From developers to developers: a cross-platform tool for losslessly image compression.
Cost / License
- Free
- Open Source
Alerts
- Discontinued
Platforms
- Mac
- Windows
- Linux

ImgSmaller is described as 'Privacy-first image compression tool that lets you compress JPG, PNG, and WebP images directly in your browser. No data leaves your device thanks to our Zero-Upload Mode. If your browser doesn't support this, the image is temporarily uploaded to our server' and is an website in the security & privacy category. There are more than 50 alternatives to ImgSmaller, not only websites but also apps for a variety of platforms, including Windows, Mac, Linux and SaaS apps. The best ImgSmaller alternative is Caesium Image Compressor, which is both free and Open Source. Other great sites and apps similar to ImgSmaller are XnConvert, ImageOptim, RasterFox and TinyFast.
From developers to developers: a cross-platform tool for losslessly image compression.

optimus.io offers lossless compression of images available with a WordPress plugin and via API.




Pngcrush is an optimizer for PNG (Portable Network Graphics) files. It can be run from a commandline in an MSDOS window, or from a UNIX or LINUX commandline.



FILEminimizer Pictures from balesio compresses digital images and photos with file size reductions by up to 98%. For example, a JPEG photo with a size of 5 MB can be reduced to only 0.08 MB. The software features an innovative image optimization technology: the powerful...

PngOptimizer compresses graphics files and removes extra, unnecessary data without affecting quality. It will update PNG files or converting BMP, GIF or TGA files to the PNG format using simple drag-and-drop.



tinyPNG.App provides a GUI front end for tinyPNG for your local computer so you can optimize images using the tinyPNG API service. Available on Windows, macOS & Linux.



A versatile online image compression tool that prioritizes your privacy. It handles everything locally in your browser—nothing is ever uploaded. Convert between JPG, PNG, GIF, and WebP, resize by dimension or ratio, and fine-tune quality with a live preview.



Clever Compress is a free online tool for image compression and conversion. Optimize JPEG, PNG, WebP, and more directly in your browser, ensuring full GDPR compliance. No images are sent to servers, making it fast, secure, and reliable.

PixTrim is a simple online tool to resize, crop, compress, convert, flip, and rotate images in popular formats like JPG, PNG, WebP, AVIF, and HEIC — all for free and right in your browser.




TruePNG is one of the most advanced PNG optimizers available. It does the most exhaustive checks for reductions, that lets it to optimize further, even if it uses a less efficient compression algorithm than others tools.
