Resize Video - Change Resolution & Dimensions
Resize videos for social media, email, or web. Change resolution from 4K to HD, compress for smaller files. Free online resizer.
Resize Video - Change Resolution & Dimensions
Resolution
Settings
3840 × 2160
1920 × 1080
1280 × 720
854 × 480
640 × 360
1:1 ratio
9:16 vertical
9:16 vertical
9:16 vertical
1:1 square
9:16 vertical
16:9 landscape
16:9 landscape
16:9 landscape
16:9 landscape
9:16 vertical
Width × Height
Settings
Percentage
Settings
Preview
Settings
Resize Video
Scale videos to any dimension
Professional Video Resizing & Scaling
Transform video dimensions with precision and quality preservation. Our video resizer handles everything from 4K downscaling for faster streaming to upscaling HD content for modern displays. Whether adapting videos for different social media platforms, reducing file sizes for easier sharing, or converting aspect ratios for optimal viewing, achieve professional results with intelligent scaling algorithms that maintain maximum visual quality.
Resizing Features
Resize videos to any dimension while maintaining optimal quality. Advanced scaling algorithms including Lanczos, bicubic, and bilinear ensure sharp results whether upscaling for 4K displays or downscaling for mobile. Intelligent enhancement for upscaling prevents pixelation.
Convert between any aspect ratio with multiple handling options. Add letterbox bars, crop to fill, or stretch to fit. Perfect for adapting content between platforms - convert horizontal videos to vertical for Stories, or widescreen to square for Instagram posts.
One-click presets for every major platform: YouTube (1080p/4K), Instagram (square/vertical), TikTok (9:16), Twitter, Facebook, and more. Each preset optimizes not just dimensions but also bitrate and codec settings for best platform performance.
Reduce file sizes dramatically through intelligent resizing. Downscaling 4K to 1080p can reduce file size by 75% while maintaining excellent quality. Perfect for email attachments, faster uploads, or reducing storage needs without visible quality loss.