126+ free tools that run in your browser — no uploads, no sign-up

Image Optimizer

Optimize images for the web without losing visible quality.

Optimised images are one of the most effective ways to improve page speed and search performance.

About Image Optimizer

Optimize photos for faster page loads by shrinking file size to a target weight while keeping visible quality intact — the same on-device compression engine used across the site, tuned here for web performance and Core Web Vitals-friendly image sizes.

Optimised images are one of the most effective ways to improve page speed and search performance. This image optimizer reduces file weight while preserving visible quality, helping your pages load faster and pass Core Web Vitals checks. Everything runs locally in your browser.

How to use Image Optimizer

  1. Upload your image.
  2. Select a target size that fits your page budget.
  3. Run the optimiser.
  4. Download the lighter image and use it on your site.

Key features

  • Web-focused size reduction.
  • Supports JPG, PNG and WebP.
  • Shows exact size savings.
  • No uploads and no sign-up.

Common use cases

  • Preparing hero images and product photos for a fast website.
  • Reducing image weight to improve Largest Contentful Paint.
  • Slimming down images for email newsletters.

Frequently asked questions

Related tools

More Image tools