Imagine is a desktop app for compression of PNG and JPEG, with a modern and friendly UI. Save for web.
Cost / License
- Free
- Open Source (MIT)
Application typeApplication types
Platforms
- Mac
- Windows
- Linux

Sites and apps similar to ImgSmaller include Caesium Image Compressor, which is free and open source. Other options are XnConvert, Dinky, ImageOptim and Squoosh. Image Optimizers like ImgSmaller are a crowded field, with more than 50 alternatives for Windows, Mac, Linux, Android and self-hosting.
Imagine is a desktop app for compression of PNG and JPEG, with a modern and friendly UI. Save for web.

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




Batch image compression for Mac — supports PNG, JPEG, GIF, WebP, SVG, HEIC with local processing, drag & drop, and quality preview.

A powerful online image compressor tool. Users can compress unlimited images at an instant. Currently supports 1GB of file compression at an instant. IMGCentury.com supports JPG, BMP, WEBP, ICO, SVG, AVIF, PNG, JFIF and many more.




A local, open-source image compressor with a minimalist desktop GUI for Windows and macOS, alongside a scriptable CLI for macOS and Linux.


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.



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...

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.

Curtail (previously ImCompressor) is a useful image compressor, supporting PNG and JPEG file types. It support both lossless and lossy compression modes with an option to whether keep or not metadata of images. It is inspired by .


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.


