FRex/analyzepng

I need CRC check

Closed this issue · 2 comments

Each chunks of png file include a four-byte cycle redundency check (CRC). If image miss make CRC to right value, browser cannot read image on online.
https://www.w3.org/TR/2003/REC-PNG-20031110/#5Chunk-layout

Your tool is very useful and I fix error by your tool. I guess CRC check is useful.

I think you can try this code.
https://stackoverflow.com/questions/24082305/how-is-png-crc-calculated-exactly

FRex commented

This is on my TODO list.
I will add a --crc option tomorrow.

FRex commented

Okay, a --crc option was added. README has an example and there is new release exe too.