Free Online Video Resolution Resizer

Change video resolution to 1080p, 720p, 480p, or 360p. Reduce dimensions for smaller files and faster uploads.

Select a video file

Click or drag a video file here
Up to 2 GB

Target resolution

All processing happens in your browser. No files are uploaded to any server.

Change Video Resolution Online in Seconds

Need to reduce your video resolution for a specific platform or to save storage space? The SaveOnlineVideos Video Resolution Resizer lets you change video dimensions instantly in your browser. Choose from standard resolutions like 1080p, 720p, 480p, or 360p, and get a perfectly resized video in MP4 format. This is one of the most effective ways to reduce video file size while maintaining acceptable visual quality.

Resizing video resolution is essential for many workflows. Social media platforms often compress high-resolution uploads, so pre-resizing to 720p or 1080p gives you better control over quality. Lower resolutions dramatically reduce file sizes, making them easier to share via email, messaging apps, or cloud storage. Our tool uses FFmpeg WebAssembly to process everything locally, so your files remain completely private.

How to Resize Video Resolution

Upload your video

Click the upload area or drag and drop your video file. All common formats are supported.

Select target resolution

Choose from 1080p, 720p, 480p, or 360p. Lower resolutions produce smaller files.

Resize and download

Click Resize Video. The progress bar shows conversion status. Your resized video downloads automatically when complete.

Benefits

Dramatic File Size Reduction

Reducing resolution from 1080p to 720p can cut file size by half. Going to 480p can reduce it by 70% or more.

Faster Uploads & Sharing

Smaller files upload much faster to email, cloud storage, and messaging platforms.

Platform Optimization

Resize videos to match specific platform requirements for optimal playback quality.

Complete Privacy

No server uploads. Everything processes in your browser using WebAssembly technology.

Frequently Asked Questions

What resolutions can I resize my video to?

You can resize videos to 1080p (1920x1080), 720p (1280x720), 480p (854x480), or 360p (640x360). These are the most commonly used resolutions for web, mobile, and social media content.

Will resizing reduce video quality?

Downscaling (reducing resolution) will slightly reduce detail but the video will look sharp at its new size. Upscaling (increasing resolution) does not add detail and may appear slightly blurred. For best results, resize to a smaller resolution than the original.

Does resizing reduce file size?

Yes, significantly. Reducing resolution from 1080p to 720p can reduce file size by 40-60%. Going to 480p can reduce size by 70-80%. This makes resizing an effective way to reduce video file sizes for sharing and uploading.

What video formats are supported?

The tool accepts MP4, WebM, MOV, AVI, MKV, and other common formats. Output is always in MP4 with H.264 encoding for maximum compatibility.

Is there a file size limit?

You can resize videos up to 2 GB. Processing happens in your browser, so performance depends on your device. Desktop computers handle large files better than mobile devices.

Are my videos uploaded anywhere?

No. All processing happens locally in your browser using FFmpeg WebAssembly. Your videos never leave your device.