Image Resize
Resize JPG, PNG, or WebP by exact pixel dimensions or percent. All processing happens in your browser via the Canvas API.
Drop an image here or
JPG · PNG · WebP · processed locally
Image resize changes a photo's pixel dimensions — usually to shrink it, occasionally to upscale (rarely a good idea, but supported). Common reasons: an upload portal demands a specific size, a profile photo needs to be exactly 400×400, a hero image should be 1920 wide for a banner, or a phone photo at 4032×3024 is overkill for a chat app. The ToolEdge Image Resize tool runs entirely in your browser via the Canvas API; nothing is uploaded.
Resampling uses the browser's high-quality Lanczos-equivalent algorithm — for shrinking, the output is as sharp as any desktop tool. For upscaling beyond ~2×, no tool gives genuinely better quality without AI (which we don't run in-browser). For social media and web use, presets cover the common sizes: Instagram square / portrait / landscape, Facebook cover, YouTube thumbnail, X header, LinkedIn banner, and standard device resolutions.
Common use cases
- Resizing a 12-megapixel phone photo down to 1200px wide for a website upload.
- Cropping a profile photo to an exact 400×400 for a service that rejects other sizes.
- Generating a 1920×1080 background image from a higher-res photo.
- Producing the 1280×720 YouTube thumbnail size from a screenshot.
- Shrinking everything in a folder to 50% to make a batch lighter for archiving.