Guide Vidlora
Understanding video bitrate
Bitrate is how much data a video uses per second of playback, usually measured in kbps or Mbps — it's one of the biggest factors in both visual quality and file size.
4 minutes de lecture
Bitrate vs. resolution
Resolution (e.g. 1080p) describes how many pixels each frame has. Bitrate describes how much data is spent encoding those pixels over time. The same resolution can look sharp or blocky depending entirely on bitrate — a high-resolution video at a very low bitrate often looks worse than a lower-resolution video at a healthy bitrate.
Constant vs. variable bitrate
Constant bitrate (CBR) keeps data usage flat throughout; variable bitrate (VBR) spends more data on complex, high-motion scenes and less on simple, static ones — which is why most modern encoders (and Vidlora's compressor) default to a variable, quality-targeted approach rather than a fixed bitrate number.
Checking a file's actual bitrate
A metadata viewer reads the real bitrate, codec, resolution, and frame rate directly from a file's container — useful for understanding exactly what you're working with before deciding whether it needs compressing, converting, or is already fine as-is.
Essayer le téléchargeur vidéo gratuit