A file named like this generally originates from one of four sources:
Open the file in VLC Media Player . Go to Tools > Codec Information . This will tell you the resolution (e.g., 1080p), frame rate, and the software used to encode it. 12q3d42w3f4w.mp4
The string 12q3d42w3f4w is likely a Base64 encoded ID or a Hash . A file named like this generally originates from
Some security systems use alphanumeric timestamps or hex codes to label footage segments. The string 12q3d42w3f4w is likely a Base64 encoded
"A non-descriptive, system-generated multimedia asset. The naming structure suggests a temporary or platform-assigned unique identifier, likely used for cloud synchronization or database indexing."
.mp4 (MPEG-4 Part 14). This is a universal digital multimedia container format most commonly used to store video and audio.
Platforms like YouTube, Discord, or WhatsApp often rename files to unique strings to prevent overwriting other files with the same name (like IMG_001.mp4 ).