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Resize Images Online

Resize any image in seconds without installing software. Drop, paste or pick a photo, then set an exact width and height in pixels or scale it by a percentage. Keep the aspect ratio locked so it never stretches, choose PNG, JPG or WebP output, and tune the quality to balance size and sharpness. Everything runs in your browser, so your image never leaves your device and nothing is uploaded to a server.

Choose an image

Your image is processed on your device and never uploaded.

Your resized image will appear here

Upload an image, then set the width, height or percentage.

100% in your browser — nothing is uploaded to a server.

How to use

  1. Drag and drop, paste (Ctrl/Cmd+V), or click to upload your image.
  2. Choose a preset, or enter a target width and height in pixels — or switch to percentage.
  3. Keep "Lock aspect ratio" on so the image scales without distortion.
  4. Pick the output format (keep original, PNG, JPG or WebP) and adjust quality for JPG/WebP.
  5. Click Download image to save the resized file to your device.

Features

  • Resize by exact pixels or by percentage of the original
  • Lock aspect ratio so images never stretch or squash
  • One-click presets: 1920, 1280, 1080, 800, Instagram 1080×1080 and Story 1080×1920
  • Export as PNG, JPG or WebP with an adjustable quality slider
  • Live preview with original size, new size and output file size
  • 100% in-browser — no upload, no sign-up, your image stays private

Frequently asked questions

How do I resize an image without losing quality?
Resizing down to a smaller size keeps images crisp because you are removing pixels. Use PNG or a high-quality (90%+) JPG/WebP setting, and avoid enlarging beyond the original dimensions, which can look soft. This tool uses high-quality smoothing for the sharpest possible result.
Will my image be uploaded to a server?
No. The image resizer runs entirely in your browser using the Canvas API. Your photo is read from your device, resized locally, and never sent anywhere, so it stays completely private.
Can I resize an image to exact pixel dimensions?
Yes. Choose "Dimensions (px)" and type the width and height you need, such as 1080×1080 for Instagram. Turn off "Lock aspect ratio" if you want to force exact dimensions that differ from the original ratio.
Which format should I choose — PNG, JPG or WebP?
Use PNG for graphics, logos and images with transparency. Use JPG for photos where a smaller file matters. WebP gives the smallest files at similar quality and is supported by all modern browsers.
Is this image resizer really free?
Yes, it is completely free with no sign-up, watermarks or limits. Resize as many images as you like directly in your browser.