Image Proportional Scale

Features

Image proportional scaling tool is an online tool to scale image proportionally. After inputting the scale ratio, the system automatically calculates the new dimensions based on the original aspect ratio, keeping the image undistorted.

Main Features

1. Multiple Presets

Provide quick buttons for common ratios: 25%, 50%, 75%, 100%, 150%, 200%.

2. Custom Ratio Input

Set any scale ratio via slider or direct input, range from 1% to 500%.

3. Intelligent Ratio Calculation

The system automatically calculates new dimensions based on the original aspect ratio, ensuring the image maintains its original proportions.

4. Real-time Preview

After uploading an image, you can preview both the original and scaled images for easy comparison.

5. One-click Download

After scaling, download the scaled image directly, supporting PNG and JPG formats.

How to Use

1. Click the upload area or drag the image to the upload area
2. Choose scale ratio (use preset buttons or custom input)
3. Preview the scaled result
4. Click "Scale Proportionally" to complete the scaling
5. Click "Download" to save the image

Use Cases

• Image Enlargement: Enlarge small images for printing or display
• Image Reduction: Reduce large images to fit different scenarios
• Batch Processing: Adjust multiple images to the same ratio

FAQ

Will the scaled image become distorted?

Using our tool to scale image is proportional scaling, which won't cause distortion. However, excessive enlargement may slightly reduce clarity. It's recommended to keep within 200%.

What image formats are supported?

Supports PNG, JPG, GIF formats, file size limit is 10MB.

What is the maximum scale size?

Maximum support is 500% of the original size, meaning a 100px image can be scaled to 500px.