Pixelcut
A hero image demonstrating a video resized for Instagram. A modern smartphone in the foreground shows a vertical video of a chef, while the original widescreen video is shown faded in the background for comparison.

Video Resizer for Instagram

7000万人に信頼されています
171,800件のレビュー
開発者API
iPhoneAndroid で利用可能

How to Resize a Video for Instagram

  1. 1

    Upload your video

    Select the video file you want to resize. Our tool accepts various common video formats to make getting started easy.

  2. 2

    Enter your prompt

    Tell our AI assistant how to format your video. Use simple instructions like 'Resize for Instagram Story' or 'Make this a square video.'

  3. 3

    Generate your video

    Our AI will process your request, automatically adjusting the video's dimensions to fit the specified Instagram format while keeping the important action in frame.

  4. 4

    Download your video

    Your resized video is ready. Download the high-resolution MP4 file, completely watermark-free, and share it directly to your Instagram.

Stop letting Instagram awkwardly crop your videos. With our AI video resizer, you can easily adapt your content for any format, whether it’s a 9:16 Reel, a 1:1 square post, or a 4:5 vertical feed video. Instead of manually adjusting dimensions and losing important details, simply tell our AI what you need. It handles the technical aspects for you, ensuring your video looks exactly how you intended on every part of the platform. This saves time and removes the guesswork from video formatting.

The Perfect Fit for Every Instagram Format

A mockup illustrating video resizing for Instagram, showing a video frame of a chef with outlines for square, portrait, and story formats overlaid, all on a white background.
A common worry when resizing videos is losing clarity and sharpness. Our tool is designed to preserve the quality of your original footage. The AI intelligently resizes the video frame without significant visual degradation, so your high-definition content remains crisp and professional. This process is much more than a simple crop; it ensures that your resized video is clean and clear, avoiding the pixelation that can happen with other online converters. Share your best work without compromising on quality.

Maintain Video Quality, Automatically

A conceptual image showing a video of a chef preparing food, perfectly cropped to fit three different aspect ratios—square, vertical, and horizontal—representing video resizing for Instagram.
Traditional video resizers often just cut off the sides of a wide video to make it vertical, which can ruin a great shot. Our tool uses smart AI to identify the main subject or action in your video. When you resize a video, the AI automatically reframes the shot to keep the most important elements in view. Whether it’s a person talking or a product in motion, the intelligent cropping makes sure the focus of your video is never lost, giving you a perfectly composed shot every time.

AI-Powered Cropping with Smart Focus

A conceptual image showing a video of a chef cooking, displayed in three different aspect ratios for Instagram: square, portrait, and vertical story.
It’s Fast: Transform your original video into a perfectly sized Instagram clip in moments. It’s Intuitive: Forget confusing settings. Use simple text commands like 'change to 9:16 aspect ratio' or 'make it square'. AI-Powered: Our AI doesn’t just crop; it intelligently reframes your video to keep the subject centered and in focus. Easy to Use: Upload your video, type your command, and download your resized clip. It’s that simple. Get the Right Fit: Create optimized content for Reels, Stories, and posts without any technical expertise.

Why use Pixelcut's AI Video Resizer for Instagram?

A graphic illustration showing a widescreen video frame being transformed into a square format and a vertical format to fit Instagram.
Content Creators: Quickly repurpose landscape videos from other platforms into vertical clips for Instagram Reels and Stories, maximizing your content's reach. Social Media Managers: Streamline your workflow by efficiently resizing brand videos for various ad placements and organic posts across the Instagram platform. Small Business Owners: Convert horizontal product demos into engaging vertical videos perfect for grabbing attention in Stories and Reels. Personal Use: Ensure your favorite moments, from vacation clips to family events, fit perfectly on your feed or Story without being awkwardly cropped.

Video Resizer Use Cases

A visual representation of video resizing, showing three different aspect ratio crops of a chef plating a dish: a vertical crop for stories, a square crop for a post, and a wide crop for a standard video, all on a white background.

よくある質問

Pixelcutは200万人以上に愛されています

  • 私のお気に入りのアプリ

    素晴らしいアプリ、使いやすい。中小企業がさまざまなマーケティング資料を専門的に作成するための時間と費用を節約できるようになります。ありがとう。
    シェイリン D.
  • 最高の背景除去剤

    私の仕事には優れた背景除去剤が必要で、私はそれをすべて経験してきました。これは今のところ最高です。使い方はとても簡単で、結果は常に素晴らしいものになります。ピクセルカットさん、ありがとうございます!
    キラ・H
  • 大好きです

    驚くほど簡単で、バッグやアクセサリーに完璧な結果が得られます。プロのカメラマンが撮影したようです。
    メアリー J.