pngquant is a command-line utility and a library for lossy compression of PNG images.
Cost / License
- Free
- Open Source
Application typeApplication types
PolandPlatforms
- Mac
- Windows
- Linux
Pi7 Image Tool Alternatives
Sites and apps similar to Pi7 Image Tool include Caesium Image Compressor, which is free and open source. Other options are Dinky, XnConvert, ImageOptim and Squoosh. There's no shortage of Image Optimizers like Pi7 Image Tool, with more than 25 alternatives for Mac, Windows, Linux and Android.
Alternatives list
- 83 pngquant alternatives
114 Oxipng alternativesOxipng is a multithreaded lossless PNG compression optimizer in Rust. It can be used via a command-line interface or as a library in other Rust programs.
Cost / License
- Free
- Open Source (MIT)
Application typeApplication types
Platforms
- Mac
- Windows
- Linux
- Squoosh
Free, private image conversion across many formats. All processing happens locally on your PC — no uploads, no servers. Batch process, resize, smart crop, and fine-tune quality.
Cost / License
- Free
- Open Source (GPL-3.0)
Application type
Platforms
- Windows
+1
92 Pingo - image optimizer for web alternativesExperimental, fast Web PNG/JPG optimizer which offer lossless, visually lossless or lossy compression. it performs image reductions over iterations thanks to recursive multi-processing and multithreading systems.
Cost / License
- Free
- Proprietary
Application typeApplication types
Platforms
- Windows
252 Koolyz alternativesYour ultimate collection of 100+ free online tools, designed to simplify everyday tasks in seconds. Fast, smart, and easy to use.
Cost / License
- Free
- Proprietary
Platforms
- Online
ImagiTool offers best image tools online. Free photo resize tool, image compress tool, and picture convert tool. Batch processing, secure image resizing tool.
Cost / License
- Free
- Proprietary
Application typeApplication types
Platforms
- Online
- Global
Simple local image converter for Windows and Linux, built to optimize images into WebP and AVIF without upload or download steps.
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Windows
- Linux
Austria
EU
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.
Platforms
- Online
- Software as a Service (SaaS)
100 E-mage alternativesFrom developers to developers: a cross-platform tool for losslessly image compression.
Cost / License
- Free
- Open Source (MIT)
Alerts
- Discontinued
Platforms
- Mac
- Windows
- Linux
The ultimate image optimization tool to compress your images in JPEG and PNG formats for sharing and posting on web pages.
Cost / License
- Free
- Proprietary
Application type
Platforms
- Online
Free native macOS image compressor for Apple Silicon. Drop PNG, JPEG, GIF, SVG, WebP, AVIF or HEIC files onto the window and get smaller copies beside the originals.
Cost / License
- Free
- Open Source (MIT)
Application typeApplication types
Platforms
- Mac
- Homebrew
Canada
+2
A free web app providing 200+ online tools for developers, including JSON formatters, PDF mergers, code converters, data generators, and more—no signup required.
Cost / License
- Free
- Proprietary
Platforms
- Online
India