RootUtils

Image Resizer

Client-Side Secure

Resize pixel dimensions and compress images. Lock aspect ratio and convert to JPG/PNG/WEBP.

Free Online Image Resizer & Optimizer

Change dimensions & compress.

Drop Image Here

Supports JPG, PNG, WEBM, GIF (Static). No size limits.

Resize Options

Width
x
Height
Quality90%

Is this tool broken?

Let us know if you found a bug or have a feature request.

Free Online Image Resizer & Compressor

Resize images to specific pixel dimensions or compress them to reduce file size without losing visible quality. Perfect for optimizing images for websites, social media headers, or email attachments.

Pixel Perfect

Need an image exactly 1200x630 for a meta tag? Enter the exact width and height. Use the "Lock Ratio" toggle to prevent distortion.

Smart Compression

Reduce file size by up to 90% by adjusting the quality slider. We use advanced browser algorithms to strip unnecessary data while keeping the image looking crisp.

Lightning Fast

Everything happens locally. No uploading huge files to a server, no waiting in queues. Your images stay private on your device.

Social Media Size Guide (2025)

Instagram

  • Square Post 1080 x 1080 px
  • Portrait Post 1080 x 1350 px
  • Story / Reel 1080 x 1920 px

YouTube

  • Channel Banner 2560 x 1440 px
  • Thumbnail 1280 x 720 px
  • Profile Picture 800 x 800 px

How to Resize an Image

  1. Upload your photo: Drag and drop your image file (JPG, PNG, or WEBP) onto the canvas area.
  2. Set Dimensions: Enter your desired width or height. Keep the "Lock" icon active to maintain the aspect ratio so your image doesn't look stretched.
  3. Adjust Quality: Lower the quality slider to reduce the file size. For web use, 80-90% is usually the sweet spot between quality and speed.
  4. Download: Click the download button to save your newly optimized image instantly.