Change image dimensions by pixel or percentage. Lock aspect ratio, batch resize multiple files. Everything runs in your browser — private and instant.
or click to browse · Multiple files supported
Upload your images, choose whether to resize by pixel dimensions or percentage, then click "Resize All". With aspect ratio lock enabled, just enter the width and the height will be calculated automatically to prevent distortion.
Percentage mode is great for quickly scaling down images — set to 50% to halve the dimensions, or 200% to double them.
Social media profile photos typically need 400×400px. HD wallpapers are 1920×1080px. Thumbnail images for blogs work well at 800×600px. Email signatures are usually 600px wide. Our tool lets you set any custom size you need.