Image Resizer

Resize JPG, PNG, WEBP or HEIC images to exact pixel dimensions, keep the aspect ratio, batch process. Runs in your browser; nothing is uploaded.

🔒 Your files never leave your device. Conversion runs entirely in your browser — nothing is uploaded to any server.

Resize to exact dimensions

Enter a width, a height or both. With Keep aspect ratio on, the image is scaled to fit inside the box you set without distortion. Turn it off to force exact dimensions (the image is stretched).

Common sizes

  • Profile photo (LinkedIn, Slack, Teams): 400 × 400
  • Email newsletter image: 600 px wide (1200 for retina)
  • Full-HD slide or web banner: 1920 × 1080
  • LinkedIn post image: 1200 × 627

FAQ

Can I enlarge an image?

Yes, but enlarging can't add detail, so the result looks softer.

Is anything uploaded?

No—resizing uses your browser's canvas, locally.

Related tools

FAQ

Is Image Resizer safe for confidential files?

Yes. It runs entirely inside your browser, so your files and text are never uploaded to a server.

Is Image Resizer free?

Yes — free with no sign-up, no daily limits and no watermark.

Does it work on my phone?

Yes. FileMoss tools work in current iPhone and Android browsers as well as on desktop.