Saved Tool Outputs & History

Submit Feature Request

Image Resizer Studio

Resize images to exact pixel dimensions, lock aspect ratios, apply social media presets (Instagram, YouTube, Facebook), and export to WebP, PNG, or JPEG.

Free Online Image Resizer & Dimension Converter

Resize JPG, PNG, WebP, and GIF images online. Use aspect ratio locks, percentage scaling (100%, 75%, 50%), and 1-click social media size templates for Instagram Posts, YouTube Thumbnails, and Facebook Covers with 100% browser privacy.

📐

Drag & Drop Image Here

Supports JPG, PNG, WebP, GIF, and BMP files

Upload an image to resize it.

Why Resize Images for the Web?

Serving images in exact rendered pixel dimensions reduces browser layout recalculations, avoids unnecessary image downscaling overhead, and optimizes Largest Contentful Paint (LCP) performance scores.

How to use it

  1. Upload an image file via drag & drop or file selection.
  2. Enter the desired Width and Height in pixels, or click a Social Media Preset.
  3. Keep 🔒 Lock Aspect Ratio checked to prevent distorted image stretching.
  4. Click 📥 Download Resized Image to save your file.

Frequently Asked Questions (FAQ)

What does Lock Aspect Ratio do?

When aspect ratio is locked, entering a new width automatically adjusts the height proportionally to prevent image stretching.

Are my photos uploaded to an external server?

No. Canvas pixel resampling executes 100% locally inside your web browser. Your images stay private on your computer.

Advertisement banner for developer tools