1. Drag the image to the add file area or click to select a file
2. Choose the adjustment method: by pixels or by percentage
3. Enter the target size or scaling ratio
4. Click the adjust button to download
Supports adding multiple images at the same time for batch processing.
Your images are completely secure:
• All processing is done locally in your browser
• Images are not uploaded to any server
• Data is automatically cleared after refreshing or closing the page
• Works offline without internet connection
• JPG/JPEG - Common photo format
• PNG - Supports transparent background
• WebP - Modern web image format
• GIF - Supports animation
• AVIF - Next-generation compression format
Note: Animated GIFs retain animation after resizing.
Resize by pixels:
• Set width and height separately
• Check "Lock aspect ratio" to automatically calculate the other side
Resize by percentage:
• Enter scaling percentage (e.g., 50% means reducing by half)
• Automatically maintains original aspect ratio
• Web images: 800-1200px width is suitable
• Social media: Refer to platform recommended sizes
• Email attachments: Recommended to reduce to within 1000px
• Mobile viewing: Width should not exceed 1080px
Q: Why did the image become blurry?
A: Enlarging images may reduce clarity; it's recommended to only reduce size.
Q: How many images can be processed?
A: Depends on browser performance; generally, 10-20 images run smoothly.
Q: Will the file size change?
A: Usually, smaller dimensions result in a smaller file size.