensitive data or simply need to ensure your downloads are secure and untampered, CheckSum 1.7.0.1 is free to download and an indispensable addition to your system utility toolkit.

You may want to check out more software, such as EF CheckSum Manager, Checksum Verify or MD5 Checksum Verifier, which might be similar to CheckSum.