Pngcrush for Windows

Used Pngcrush for Windows?

Editors’ Review

Download.com staffFebruary 20, 2026

Pngcrush is a powerful PC tool that optimizes PNG files by reducing their data stream size and managing ancillary chunks effectively.

Top Recommended Alternative

CompuPic Pro

Trial version

Pros
- Reduces PNG IDAT datastream size.
- Tests various compression levels.
- Explores different PNG filter methods.
- Removes unwanted ancillary chunks.
- Adds specified chunks like gAMA and tRNS.
Cons
No Cons available

Pngcrush for Windows

Used Pngcrush for Windows?

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Full Specifications

GENERAL

Release: July 2, 2013

Latest update: February 20, 2026

Version: 1.7.65

OPERATING SYSTEMS

Platform: Windows

Operating System

Windows 10
Windows Vista
Windows 7
Windows XP

Additional Requirements: None

POPULARITY

Total Downloads: 165

Downloads Last Week: 1

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Developer’s Description

By Glenn Randers-Pehrson

Optimize your PNG files on PC.

Pngcrush can reduce the size of the PNG IDAT datastream by trying various compression levels and PNG filter methods. It also can be used to remove unwanted ancillary chunks, or to add certain chunks including gAMA, tRNS, iCCP, and textual chunks.