Fletcher Checksum Calculator
Online Fletcher checksum calculator (16-bit and 32-bit). Fast and reliable error detection algorithm for data integrity verification.
Input Format:
Fletcher Version:
Fletcher Result (Hex):
Fletcher Result (Dec):
Fletcher Result (Oct):
Fletcher Result (Bin):
Fletcher Checksum Knowledge
Fletcher checksum is an error detection algorithm that generates a position-dependent checksum. It is the predecessor of Adler32 and provides better error detection than simple checksums.
Features
- Two versions: Fletcher-16 and Fletcher-32
- Better error detection than simple checksums
- Position-dependent checksum
- Predecessor of Adler32 algorithm
- Efficient implementation possible
Applications
- Network protocols
- Data integrity verification
- File transfer protocols
- Digital communication systems
- Real-time data verification
Security Recommendations
- Not suitable for cryptographic purposes
- Consider using CRC for better error detection
- Use Fletcher-32 for better reliability
- Combine with other methods for critical data