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문서 핵심 도구

Basic Usage

Learn how to use the Image Cropper tool effectively with this step-by-step guide.

Uploading Images

Method 1: File Selection

  1. Click the "Select File" button in the upload area
  2. Choose an image file from your computer
  3. The image will appear in the preview area

Method 2: Drag and Drop

  1. Drag an image file from your computer
  2. Drop it onto the upload area
  3. The image will be automatically loaded

Method 3: Sample Images

  1. Click on one of the sample image buttons
  2. The selected sample will be loaded instantly
  3. Perfect for testing the tool without uploading your own images

Basic Cropping

Step 1: Select Crop Area

  • The crop selection box appears automatically when an image is loaded
  • Drag the corners to resize the crop area
  • Drag the center to move the crop area
  • The area outside the selection is dimmed

Step 2: Choose Aspect Ratio

  • Free: No restrictions on the crop area shape
  • 1:1: Perfect square crop
  • 4:3: Traditional photo aspect ratio
  • 3:4: Portrait orientation
  • 16:9: Widescreen aspect ratio
  • 9:16: Vertical video format

Step 3: Crop the Image

  1. Click the "Crop Image" button
  2. The cropped result appears in the result panel
  3. You can see the dimensions and file size

Output Options

Format Selection

  • PNG: Lossless compression, supports transparency
  • JPEG: Lossy compression, smaller file size
  • WebP: Modern format with excellent compression

Quality Control (JPEG only)

  • Use the quality slider to adjust compression
  • Range: 10% to 100%
  • Higher quality = larger file size
  • Lower quality = smaller file size but reduced image quality

Custom Size

  • Set specific width and height for the output
  • Leave blank for "Auto" to maintain original dimensions
  • The aspect ratio will be preserved based on your crop selection

Saving Your Work

Download

  1. Click the "Download" button
  2. The image will be saved to your default download folder
  3. Filename format: cropped-image.[format]

Copy to Clipboard

  1. Click the "Copy" button
  2. The image is copied to your system clipboard
  3. You can paste it directly into other applications

Reset and Start Over

  • Click the "Reset" button to return to the original crop area
  • Upload a new image to start with a different source
  • The tool maintains your format and quality settings
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