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Crop Video Online: Free Video Cropper

Cut away the edges of a video or reshape it to 9:16, 1:1 or 4:5.

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How to use this tool

To crop a video, choose the file, pick a ratio such as 9:16 or 1:1 or drag a box on the frame, and press Create file. Cropping cuts away the edges of the picture, so you can remove black bars or a busy background, or turn a landscape clip into a vertical video for TikTok, Instagram Reels and YouTube Shorts. You get an MP4 with the original sound, made in your browser with no upload and no watermark.

  1. 01

    Choose your video

    Click Choose files and pick an MP4, MOV, WebM or MKV video, up to 100 MB and 10 minutes. A still frame appears so you can see what you are cropping.

  2. 02

    Set the crop area

    Pick 9:16, 1:1, 4:5, 16:9 or 4:3 to place a centered box of that shape, then drag on the frame to move or resize it. Free lets you draw any box. Crop width, Crop height, Left and Top give the exact position in percent.

  3. 03

    Export the MP4

    Press Create file, play the cropped video and click Download. The sound is kept and the file is named after your video, ending in -cropped.mp4.

Aspect ratios for each platform

• 9:16 vertical: TikTok, Instagram Reels, YouTube Shorts and Stories • 1:1 square: feed posts on Instagram, Facebook and LinkedIn • 4:5 portrait: the tallest Instagram feed post • 16:9 wide: YouTube, presentations and TVs • 4:3: classic camera and tablet format A 9:16 crop of a 16:9 clip uses about a third of the width, so place the box on the subject.

Crop vs resize

Cropping keeps part of the picture at its full sharpness and removes the rest. Resizing scales the whole picture into a new shape. To fit an entire landscape video into a vertical frame with blurred bars, use the SocQ social media video resizer; to shorten the clip, use the video trimmer.

Removing black bars

For letterbox bars at the top and bottom, or pillar bars at the sides, choose Free and draw the box just inside the bars. Use the numbers to make it exact: if the bars are 12% at the top and bottom, set Top to 12 and Crop height to 76.

Frequently asked questions

How do I crop a video online?

Choose the video, pick a ratio or drag a box on the frame, press Create file and download the MP4.

Is my video uploaded?

No. It is cropped in your browser and stays on your device.

Does cropping keep the sound?

Yes. The audio is kept and saved as AAC in the MP4.

Is there a watermark?

No. The MP4 contains only your footage.

Can I crop to 9:16 for TikTok and Reels?

Yes. Choose 9:16 in Aspect ratio, then move the box so the subject stays in frame.

Does cropping keep the video quality?

Yes. The area you keep stays at its original resolution and is saved as high-quality H.264 MP4.

How do I crop a video on iPhone or Android?

Open this page in Safari or Chrome, choose the video from your gallery or Files, set the box and download the MP4.

What if no preview frame appears?

Pick a ratio preset and press Create file: the box is centered on the video automatically. You can also set the position with the percent fields.

How big can the video be?

Up to 100 MB and 10 minutes per video.

Is the video cropper free?

Yes. No signup and no limit.

For developers

See which vertical videos work on TikTok

Reframing clips for short video? SocQ APIs return public TikTok videos, profiles, transcripts and comments, so you can study which hooks and formats get the most views.

Explore the API

tiktok/videos

posts0.7 credits / result

tiktok/profiles

profiles0.6 credits / result

tiktok/video-transcript

posts0.5 credits / result

tiktok/comments

comments0.25 credits / result

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