Mkv Index [best] -

: Tools like mkvalidator can check if an MKV file's index and structure strictly follow the official Matroska specifications. Technical Details for Developers For those looking at the underlying Matroska Structure :

You have two main options:

: The index (often referred to as "Cues" in Matroska terminology) contains timestamps and the specific byte positions of keyframes. Without a proper index, players cannot "skip" forward or backward accurately. mkv index