Resize videos for all platforms
Apply popular aspect ratio presets
Resize MP4 and other video files to share videos without losing video quality or changing resolution. Preview and select from common aspect ratios including 16:9, 9:16, 1:1, 4:3, 4:5, 2:3, and 21:9.
Customize and crop video size
Change the aspect ratio of assets within a video or adjust the width and height of a whole clip to a custom size with the freehand crop tool. Remove black borders from video frames with the fill button and zoom in on specific sections to erase unwanted visuals and highlight focal points.
Resize videos ready for social media
Effortlessly share the same video across various video platforms by resizing in one click. Turn YouTube content into Instagram videos or turn TikTok videos into viral videos on Instagram, Facebook, Bluesky, X, LinkedIn, and other platforms.
How to resize video in Clipchamp
Transform horizontal clips into vertical format
Resize a video online into a new aspect ratio without pixelating the original video resolution.
Convert videos from landscape to portrait dimensions to instantly share YouTube videos to Instagram and Shorts.
Save time creating content by repurposing existing videos and exporting in a different aspect ratio.
Adjust video sizes to remove distractions
Delete unnecessary visuals like unwanted objects in the foreground with the online video cropper.
Shift your frame with the freehand crop tool to clearly show the center of attention in a video.
Rotate videos easily after resizing using the freehand rotation tool.
Beyond video resize presets
Keep your video’s original proportions or fill the whole frame using the fit and fill buttons.
Fill in black backgrounds and remove letterboxing by applying the blur fill video effect.
Add branding and personality to resized videos with color and gradient backgrounds overlays.
Need more help using the video resizer online?
Learn how to resize a video and change video aspect ratios to suit common social media video specifications in this step-by-step guide.
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Frequently asked questions
Can I resize a video for free?
The online video resizer is available for all Clipchamp users. You can create an account in seconds with your Microsoft account or sign up with email or Google.
Can I resize videos for Instagram online?
The video resizer is an in-built Instagram video converter that includes popular IG dimensions. You can resize videos for Instagram Reels and Stories (9:16), and Instagram feed and carousel posts (1:1).
Can I resize a video on my phone?
iOS users can resize and edit video with the Clipchamp mobile app.
How to resize a video without losing quality?
You can resize videos online without losing any quality in Clipchamp. You can also improve your video quality by adjusting brightness, contrast, or saturation with the online video enhancer.