pngquant Alternatives [Page 3]

Imgsquash is an online image compressor website for JPG and PNG files with support for bulk compression and parallel uploading.

Magento 2 WebP Images is the extension for Magento 2 image optimization which allows to optimize images by converting them to next-generation image format - WebP. 

paid $99.0 / One-off

Image hosting & video hosting for eCommerce sellers

Try for free freemium $14.68 / Monthly (500 images)

Free Lossless Image Format

Adobe Photoshop is a webtop application for editing images and photos online.

Transparent automatic compression of a wide array of file types, using well established open source utilities.

Create favicons from customizable text.

OpenCV is the world's biggest computer vision library

Open Source

Resize an image in pixels, percentage, or ratio online. Downscale or upscale the image dimensions. Supports the PNG, JPEG, WEBP, HEIC, GIF, ICO, TIFF, BMP, and SVG formats.

Free Image Convert and Resize is a compact yet powerful program for batch mode image processing.

GIMP is a multiplatform photo manipulation tool.

Open Source

Fast and effective C++ file optimizer. Contribute to fhanau/Efficient-Compression-Tool development by creating an account on GitHub.

Optimizilla is an online image optimizer uses a smart combination of best optimization and lossy compression algorithms in order to shrink JPEG and PNG pictures to the minimum possible size while keeping the required level of quality.

XnView is a free software that allows you to view, resize and edit your images. It supports more than 500 different formats!