Crop & Resize Video Online Free

Free browser-based video crop and resize tool. Convert horizontal videos to vertical for TikTok and Reels, add blur or color padding, make square or circle videos. Runs via FFmpeg WebAssembly.

How to Crop & Resize Videos Online

1
Upload your video

Drag and drop a video file or click to browse. MP4, WebM, AVI, MKV, MOV files up to 500 MB are supported.

2
Choose mode and aspect ratio

Select Crop, Fit, or Fill mode. Pick a preset aspect ratio (9:16 for TikTok, 16:9 for YouTube, 1:1 for Instagram) or enter custom dimensions.

3
Adjust the crop area

Drag the handles on the preview to position your crop. In Fit mode, choose a background style: black, blur, solid color, or white.

4
Export your video

Select output format and quality, then click Export. The video is processed entirely in your browser and downloaded directly.

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Crop, resize, and change video aspect ratio for any platform

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Features

Three modes: Crop, Fit, and Fill for any aspect ratio Blur background padding for vertical video conversion Circle crop with transparency support Live canvas preview — see changes before export

What You Can Do with Video Crop

  • Crop video to remove unwanted edges, black bars, or distracting elements
  • Resize videos for TikTok (9:16), Instagram (1:1, 4:5), YouTube (16:9), and Pinterest (2:3)
  • Fit video into a new aspect ratio with black, white, color, or blurred background padding
  • Fill a frame by zooming in and panning to find the perfect composition
  • Create circular video crops with transparency (WebM) or white background (MP4)
  • Export in MP4 or WebM with adjustable quality (High / Medium / Low)

Why Choose Timbrica Video Crop

No watermarks, no account required. Processing runs in your browser using FFmpeg WebAssembly, so even large files work fast. Works on any modern browser, desktop or mobile.

Frequently Asked Questions

What is the difference between Crop, Fit, and Fill?

Crop cuts out a rectangular region and discards the rest. Fit scales the entire video to fit within a new aspect ratio, adding a background (black, blur, or color) to fill empty space. Fill zooms in so the video fills the entire frame, cropping the edges.

How do I convert a horizontal video to vertical?

Upload your video, select 9:16 aspect ratio, and choose Fit mode for the full video with blur/color background, or Crop/Fill mode to select which part of the frame to keep.

Is there quality loss when cropping?

Cropping requires re-encoding, which may introduce minimal quality difference. Use "High quality" (CRF 18) for visually lossless results. The original resolution is preserved within the cropped area.

What is circle crop?

Circle crop creates a circular video. With WebM format, the background is transparent. With MP4 format, a white background fills the area outside the circle since MP4 doesn't support transparency.

💡 Want us to improve this tool just for you?

We can — and it's free! Just send us a quick message with your idea. If you'd like to discuss it in detail, leave your email and we'll get back to you. You can stay anonymous.

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Who is this tool for?
🎬 Video Creators ✨ Content Creators
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