Free Online Video Resizer
Resize MP4, WebM, MOV and other video files to any resolution or aspect ratio. Everything runs in your browser using WebAssembly — no upload to any server, no watermark, no file-size limit. Perfect for social media, presentations or email attachments.
Features
Resize Videos for Any Platform
Set exact pixel dimensions or pick a preset aspect ratio — your video fits wherever you need it.
Custom Resolution
Type any width and height in pixels. Lock or unlock the aspect ratio to stretch or preserve proportions.
Preset Aspect Ratios
One-click presets for 16:9 (YouTube), 9:16 (Reels/Shorts), 1:1 (Instagram), 4:5 (Facebook), and 4:3 (presentations).
Batch Resize
Drop multiple clips and resize them all to the same dimensions in one session — no need to repeat settings.
Privacy-First, Browser-Only Processing
Your footage never leaves your device. All encoding happens locally via WebAssembly.
No Server Upload
Files are read, resized, and written back entirely on your own machine — zero network transfer.
No Watermark or Branding
The exported video is clean — no logo, no stamp, no overlay of any kind.
Works Offline After Load
Once the page loads, you can disconnect from the internet and still resize videos.
FAQ'S
Frequently Asked Questions
Ask us anything!
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