Drop your video here or click to browse
Supports MP4, WebM, MKV up to 500MB
How to Resize a Video Online
- 1
Upload Your Video
Drag and drop your video file or click the upload area to browse. The tool supports MP4, WebM, and MKV formats up to 500 MB. - 2
Choose a Resolution
Select a preset resolution such as 4K, 1080p, 720p, or a social media format like Instagram Story (1080x1920). Alternatively, enter custom width and height values. - 3
Adjust Settings
Toggle the aspect ratio lock to maintain proportions or disable it to stretch the video to exact dimensions. Preview the output size before processing. - 4
Resize and Download
Click Resize Video to start processing. Once complete, click Download to save the resized video in WebM format. No account or signup required.
Common Use Cases
Social Media Publishing
Reducing File Size for Sharing
Presentation and Training Videos
Thumbnail and Preview Generation
Why use our Video Resizer?
The FindUtils Video Resizer is a free browser-based tool that lets you change video resolution in seconds. Whether you need to downscale 4K footage for faster uploads or resize a clip to fit Instagram, TikTok, or YouTube requirements, everything runs locally on your device. No video data is uploaded to any server, making it a private and secure alternative to cloud-based resizers.
The tool ships with presets for the most popular resolutions and social media platforms, but you can also enter custom width and height values for full control. An aspect ratio lock prevents accidental stretching, and you can preview the final dimensions before processing. Output is delivered in WebM format with good compression and broad browser support. For further optimization, you can pass the result through the Video Compressor or convert it to another container with the Video Format Converter.
Need to do more than just resize? Combine this tool with the Video Trimmer to cut length, the Video Rotator to fix orientation, or the Video to GIF converter to create animated previews. For images, the Image Resizer and Social Media Image Resizer offer the same privacy-first experience with presets tailored to every major platform.
How It Compares
Most online video resizers require you to upload your file to a remote server, wait for processing, and then download the result. Services like Kapwing, Clideo, and VEED add watermarks on free tiers or limit file size and resolution. Desktop software such as HandBrake is powerful but requires installation and a learning curve. The FindUtils Video Resizer processes everything in your browser with zero uploads, no watermarks, no signup, and no usage limits.
Because processing is client-side, your video never leaves your device, which makes this tool ideal for confidential or sensitive footage. The tradeoff is that very long videos (over 10 minutes) may take longer to process compared to server-side tools with dedicated hardware. For most social media clips, presentations, and short-form content, browser-based resizing is more than fast enough and far more private.