KeroTools

Image Compressor For Website

Large images are the #1 cause of slow websites — our Image Compressor shrinks file size without visible quality loss, which directly helps page speed and Core Web Vitals.

No uploads — 100% privateRuns in your browserFree, no account needed

Use Cases

  • Compressing hero and banner images that load above the fold

  • Optimizing a whole gallery of images before a site launch

  • Converting to a modern format that loads faster in every browser

  • Reducing bandwidth costs on sites with heavy image traffic

Tips & Best Practices

  • Images are usually the biggest chunk of a page's total weight — start there
  • WebP loads faster than JPEG/PNG in every modern browser
  • Compress before uploading — most CMSs don't do it automatically or well
  • Smaller images directly improve your Largest Contentful Paint (LCP) score

How It Works

  1. 1

    Upload Your Images

    Drag in one photo or a whole batch — JPG, PNG, WebP, and more are all supported.

  2. 2

    Set Your Quality Level

    Drag the quality slider and watch the before/after preview update in real time.

  3. 3

    Download the Compressed Files

    Grab each image individually or download the whole batch at once — instantly, no waiting.

Frequently Asked Questions