Resize Video Online for Instagram, TikTok & Social Media
Resize videos online for Instagram Reels, TikTok, YouTube Shorts and other social platforms. Change video dimensions, aspect ratio and resolution without installing software.
How to use this tool
- Open Resize Video and upload an MP4/MOV file or a JPG/PNG image.
- Pick a preset (Reels, Instagram Post, TikTok, wallpaper, etc.) or enter custom width and height.
- Drag the media inside the frame and adjust the scale slider to reframe your subject.
- Optionally add a background image or blur fill for letterboxed footage.
- Download your resized MP4 video or PNG image.
Frequently asked questions
- How can I resize a video online?
- Upload your video to Reels Editor, choose the target aspect ratio or dimensions, adjust the framing, and export the resized video. You can resize videos directly in your browser without installing software.
- Can I resize a video for Instagram Reels?
- Yes. Choose the 9:16 vertical format for Instagram Reels and adjust the framing to fit your subject. The recommended Reel size is 1080×1920 pixels.
- Can I resize a video for TikTok?
- Yes. Use the 9:16 vertical format to resize videos for TikTok. You can reposition and crop your video so the important content fits the vertical frame.
- What aspect ratio should I use when resizing a video?
- The best aspect ratio depends on where you plan to publish the video. Use 9:16 for Instagram Reels, TikTok, and YouTube Shorts; 4:5 or 1:1 for some Instagram feed posts; and 16:9 for standard YouTube videos.
- Can I resize a video without losing quality?
- Reels Editor lets you resize and reframe videos while preserving the original video quality as much as possible. For best results, start with the highest-quality version of your video and avoid enlarging low-resolution footage.
- Can I resize a video without installing software?
- Yes. Reels Editor is an online video resizing tool that works directly in your browser. Upload your video, choose the desired format and framing, then export the resized file without installing a desktop application.
- Is my video uploaded to a server when I resize it?
- No. Reels Editor processes your media locally in your browser, so your video does not need to be uploaded to a server for resizing.
- Can I resize images as well as videos?
- Yes. Reels Editor also supports JPG, PNG, and WebP images. You can adjust the framing and export a resized image using the same browser-based workflow.