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Resize Video for Social Media Online

Resize and reformat videos for TikTok, Instagram, YouTube, and other social platforms.

Processed in your browser. Nothing uploaded.
🎬

Resize Video for Social Media — Open in browser editor

Runs entirely in your browser. No uploads, no signup. Works with MP4, MOV, WebM, and more.

Launch Resize Video for Social Media

Free forever. All processing happens locally on your device.

What Is Video Resizing for Social Media?

Resize Video for Social Media is a free online tool that resize and reformat videos for TikTok, Instagram, YouTube, and other social platforms. No files are uploaded — everything is processed locally on your device.

Resize video for TikTok online free and other social media platforms with this tool that adjusts dimensions to the perfect size. One-click presets for TikTok (9:16), Instagram Post (1:1), Instagram Story (9:16), YouTube (16:9), Facebook, and Twitter/X. All resizing happens locally in your browser.

Privacy guarantee: Resize Video for Social Media processes all files directly in your browser using WebAssembly. No data is uploaded to any server, no information is collected, and the tool works offline after loading. Unlimited usage with no signup, no watermarks, and no file size limits.

How to Use Resize Video for Social Media

  1. Upload your video

    Drag and drop your video into the editor. Any format, any resolution.

  2. Choose platform preset

    Select your target platform — YouTube, TikTok, Instagram Post, Story, Facebook, or Twitter/X. The frame adjusts automatically.

  3. Export optimized video

    Preview the resized result and export at the optimal resolution for your chosen platform.

Why Use Our Social Media Resizer?

One-click presets for all major platforms
YouTube (1920x1080), TikTok (1080x1920), Instagram (1080x1080)
Smart crop to keep the important content centered
Combine with text, filters, and other edits
No uploads — resize locally in your browser
Free, unlimited use, no account needed

Frequently Asked Questions

What social media sizes are supported?

YouTube (1920x1080, 16:9), TikTok/Reels (1080x1920, 9:16), Instagram Post (1080x1080, 1:1), Instagram Story (1080x1920, 9:16), Facebook (1280x720), and Twitter/X (1280x720).

Will my video be stretched or cropped?

By default, the video is cropped to fill the new aspect ratio. You can adjust the crop area to keep the most important part of your video in frame.

Can I resize and edit at the same time?

Yes! Our full editor lets you resize, trim, add text, apply filters, and more — all in one workflow.

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