Video resizer
Desktop to mobile. Or any size you want.
Pick a preset — YouTube, Instagram post, Stories / Reels / TikTok, tablet — or type exact pixel dimensions. Four fit modes: letterbox, fill-crop, stretch, or a blurred-background layout for horizontal-into-vertical conversions.
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Preset size
Width
Height
Fit mode
Background color Fit / letterbox only
Output format
Video quality 23CRF · lower = better
Video re-encoding can take 1–3× the clip length. Blur-background mode is the slowest.
Desktop · tablet · mobile presets
Custom W × H (up to 8K)
Lock aspect ratio
Fit · Fill · Stretch · Blur-bg