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Analyzed almost 3 years ago. based on code collected over 9 years ago.

Project Summary

nQuant is a .net color quantizer that produces high quality 256 color 8 bit PNG images. nQuant often reduces the size of a 32 bit image to a size 3 times smaller than its original with quality surpassing what the standard C command line utilities produce.

nQuant was developed as part of a larger effort, RequestReduce, which is an http module that automatically minifies and merges CSS as well as sprites their background images on the fly. I wanted the sprited files to be optimized and I was not satisfied with the size of the 32 bit images that the .net library was producing nor was the quantization output of such quantizers as PNGQuant and PNGNQ of acceptable quality. I set out to create this quantizer and the results are images 3x smaller than their 32 bit originals with little loss.


imageprocessing palette png png-8 quantization rgba

In a Nutshell, nQuant...

Apache License 2.0

Commercial Use



Place Warranty


Private Use

Use Patent Claims


Hold Liable

Use Trademarks


Include Copyright

State Changes

Include License

Include Notice

These details are provided for information only. No information here is legal advice and should not be used as such.

Project Security

Vulnerabilities per Version ( last 10 releases )

There are no reported vulnerabilities

Project Vulnerability Report

Security Confidence Index

Poor security track-record
Favorable security track-record

Vulnerability Exposure Index

Many reported vulnerabilities
Few reported vulnerabilities

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About Project Security

 Code locations have been removed since last analysis

At one point, Open Hub analyzed source code for this project based on code location(s) available at that time. Since then, the code locations have been removed.

30 Day Summary

Dec 29 2012 — Jan 28 2013

12 Month Summary

Jan 28 2012 — Jan 28 2013
  • 18 Commits
    Up + 9 (100%) from previous 12 months
  • 2 Contributors
    Down 0 (0%) from previous 12 months


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