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Crop image online, free aspect-ratio cropper with draggable rectangle

Drop an image, drag a rectangle or pick a preset aspect ratio (1:1, 4:5, 16:9), and download the cropped output. Runs in your browser, nothing saved.

  • Aspect-ratio presets
  • Runs in your browser
  • Drag-friendly rectangle
A wide mountain-lake photograph before and the same scene cropped to a 1:1 square after.A wide mountain-lake photograph before and the same scene cropped to a 1:1 square after.

슬라이더를 드래그해 전후 비교

개요

Cropping a photo on a desktop browser usually means launching an image editor, fighting with a misbehaving rectangle, and exporting a file in a format you did not pick. This tool keeps the surface small: drop an image, pick an aspect ratio (or pick Custom to drag freely), drag the rectangle to the part you want, and download.

Aspect-ratio presets cover the cases people actually need: square (1:1) for product tiles, portrait (4:5, 9:16) for Instagram and TikTok, landscape (16:9, 3:2) for YouTube thumbnails and DSLR-native ratios. The Original preset removes the aspect constraint; Custom does the same but reflows freely as you drag the corners.

In any modern browser the crop runs locally: the cropper renders to a canvas and the encode happens in the browser, so the image bytes never leave your device. A server fallback exists for browsers that cannot mount the cropper canvas; on that path the upload is deleted the moment we send the result back.

작동 방식

사용 방법

세 단계, 보통 5초 안에 완료됩니다.

  1. 1

    Upload an image

    Drop a JPG, PNG, WebP, or AVIF up to 25 MB. Clipboard paste also works.

  2. 2

    Pick an aspect ratio

    Choose Original, 1:1, 4:5, 16:9, 9:16, 3:2, 2:3, or Custom. The rectangle resnaps to the new ratio without losing your position.

  3. 3

    Drag the rectangle

    Move the rectangle, resize from the corners, or drag the edges. The selection updates live; you can switch presets at any time.

  4. 4

    Download the cropped image

    Pick the output format (Same as source, JPEG, PNG, or WebP) and confirm. The file downloads with `-cropped` appended to the original filename.

샘플

실제 결과 보기

각 슬라이더를 드래그해 전후를 픽셀 단위로 비교하세요.

A wide food photograph cropped to a 1:1 square for product tiles or Instagram posts.A wide food photograph cropped to a 1:1 square for product tiles or Instagram posts.
A wide food photograph cropped to a 1:1 square for product tiles or Instagram posts.
A mountain-lake landscape trimmed to a 16:9 frame for YouTube thumbnails and presentation slides.A mountain-lake landscape trimmed to a 16:9 frame for YouTube thumbnails and presentation slides.
A mountain-lake landscape trimmed to a 16:9 frame for YouTube thumbnails and presentation slides.
A product portrait cropped to a 9:16 vertical for TikTok stories and Instagram Reels.A product portrait cropped to a 9:16 vertical for TikTok stories and Instagram Reels.
A product portrait cropped to a 9:16 vertical for TikTok stories and Instagram Reels.
개인정보

이미지는 작업이 끝나면 사라집니다

혼합 처리

Cropping runs in your browser by default. Your image never leaves your device on that path. For the small share of browsers that cannot mount the cropper canvas we fall back to a server round-trip, where the upload is only held while we process it and is deleted the moment the result is sent back. Nothing is saved, indexed, or trained on.

  • 몇 초 안에 처리 완료
  • 저장되지 않음
  • 계정 연결 없음
지금 사용해 보기

이미지를 업로드하세요

클릭 한 번. 가입 불필요. 나머지는 저희가 처리합니다.

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다음과 같이 인용하세요

BouseMutton (2026). Crop image online [Web application]. https://bousemutton.com/crop-image-online

최종 업데이트: 2026-04-28