You can select one of the 3 versions to download: H264Visa Standard Version, Mobile Solution Version and Baseline Version.
You can download and trial it for 30 days. After that, you must buy license(s) if you want to continue using it.
To get more detailed, you can download H264Visa Manual first.
H264Visa(Standard) is dedicated to analyzing all H.264/AVC streams with videos on baseline/main/high profiles on all levels. It fully supports both frame and field/MBAFF analysis
H264Visa Mobile Solution is dedicated to analyzing H.264/AVC streams for mobile/handheld/PC products. It fully supports baseline/main/high profiles on all levels with frame only pictures.
"Softpedia guarantees that H264Visa Mobile Solution is 100% CLEAN, which means it does not contain any form of malware, including but not limited to: spyware, viruses, trojans and backdoors." Details