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pngquant

pngquant.org

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Spec score 7.9 #45 of 85 in Image Compression Software

Spec sheet

Purpose
pngquant is a command-line utility and library for lossy compression of PNG images.Read 11 Oct 2026 · pngquant.org
Intended users
The maker describes production use in image pipelines, build tools, and CMS plugins.Read 11 Oct 2026 · supso.org
Platforms
The site lists command-line binaries for macOS, Windows, and Linux; the library page also describes iOS and macOS Xcode projects.Read 11 Oct 2026 · pngquant.org
Free plan
YesRead 20 Sep 2026 · pngquant.org
Integrations
The command-line tool can be integrated with shell scripts, GUIs, and server-side software.Read 11 Oct 2026 · pngquant.org
Security
The licensing page says purchase proceeds support security report responses, bug fixes, new features, and long-term maintenance.Read 11 Oct 2026 · supso.org
Support
The project asks users to submit bug reports or feature requests on GitHub.Read 11 Oct 2026 · pngquant.org
Batch processing
YesRead 20 Sep 2026 · pngquant.org
Commercial license
The commercial license permits use in commercial products, internal tools, and customer-facing services, and annual licenses auto-renew unless cancelled.Read 11 Oct 2026 · supso.org
Compatibility
Generated images are described as compatible with all web browsers and operating systems.Read 11 Oct 2026 · pngquant.org
Compression
The site says conversion can reduce file sizes by as much as 70% while preserving full alpha transparency.Read 11 Oct 2026 · pngquant.org
Compression modes
lossyRead 20 Sep 2026 · pngquant.org
Image quality
It uses palette generation and adaptive dithering, and offers a fast mode for real-time processing or large batches.Read 11 Oct 2026 · pngquant.org
Licensing
The project offers GPL or commercial licensing, and its licensing page says organizations generally need a commercial license.Read 11 Oct 2026 · pngquant.org
Limits
The CLI quality setting ranges from 0 to 100, and speed ranges from 1 to 10; speed 10 is described as eight times faster than default with 5% lower quality.Read 11 Oct 2026 · pngquant.org
Metadata controls
YesRead 20 Sep 2026 · pngquant.org
Supported formats
PNGRead 20 Sep 2026 · pngquant.org
Supported interfaces
The native library provides APIs for C, Objective-C, C++, C#, and other languages that can call native code, with dedicated Java and Rust libraries.Read 11 Oct 2026 · supso.org

Plans and prices

2–10 $950 a year Annual Organization size: 2–10 Read 11 Oct 2026 · supso.org
Just me $950 a year Annual Organization size: just me Read 11 Oct 2026 · supso.org
11–50 $1,250 a year Annual Organization size: 11–50 Read 11 Oct 2026 · supso.org
51–200 $2,450 a year Annual Organization size: 51–200 Read 11 Oct 2026 · supso.org
201–500 $3,950 a year Annual Organization size: 201–500 Read 11 Oct 2026 · supso.org
501–1,000 $9,950 a year Annual Organization size: 501–1,000 Read 11 Oct 2026 · supso.org
1,001–2,000 $15,500 a year Annual Organization size: 1,001–2,000 Read 11 Oct 2026 · supso.org
2,001–5,000 $25,500 a year Annual Organization size: 2,001–5,000 Read 11 Oct 2026 · supso.org
5,000+ $49,500 a year Annual Organization size: 5,000+ Read 11 Oct 2026 · supso.org

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