How to Compress an Image for a Website
Oversized images are the number one cause of slow web pages and poor Core Web Vitals scores.
Open the Compress Image toolCompressing your images before uploading them cuts page weight, speeds up load times, and helps your search rankings — without a visible drop in quality.
Compress your image here, then upload the optimized version to your site or CMS.
Steps to Compress an Image for a Website
Add your image
Drop in a JPG, PNG, or WEBP file — or several at once.
Set the quality
Slide the quality control until the preview hits the size you need.
Download
Save the smaller image, or download a zip if you compressed a batch.
No visible quality loss
The compressor trims file weight while keeping the image looking the same to the eye.
100% private
Everything happens in your browser. Your files are never uploaded to a server, so nothing is stored, shared, or seen by anyone but you.
Free, no sign-up
No account, no watermark, and no install. Use it as many times as you need, completely free.
Ready to start?
Compress Image runs free in your browser — your files never leave your device.
Open Compress ImageFrequently asked questions
Does image size affect SEO?+
Yes. Faster-loading pages rank better and keep visitors from bouncing. Compressed images are one of the easiest speed wins.
Which image formats are supported?+
JPG, PNG, and WEBP. You can also convert between them if a different format compresses better for your image.
Can I compress several images at once?+
Yes. Add multiple files and download them together as a zip.