Resize videos for TikTok, Instagram, YouTube & more — free, private, no upload needed
Best experience on desktop Chrome or Edge. Some features may be limited on mobile browsers.
Drag & drop your video file. Processing happens in your browser — nothing is uploaded to any server.
Pick a platform preset (TikTok, Instagram, etc.) or enter custom dimensions. Choose between Fit or Fill mode.
Hit "Start Resize" and wait. Once done, download your resized video instantly.
One-click resize for TikTok, Instagram, YouTube, X, LinkedIn, and more. No need to look up the right dimensions.
Choose letterbox padding to keep all content visible, or edge-crop to completely fill the target frame.
Audio stream copying means only the video track is re-encoded, dramatically reducing processing time.
Your video stays on your device. Nothing is sent to any server — all processing runs locally via FFmpeg WebAssembly.
Completely free, no account needed, no watermark, no usage limits.
Select the "TikTok / Reels / Shorts" preset (1080×1920) and drop your video. Processing takes seconds and the result downloads instantly.
If you choose a resolution equal to or smaller than your original, quality stays virtually identical. We copy the audio stream without re-encoding for maximum speed.
Fit keeps your entire video visible with black bars if needed. Fill crops the edges to completely fill the target frame with no black bars.
Yes. Use Fit mode (default). Your video will be letterboxed or pillarboxed to fit the target size without losing any content.
The tool handles files up to 500MB. Processing happens in your browser, so speed depends on your device.
No. All processing runs locally in your browser using FFmpeg WebAssembly. Your files never leave your device.
MP4, MOV, WebM, AVI, MKV, and most common video formats. Output is always MP4 for maximum compatibility.