About the ICC profile file format When dealing with digital images in different contexts the ICC profile file format has proven to be the best choice. It allows to transform images to different color spaces like RGB or CMYK while retaining the original look as good as possible. Of course, color management can still be […]

Open GIF files Normally you open GIF files like other images in an image editor and also web browsers support them natively. However, if you want to know all the details of the GIF image file format other tools have to be used. Now if you want to see all the details of a GIF file, […]

How to create PCAP-NG files As described on the Wireshark Q&A site you can dump the network traffic on a Mac easily to a PCAP-NG file: sudo tcpdump -q -n -i pktap,en0 -k -w mytrace.pcapng   The file format of this dump, PCAP-NG (PCAP Next Generation Dump File Format) contains a lot more information than the […]