9:16 Vertical for TikTok & Shorts
Turn horizontal recordings into captivating vertical full-screen content for TikTok, Instagram Reels, and YouTube Shorts in one click.
Reframe, resize, and crop video dimensions directly in your web browser. Convert widescreen landscape footage to vertical 9:16 for TikTok and YouTube Shorts, or square 1:1 for Instagram feeds — fast, free, and watermark-free.
Reframe MP4, WebM, or MOV clips with instant visual aspect presets
or drag and drop your video file anywhere on this pageEasily adapt any video format for social media feeds in seconds without complex editing software.
Select or drag your video into TrimCrop. Your video opens instantly without any upload wait times.
Choose 9:16 for TikTok/Shorts, 1:1 for Instagram, or 16:9 for YouTube. Drag the box to position your subject perfectly.
Click Export Video to render and download your reframed clip at high definition with zero watermarks.
Everything you need to optimize video dimensions for any social platform or mobile display.
Turn horizontal recordings into captivating vertical full-screen content for TikTok, Instagram Reels, and YouTube Shorts in one click.
Crop your video into a clean square ratio that fills mobile feeds and captures immediate scroll attention.
Fit cinema and widescreen landscape monitors without distorted scaling or letterboxing artifacts.
All video processing is handled locally by your browser via WebAssembly (FFmpeg). Your clips never touch third-party servers.
Export pristine clips free of watermarks or forced subscription branding, ready for commercial and social publishing.
Cut out unwanted intro/outro seconds and compress video file size in the exact same session.
Compare in-browser WebAssembly video cropping against conventional cloud tools.
| Feature | TrimCrop | Typical Online Tools |
|---|---|---|
| Upload Delay | 0 Seconds (Instant local RAM) | 5 – 30 Minutes (Slow cloud upload) |
| Aspect Presets | 9:16, 1:1, 16:9, 4:3 & Freeform included | Basic presets often locked behind paywall |
| Watermarks | Zero watermarks ever | Forced watermark on free tier |
| Security & Privacy | 100% Private (Never leaves device) | Uploaded to cloud storage |
| Price | 100% Free Forever | Monthly subscription required |
Common answers about aspect ratios, social framing, and video cropping online.
Open your video in TrimCrop, click the "Crop" tool, and select the 9:16 preset. Drag the crop rectangle over your subject, and click Export Video. Your clip is converted to vertical format ready for TikTok, Instagram Reels, or YouTube Shorts.
No. TrimCrop never adds watermarks, stamps, or logos to your video. You get 100% clean, professional exports every time.
Yes! Select the "Free" preset to drag the corners and edges of the crop box to any custom dimension you desire, perfect for cutting out black borders or unwanted edges.
TrimCrop preserves maximum visual resolution by rendering your selected crop area directly from the source video using high-quality H.264 encoding with configurable CRF quality controls.
No. All video rendering happens client-side inside your browser powered by WebAssembly. Your files never leave your computer.
Reframe your clips for TikTok, Instagram Reels, and YouTube Shorts with total privacy and zero watermarks right now.