How do I maintain aspect ratio automatically?
Keep the "Lock Aspect Ratio" toggle enabled. Changing the width will automatically calculate the proportional height so your photo never stretches or distorts.
Resize Image Online
Change image dimensions by exact pixels or percentage with 100% client-side privacy.
How to Resize an Image in 3 Steps
Drop your image into the workspace, enter your target width and height in pixels (or slide the percentage scale), and click Download. All resampling uses high-quality HTML5 Canvas bicubic interpolation.
Resize by Exact Pixels vs. Percentage
Switch seamlessly between exact pixel dimensions for web banners and social media headers, or percentage scaling (25%, 50%, 75%) for quick email attachments.
Standard Social Media & Web Dimensions
Use built-in one-click presets for 1080x1080 Instagram squares, 1920x1080 Full HD displays, 1200x630 OpenGraph link previews, and official passport dimensions.
Frequently Asked Questions
Does resizing reduce image quality?
Downscaling an image reduces its pixel count while maintaining visual crispness via high-quality smoothing. Upscaling beyond original dimensions will interpolate pixels.
Can I batch resize multiple photos at once?
Yes! Drag and drop multiple files at once, apply your dimension rules globally, and export everything in a single ZIP archive.