HEX file checksum online calculator
Firmware for microcontrollers are often stored in Intel HEX files.
For testing and debugging sometimes it is necessary to change some values directly in the HEX file.
The Intel HEX file format is easy to read and to modify except the checksum.
Analyse HEX file line
Please enter one line of HEX file to analyze it, to calculate and verify the checksum. If you don't know the checksum, you can omit it.
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Calculate Intel HEX file checksum using Windows Calculator