CUTIMAGE RESOURCES
Image guides
Choose the right dimensions, format and quality for the image you actually need.
Practical workflows
PRACTICAL GUIDE
How to resize images for the web
Work out pixel dimensions, keep the aspect ratio, and avoid unnecessary upscaling.
Read guide →PRACTICAL GUIDEJPEG, PNG or WebP: which should you use?
Choose a format for photographs, transparent logos, screenshots, and web delivery.
Read guide →PRACTICAL GUIDEHow to reduce an image to a file size limit
A repeatable resize-and-compress workflow for upload limits, with checks for text and fine detail.
Read guide →PRACTICAL GUIDEHow to create and install PNG favicons
Prepare a square icon, choose sizes, add HTML links, and troubleshoot browser caching.
Read guide →How we write these guides
Examples explain calculations and decisions rather than promise a fixed compression rate. Tool instructions follow the current browser implementation. See About CutImage for how to report a mistake or a browser-specific issue.