PNG Resizer — Resize PNG Online Free

Resize PNG, JPG, GIF, and WebP images instantly in your browser. No upload. No signup. No software. Your images never leave your device.

Free online PNG resizer with exact pixel dimensions and social media presets

PNGResize.com is a free online image resizer that runs entirely in your browser — nothing is uploaded to any server. Resize a PNG to exact pixel dimensions by typing the width and height, pick a one-click social media preset for Instagram, Facebook, Twitter, YouTube, or LinkedIn, or use the percentage slider to scale up or down. Aspect ratio lock keeps your image proportional automatically.


How to resize a PNG image online

  1. Upload your image — drag and drop a PNG, JPG, GIF, or WebP file onto the tool, or click Browse to select one from your computer.
  2. Set the size — type exact pixel dimensions (e.g. 160×160 for a profile icon, or 1080×1080 for an Instagram post), choose a social media preset, or drag the percentage slider.
  3. Download — click the Download button to save the resized image to your device. No account needed.

The resized image is shown in the preview with its new width, height, and file size in KB before you download.

Frequently Asked Questions

Drag and drop your PNG onto the tool, or click Browse to select it. Enter the exact pixel dimensions you need, pick a social media preset, or use the percentage slider. Then click Download to save the resized image. No account or software needed.

Upload your image, then either type 160 in the Width and 160 in the Height fields, or click the Profile Icon (160×160) preset button. Click Download to save the result.

PNG Resizer supports PNG, JPEG, JPG, GIF, BMP, and WebP image formats.

Downscaling (making an image smaller) preserves quality well because pixels are removed. Upscaling (making an image larger) can reduce sharpness because new pixels must be generated. For best results, avoid upscaling beyond 150% of the original size.

No. PNG Resizer runs entirely in your browser. Your images are never uploaded to any server and never leave your device. This makes it completely private and safe to use with sensitive images.

Upload your image and click one of the Instagram presets: Instagram Post (1080×1080) for a square post, or Instagram Story (1080×1920) for a vertical story. Then click Download.

Yes. After uploading your image, type the exact width and height in pixels into the dimension fields. Enable the 🔒 lock icon to maintain the aspect ratio automatically, or unlock it to set width and height independently.

Yes, PNG Resizer is completely free with no account required, no watermarks, and no file size limits.