How Do You See a Video's Original Resolution Before Compressing?
Deciding whether to resize and to what target requires knowing the video's original resolution first — the tool already reads this while generating the thumbnail, and that information can be put to use.
Why checking resolution first is worth doing
If a video is already 720p, choosing "resize to 1080p" has no real effect — a resize target higher than the original resolution is typically ignored or leaves the video unchanged rather than upscaling it. Knowing the original resolution beforehand avoids picking a resize target that won't actually do anything.
Common resolution reference
| Common resolution | Typical dimensions (landscape) |
|---|---|
| 4K | 3840×2160 |
| 1080p | 1920×1080 |
| 720p | 1280×720 |
| 480p | 854×480 |
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