Image Compression: Reduce File Size Without Losing Quality

Learn image compression basics, format choices, and practical steps to reduce file size for web and sharing.

Compression helps images load faster and share more easily. The best settings depend on whether the image is a photo, a logo, or UI graphics with sharp edges.

What you'll learn

How to get correct results fast
Best practices and practical workflow
Common mistakes to avoid

Step-by-step

Resize the image to its target display dimensions first.
Compress with a balanced quality setting and review output.
Use JPG or WebP for photos, and PNG where transparency is required.
Compare size savings and visual clarity before publishing.

Common mistakes

Compressing before resizing, which can waste quality.
Using PNG for large photos when JPG or WebP is better.
Over-compressing text-heavy images and screenshots.

Related tools

Reduce image file size in your browser using quality controls with no server upload.

Resize image dimensions with optional aspect-ratio lock and instant local download.

Image Converter

Convert image format between PNG, JPEG, and WebP with quality controls for web delivery.

Related comparisons

PNG vs JPG: Which Is Better?

Frequently asked questions

Is compression the same as resizing?

No. Resizing changes dimensions; compression reduces file size.

What format is best for photos?

JPG or WebP is typically best for photos.