Convert Video Aspect Ratio for TikTok, Shorts & Reels
Convert landscape YouTube videos to vertical Reels and Shorts with custom blur or solid color backgrounds without leaving your browser.
Aspect Ratio Resizer is coming soon.
We are currently building this tool. Your videos will process directly on your device.
How to Use Aspect Ratio Resizer in 3 Simple Steps
Upload Video Clip
Select your landscape or square video file.
Choose Target Aspect Ratio
Select 9:16 for TikTok/Reels, 1:1 for Instagram feeds, or 16:9 for YouTube.
Export Vertical Video
Render and download your reformatted vertical video clip.
Key Features & Capabilities
- Preset canvas ratios (9:16, 16:9, 1:1, 4:5)
- Background blur padding & solid color options
- Instant real-time canvas preview
Your Privacy Comes First
Unlike standard cloud video converters that upload your private video files to remote servers, the video kit processes everything right inside your browser.
Your files remain 100% private, never leave your device, and are never saved or stored anywhere.
Frequently Asked Questions
What is the best aspect ratio for TikTok and YouTube Shorts?
9:16 vertical ratio (1080x1920 pixels) is the recommended standard for TikTok, YouTube Shorts, and Instagram Reels.