ImageGear v26.3 - Updated November 9, 2022
Developer Guide / File Formats and Compressions / File Formats / File Formats Reference
File Formats Reference

This section provides a reference for every imaging file format supported by ImageGear. Each file format page provides the following information:

  • Full Name - Full name of the file format.
  • Format ID - ImageGear constant that determines the file format ID used for loading this file in ImageGear-based application.
  • File Extension(s) - The extensions used for the file format.
  • Data Type - The type of the file format (raster, vector, metafile).
  • Data Encoding - The type of data encoding. Please see the section Encoding vs. Compressing.
  • ImageGear Multi-Page Support - Shows whether ImageGear supports the file format as multi-page or single page.
  • ImageGear Alpha Channel Support - Shows whether or not ImageGear supports the alpha channel for the file format.
  • ImageGear Supported Versions - Shows the versions of the file format supported by ImageGear.
  • ImageGear Supported Features - Shows the ImageGear format filter features supported by ImageGear for this format.
  • ImageGear Read Support - Provides all compressions, color spaces, channels, and bit depths supported by ImageGear for the file format reading.
  • ImageGear Write Support - Provides all compressions, color spaces, channels, and bit depths supported by ImageGear for the file format writing.
  • ImageGear Filter Control Parameters - Provides all filter control parameters supported by ImageGear for this format filter.
  • Comments - Some general information about format encoding and compression structure.
  • References Used - References to the information sources for the file format.

Currently ImageGear supports the following file formats: 

Format Read/Write Description Assembly
BMP Read/Write Standard Windows format including OS/2 bitmap format ImageGear.Core.dll
CLP Read/Write Windows Clipboard format for raster images ImageGear.Core.dll
CUR Read/Write For reading Windows 3.x and Windows95 mouse cursor display ImageGear.Core.dll
DIB Read/Write DIB (Microsoft Windows Device Independent Bitmap) ImageGear.Core.dll
DNG Read Digital Negative file format ImageGear.Core.dll
DOC Read Microsoft Office Word 97-2003 format. ImageGear.Formats.Office.dll
DOCX Read Office Open XML Word format. ImageGear.Formats.Office.dll
EML Read Internet Message Format for email documents ImageGear.Formats.Email.dll
GIF Read/Write Graphic Image Format developed originally in accommodate the transmission of images via a modem; uses LZW compression algorithm. ImageGear.Core.dll
JPEG Read/Write ANSI-standard, full-color image format; IG supports all aspects of this format including lossless and progressive; JFIF - industry standard header for JPEG compressed images. ImageGear.Core.dll
MSG Read Microsoft Outlook Message format for email documents ImageGear.Formats.Email.dll
PDF Read/Write Adobe PDF file format. ImageGear.Formats.Pdf.dll
PNG Read/Write Portable Network Graphics, intended as successor to GIF ImageGear.Core.dll
PPT Read Microsoft Office Power Point 97-2003 format ImageGear.Formats.Office.dll
PPTX Read Office Open XML Power Point format ImageGear.Formats.Office.dll
PS Read/Write Adobe PostScript file format. ImageGear.Formats.Pdf.dll
RAW Read Header-less image ImageGear.Core.dll
SVG Write Scalable Vector Graphics ImageGear.Core.dll
TIFF Read/Write Tagged Image File Format. ImageGear supports every aspect of this format. ImageGear.Core.dll
XLS Read Microsoft Office Excel 97-2003 format. ImageGear.Formats.Office.dll
XLSX Read Office Open XML Excel format. ImageGear.Formats.Office.dll