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Size & Resolution
Pixel dimensions, DPI vs PPI, aspect ratios, and print resolution explained with real charts.
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Free browser tools for Size & Resolution
Resize Image
Resize JPG, PNG, or WebP images to exact pixel dimensions in your browser.
Resize Image in Pixels
Set exact width and height in pixels with aspect-ratio locking.
Photo Resizer
Crop and resize passport photos, profile pictures, and ID images to standard specs.
Image Upscaler
Enlarge small images 2x or 4x with smart edge preservation.