Resize Images Online, Free Image Resizer
Set exact pixel dimensions or scale by percentage: for social, print or the web.
How to resize images
To resize an image, open the image resizer, enter the target width and height in pixels (or a scale percentage), and choose whether to keep the aspect ratio locked. The tool redraws the picture at the new dimensions using high-quality resampling, so edges stay smooth and text stays legible. This is the fast way to fit a photo to a social profile, an email header, a print size or a web layout. GigAI's resizer works entirely in your browser. No upload, no size cap, and the original stays untouched.
3 tools for this task
Every one is free, private and runs in your browser. No sign-up.
Image Resizer
Resize any image to exact pixel dimensions with an optional aspect-ratio lock and ready-made social presets, free and fully in your browser.
AI Image Upscaler
Enlarge photos and graphics 2x or 4x in your browser with a real ESRGAN neural network that reconstructs sharp detail, free, private and nothing uploaded.
Video Resizer
Resize video resolution in your browser with FFmpeg: scale MP4, MOV, WebM and MKV to 1080p, 720p, 480p or a custom width and height, lock the aspect ratio or fit-and-pad, then download. Nothing is uploaded.
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Start with Image Resizer
Free, private and instant: everything runs in your browser.