ERDAS ECW/JP2 SDK v5.4 Update 1 for MacOSX


Release Date: Monday, February 25, 2019

ERDAS ECW/JP2 SDK provides support for reading and writing ECW and JPEG2000 file formats in third-party applications. The product is licensed according to intended use – see Licensing in the ERDAS ECW JP2 SDK User Guide for more information.

This full installer includes:

  • ERDAS ECW/JP2 SDK Desktop Read-only
  • ERDAS ECW/JP2 SDK Desktop Read-write
  • ERDAS ECW/JP2 SDK Server Read-only End-user
  • ERDAS ECW/JP2 SDK Server Read-only Redistributable
  • ERDAS ECW/JP2 SDK Server Read-write
  • ERDAS ECW/JP2 SDK Mobile Read-only


  • Supported platform of the ECW/JP2 SDK

Install Instructions

  • View the ERDAS ECW JP2 SDK User Guide

Selected Highlights 

  • Addressed vulnerability FG-VD-19-015 reported by Fortinet.
  • Modified JP2 output of RGB + extra bands to not write a colour definition (CDEF) box which allows Kakadu to correctly decode the image.
  • Add support to ECW Header Editor to remove CDEF box for JP2 files specified above.
  • Fixed reference counting to be more accurate for ECW cache.
  • Fixed conflict on Linux with TinyXml symbols.
  • Fixed issue where the low memory encoder, may call input tiles multiple times.
  • Fixed CBlockingDecoder throwing exception in constructor.
  • NCSOpenFileView failed on specific ECW file on Visual Studio 2017 x64 build, fixed with MSVC 141 update (optimization issue).
  • Missing headers from Mac and Linux install (NCSStringUtils.h and NCSXmlUtils.h).
  • Updated XCode projects to correct target build directory.
  • Resolve output warning in CPacket::ParseHeader when decoding j2k conformance file.
  • Resolve issue where SPOT JP2 files were not returning the correct EPSG code.
  • Fixed crash in cexample7, fixed occasional read error in cexample6.


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