Tool

Web Image Analyzer

Enter any URL to see every image on the page with original size, compressed size, and WebP savings. Download optimized images individually or as a ZIP.

Any public URLIn-browser compressionZIP downloadNothing stored

How it works

Audit any website in four steps

Paste a URL and get a full image weight report in seconds. No sign-up, no browser extension.

01

Enter a URL

Type or paste any public webpage address. Works on marketing sites, blogs, e-commerce product pages, and portfolios.

Any public URL
02

Scan the page

Click Analyze. The tool fetches the page, finds every image in HTML tags and CSS backgrounds, then downloads each one to measure its size.

HTML imagesCSS backgrounds
03

Review savings

Each image row shows the original file size, the estimated compressed size, and the potential WebP savings. Sort by biggest savings to find your worst offenders.

CompressedWebPSavings %
04

Download optimized images

Download individual optimized images from each row, or grab everything in a single ZIP ready to drop back into your site.

Single fileBulk ZIP

What it measures

Four metrics for every image

Each image on the scanned page gets the same four-column treatment so you can compare at a glance.

Original size

Baseline

What is actually on your server

  • The actual byte size of the image as served
  • Includes any embedded EXIF or color profile data
  • Reveals images that were never compressed
  • Baseline for calculating all savings percentages
Use it for

The number to benchmark everything else against

Compressed size

Quick win

Savings without changing format

  • Estimated size after lossless or lossy compression
  • Same format, smaller file
  • No browser compatibility concerns
  • Often 30 to 60% smaller than the original
Use it for

Easiest optimization - drop in as a direct replacement

WebP savings

Recommended

The modern format upgrade

  • 25 to 35% smaller than JPEG at equal quality
  • 26% smaller than PNG on average
  • Supported in all modern browsers since 2020
  • Biggest single improvement for most sites
Use it for

Best first step for improving page performance

Dimensions

Context

Pixel width and height

  • Rendered width on the page vs actual image size
  • Oversized images waste bandwidth invisibly
  • Helps identify images that need resizing not just compression
  • Pair with max-width setting in the Image Converter
Use it for

Catch images 4× larger than their display size

FAQ

Frequently asked questions

Common questions about analyzing and optimizing website images.

Scan any public webpage
In-browser compression analysis
Download optimized images as ZIP

Also try

Image compressorImage ConverterHEIC ConverterRemove EXIF data