Pichi for Mac is the best and quickest tool for optimizing and resizing your images individually or in batches.

free online image compressor for faster websites! reduce the file size of your webp, jpeg, and png images with tinypng.

.Net based application that does Content-Aware Image Resizing just like Photoshop CS4.

Mini-Compressor is an easy to use image compression tool. Compress images by right clicking on the images or folder of images. A viable alternative to other photo editing software if all you need to do is quickly compress a image.

Compress.Studio is a serverless image compression tool with decentralized storage. Open/Add any .jpeg, .jpg or .png image. By default, it compresses your image to the best size and quality. Select your preferred size to compress the image. Login with .

4K Image Compressor makes it easy to shrink photos without losing quality. Save space, share easily on social media, and speed up your website's loading time with smaller image files.

Drag your PNGs onto PNGCrushrrr and get super-optimized files ready to be emailed or posted on the web! Supports one or more files being dropped and instead of overwriting your original files, PNGCrushrrr outputs .crushed.png files for comparison.

Reduce your image file sizes with Kingshiper Image Compressor, allowing you to easily optimize and compress your images without any quality loss.

Image Compressor is a desktop software to compress images in your computer and/or change the extension. You could reduce up to 99% of the original size! Compress any image and save size with almost the same quality.

Shrinks images and documents losslessly by optimizing existing compression. Run it comfortably in the background to save hard disk space and bandwidth.

ImgTools offers several tools to process your images in batch.

A Mac app and Chrome extension that optimizes/compresses images and PDFs. Tinybeest also converts file formats and resizes images for the web.