Resize video online
Resize a video online for YouTube, TikTok, Instagram and Reels easily. Try the tool right now. 100% local in-browser processing, nothing ever uploaded to
Drop your video here
MP4, WebM, AVI, MOV supported
Supported formats
Compatible with all video formats
Our tool supports the most popular formats: MP4, AVI, MOV, WebM. Import any video and get an optimized result.
How it works
Load your video
Select dimensions or ratio (16:9, 9:16, 1:1.)
Download resized video
Free, fast and no signup
No signup required, no software download. Your video is processed instantly in your browser.
Privacy guaranteed
local resizing. Your video never leaves your device.
Your files never leave your device. 100% secure client-side processing.
Why use this tool?
Fast and efficient
Instant processing with no queue. Results in seconds.
Quality preserved
Optimized algorithms to maintain the best possible quality.
Accessible everywhere
Works on computer, tablet and mobile. No installation required.
Resize for Instagram Reels — free online, no signup required
Instagram Reels require vertical 9:16 format (1080x1920). Adapt your landscape videos to the ideal format. Resizing changes resolution (width × height in pixels), adjusts the aspect ratio (16:9, 9:16, 1:1, 4:3) and optimizes the video for portrait, landscape and square formats used on YouTube, Instagram Reels or TikTok.
Technical details
Resize your videos to 4K, 1080p, 720p or 480p with precise scaling: upscale for more definition or downscale to lighten the file.
Who is it for?
Content creators and influencers
Optimize your videos for YouTube, TikTok, Instagram and other platforms.
Professionals and businesses
Prepare your presentations, training and marketing content.
Personal and family use
Edit your vacation memories, birthdays and family moments.