What is checksum utility?

The "checksum utility" or "checksum tool" category usually contains two subcategories of programs - checksum calculators and checksum verifiers.

The checksum calculators intended for calculating the checksum values of single object - standalone file and/or entire drive. For example, the eXpress CheckSum Calculator allow to calculate the checksum value of single file only. The checksum calculator integrated into AccuHash 2.0 allows also can calculate checksum values for entire drive.

Another class of checksum tools - checksum verifiers usually work with checksum files - file of special format, which contain the list of checksum values for several, sometimes for a lot of files. Although this class is named "checksum verifier", frequently this programs also can create this checksum files. For example, the Advanced CheckSum Verifier (ACSV) can both create and verify checksum files.

What is Advanced CheckSum Verifier (ACSV)?

The Advanced CheckSum Verifier is an small, GUI-driven Windows checksum utility intended for creation and verification the checksum files both in SFV and MD5SUM formats. ACSV will help Windows users to protect the integrity of their files by using the CRC32 or MD5 checksum calculation algorithms.

ACSV will useful when necessary to verify the accuracy of files burned to CD-R(W) or transmitted over network, or for files comparison, or for detection of corrupted or tampered files. Adding an little checksum file to your data files will allow easily to verify their integrity at any time in further and allow you to reveal what files has been changed.

ACSV is especially effective if you have many files, many subdirectories, or both. And it's extremely fast and lightweight.

ACSV uses checksum files fully compatible with popular md5 utility for MD5 and SFV (Simple File Verification) for CRC32.

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