Automatic Subject Focus
WayinVideo's AI automatically detects the main subject and keeps it in focus as your video is resized. No manual cropping, repositioning, or subject tracking is required.
Auto Resize Video Online
Auto resize video online with WayinVideo. Instantly adjust video size and aspect ratio for TikTok, YouTube, Instagram, Facebook & more. Fast, high-quality, no watermarks.
Trusted by professionals at
How to Auto Resize Video in 3 Steps
Upload Your Video or Paste a Link
Upload your video file or paste a video link from supported platforms. WayinVideo analyzes your content and prepares it for automatic resizing.
Auto Resize and Focus on Your Subject
Preview and Export Your Resized Video
AI Auto Resize with Automatic Subject Focus
WayinVideo resizes video automatically while keeping the main subject in focus. Our AI detects the important subject in your video and automatically adjusts the framing as the video dimensions change, so you don't need to manually crop, reposition, or track the subject.
Intelligent Layouts & Social Media Preview
Choose from Full, Split or Fit — then instantly see how your video will look on every major platform before you export. WayinVideo's automatic video resizer adapts the composition so your content stays perfectly framed and eye-catching across TikTok, Reels, X and more.
Multiple Video Sizes for Different Platforms
Resize video automatically into different sizes and aspect ratios to fit different platform requirements and content formats. WayinVideo supports common formats such as 1:1, 16:9, 9:16 and 4:5, making it easier to adapt one video for different publishing needs with an AI-powered video resizer.
Auto Resize Videos for Any Platform
Adapt one video to different platform formats without manually resizing each version. WayinVideo automatically adjusts the video's dimensions and framing based on your selected size, making it easy to auto resize YouTube video content for different publishing formats with a YouTube video resizer.
Auto Resize Videos for Different Content Needs
Automatically adapt one video to different sizes and layouts without repeating the same manual resizing work. WayinVideo keeps your main subject in focus while adjusting the composition, making it easier to auto resize video for different publishing formats.
Turn Every Video into More Content
Turn existing content into more social-ready videos without manually adjusting every frame. WayinVideo automatically resizes and reframes your content, making it easier to auto resize video for Instagram and TikTok while keeping your main subject in focus. A TikTok video resizer makes it easier to prepare content in the right format for vertical viewing.
Create More ContentWhy Choose WayinVideo's Auto Resize Video Tool
Flexible Video Layouts
Choose from Full, Split, Fit, and other layout options to create the right composition for your content. Easily control how your video is arranged after resizing.
Mobile Friendly
Auto adjust videos effortlessly on any device with WayinVideo's fully mobile-friendly tool. Easily create new videos anytime, anywhere, even on your mobile device.
AI-Powered Auto Resize
Automate repetitive editing with AI-powered automatic video resizing. WayinVideo uses AI to resize your content while keeping important visual elements properly positioned.
Fast Online Video Resizing
WayinVideo is an automatic video resizer that works directly in your browser, automating repetitive resizing and framing adjustments in seconds.
High-Quality Export
Export your resized videos in high quality, with support for 1080p, 2K, and 4K output. Keep your content sharp and ready for professional publishing.
Frequently Asked Questions
Ready to Auto Resize Your Videos?
Need to auto adjust video dimensions and framing? WayinVideo uses AI to resize video for you. Choose different sizes and layouts while keeping your main subject in focus without manual adjustments.
Start free with 100 credits