Resize videos for any platform

Video Resizer Online

Resize MP4, MOV, AVI, MKV, and WEBM videos into clean MP4 output. Choose landscape, square, vertical, small web size, or enter a custom width and height.

Upload Video Select Size Download MP4

Make videos fit everywhere

Prepare videos for YouTube, Instagram, TikTok, websites, mobile screens, presentations, ads, and product pages.

Free Video Resizer Tool

Upload one video, choose your target size and resize mode, then export a share-ready MP4 file.

Upload Your Video

Drag and drop a video here or click below to choose a file.

Choose Video

Selected Video

Output Size Choose a ready-made size for social media, web, or mobile.

Resize Mode Fit keeps the video natural. Crop fills the frame. Padding keeps full video visible.

Video Quality Higher quality gives better output but creates a larger file.

Custom Width Enter width in pixels.

Custom Height Enter height in pixels.

Server requirement: FFmpeg must be installed and PHP exec() must be enabled. Maximum recommended upload size is 300 MB.

Why Use This Video Resizer?

A video often needs different dimensions before it looks right on websites, social media, and mobile screens.

Social Media Ready

Resize videos for vertical reels, square posts, landscape videos, and mobile-first content without complex editing software.

Better Website Fit

Create clean video sizes for landing pages, product pages, blog sections, hero banners, and embedded media blocks.

Optimized MP4 Output

Export videos as MP4 with balanced quality, smoother playback, and better compatibility across browsers and devices.

How It Works

Resize your video in three simple steps.

Upload Video

Choose an MP4, MOV, AVI, MKV, or WEBM video from your device.

Choose Size

Pick a preset size such as landscape, square, vertical, or enter your own custom dimensions.

Download MP4

The server resizes your video and gives you a clean downloadable MP4 file.

Video Resizer FAQs

Common questions about resizing video files online.

Yes, this video resizer is free to use. Upload your video, select the output size, and download the resized MP4 file.

This tool supports MP4, MOV, AVI, MKV, and WEBM uploads. The resized output is exported as MP4.

For reels and short videos, vertical 1080×1920 is usually best. For square posts, use 1080×1080. For YouTube-style videos, use 1920×1080 or 1280×720.

Fit keeps the full video inside the selected size. Pad adds space around the video. Crop fills the selected frame by cutting edges. Stretch forces exact dimensions and may distort the video.

Yes. Video resizing needs FFmpeg installed on your server, and PHP exec() must be enabled for processing.