DjVuLibre is an open source (GPL'ed) implementation of DjVu, including viewers, browser plugins, decoders, simple encoders, and utilities.
Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux
- BSD


DjVuLibre is an open source (GPL'ed) implementation of DjVu, including viewers, browser plugins, decoders, simple encoders, and utilities.


SVGOMG is SVGO's Missing GUI, aiming to expose the majority, if not all the configuration options of SVGO.


Trimage is a cross-platform GUI and command-line interface to optimize image files via optipng, advpng and jpegoptim, depending on the filetype. All image files are losslessy compressed on the highest available compression levels.

Imagery is one of the most powerful tools you have to make a sale or get your message across. With imgix, you can give your customers a high-quality, compelling brand experience at the speed they expect, no matter what device or platform they're on.
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 .


Simple local image converter for Windows and Linux, built to optimize images into WebP and AVIF without upload or download steps.




NXPowerLite is a lightweight, super simple, easy to use file compression tool for PDFs, images, documents without losing quality. It works fast, integrates with Windows Explorer, Supports batch processing—perfect for freeing up space, speeding up emails, and reducing upload times.



CompressImage.io lets you compress your jpg and png images to reduce image file size by up to 90%. Its totally private, your images are not sent to any servers. The compression process happens in the browser which makes it very fast.

Minuimus is a file optimizer utility script: You point it at a file, and it makes the file smaller without compromising the file contents.
AdvanceCOMP is a collection of recompression utilities for your .ZIP archives, .PNG snapshots, .MNG video clips and .GZ files.
Transform your images from MB to KB effortlessly with ImageMinify! Created by a dedicated developer, this user-friendly app compresses image files while maintaining their quality, making it perfect for anyone looking to reduce file size without sacrificing clarity.





Dynamic image processing, hosting and rich-media for retailers and eCommerce. Sirv saves you time by automatically optimizing, resizing and choosing the most optimal format of your images, delivering a unique experience to each of your users.



Offline platform for bulk image conversion, resizing, compliance, and AI-powered editing with over 550 tools, supporting 64+ formats and zero data uploads.




A 100% offline image converter for Windows — fast batch processing with no uploads, no tracking, and no subscriptions.



Compress hundreds of images in seconds. Everything stays on your computer. No uploads, no accounts, no subscription.

Kingshiper Video Compressor is a professional video and GIF compression tool that allows you to compress video and GIF files in seconds. It offers various compression methods and customizable compression levels.




The best free and fast CDN for images, CSS, JavaScript, and open source. Statically is powered by multi-CDN: Google Cloud CDN, CloudFront, Cloudflare, Fastly, and BunnyCDN.

FLIF is a novel lossless image format which outperforms PNG, lossless WebP, lossless BPG, lossless JPEG2000, and lossless JPEG XR in terms of compression ratio.


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.



Image CDN optimizes delivery and SEO through dynamic resizing, compression, smart alt text, and API-driven adaptation for device, format, and screen size.






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.
