Optimizing images isn't just about compressing them. It also involves resizing, renaming, and choosing the right format. Here are the top 5 tools you can use for free.
PixelPro allows you to compress, crop, and resize images directly in your browser without uploading them to a server. It's secure, fast, and completely free.
One of the oldest tools on the web. It uses smart lossy compression techniques to reduce the file size of your PNG files. Very easy to use.
This is not a compressor, but a testing tool. Google will analyze your website and tell you exactly which images are too big and need fixing.
While creating designs, Canva allows you to download images in "Compressed" quality directly, saving you time later.
An advanced tool by Google Chrome Labs. It gives you a lot of technical options if you want deep control over compression settings.