The tool combines repeated quality and resize passes so you can get close to the requested file size while keeping the workflow private inside the browser.

Handle upload size limits

Use this page when a website, profile flow, or submission system rejects larger images.

Use smart output when needed

WebP or JPG usually reach strict size targets faster than keeping the original format.

Batch target-size compression

Upload multiple files, compare the results, and download the best output for each file.

Compress Image Online Without Uploading

100% Client-Side

Compress image online and reduce image size online directly in your browser. Your images never leave your device.

Batch Image Compression

Reduce image file size for multiple images at once, then download each file or a ZIP.

Adjust Compression Level

Control how much you compress image size so you can balance visual quality and file weight.

JPG, PNG, WebP, GIF

Reduce image size and compress image file size across the most common web image formats.

How to Reduce Image File Size Online

Upload

Upload or paste the image you want to compress online.

Configure

Adjust quality, width, or height if you want to reduce image size more aggressively.

Compress

Click "Compress" to compress image size in your browser.

Download

Download the optimized image with a smaller file size.

Frequently Asked Questions

This tool compresses image online inside your browser, so your files stay on your device while you reduce image size and reduce image file size.

Yes. You can adjust quality and dimensions to compress image size while keeping a strong visual result for web, email, and documents.

You can compress image online for JPG, PNG, WebP, GIF, and HEIC files.

Yes. Batch mode lets you reduce image size online for multiple files and download them one by one or as a ZIP.