Checksum Calculator

Calculate checksums using various algorithms for data integrity verification.

Input Data

Checksums

Sum mod 256
8-bit sum of bytes
0x1C
(28)
XOR
XOR of all bytes
0x20
(32)
Two's Complement
Negated sum
0xE4
(228)
LRC
Longitudinal Redundancy Check
0xE4
(228)
CRC-8
Cyclic Redundancy Check 8-bit
0x25
(37)
Fletcher-16
16-bit Fletcher checksum
0x1820
(6176)
Internet Checksum
RFC 1071 checksum
0xAE31
(44593)
Adler-32
32-bit Adler checksum
0x180B041D
(403375133)

Note: Checksums are used to detect errors in data transmission or storage. Different algorithms offer varying levels of error detection capability.

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Editorial Note

MyCalcBuddy Editorial Team

This page is maintained as an educational calculator reference.

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Formula Source: Standard Mathematical References

by Various

🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.