Canvas In-Browser Graphics

Free Online Image Resizer & Scaler

Resize JPG, PNG, and WebP pictures by exact dimensions (px) or scale percentage with aspect ratio lock. 100% free, private, and instant.

Click to Upload or Drag & Drop Image

Supports JPG, PNG, and WebP files. No file size limits.

Original: 0 × 0 px • 0 KB

Width (px)

Height (px)

Lock Aspect Ratio (Prevent Distortion)

Quick Scale Presets

FAQ

Frequently Asked Questions

Downscaling an image preserves crisp visual sharpness because modern browsers use high-quality bicubic interpolation. Upscaling an image significantly past its original dimensions may introduce slight softness, which is normal for raster graphics.

Yes. Because all image rendering occurs 100% inside your device's browser memory using the HTML5 Canvas API, your high-resolution private photos never get uploaded to any third-party server.

Locking the aspect ratio guarantees that when you change width, the height scales proportionally, preventing your pictures from looking squished or unnaturally stretched.

Standard dimensions include 1200 × 630 px for Facebook/LinkedIn Open Graph banners, 1080 × 1080 px for Instagram square posts, and 1920 × 1080 px for Full HD desktop website headers.

Web Development

Enterprise

Mobile & Apps

Digital Marketing

Ready to Start?

Free Online Image Resizer & Scaler

Click to Upload or Drag & Drop Image

Frequently Asked Questions

Ready to Start?

Free Online Image Resizer & Scaler

Click to Upload or Drag & Drop Image

Frequently Asked Questions

Will resizing reduce the quality of my photos?

Are high-resolution camera photos safe to resize here?

Why should I keep "Lock Aspect Ratio" checked?

What are standard web banner and social media image sizes?