Opening a PGW File

The PGW file type is primarily associated with GDAL.

PGWFile Extension PGW
File extension: PGW
File type:  plain text file

What is a PGW file?

PGW files mostly belong to GDAL. PGW files are used to store georeferencing parameters that link a raster image to real world coordinates.
They are plain text files containing six lines of numeric data. These six numbers define the transformation from pixel space to map space. For example, the file typically includes:
  • Pixel size in the X direction
  • Rotation factor (Y axis)
  • Rotation factor (X axis)
  • Pixel size in the Y direction (usually a negative value to reflect coordinate systems)
  • X coordinate of the upper left pixel center
  • Y coordinate of the upper left pixel center
  • These values enable GIS software to correctly position the associated image on a map. Programs such as ArcGIS, Global Mapper and libraries like GDAL use PGW files to perform raster georeferencing.
    You can open a PGW file in a standard text editor to view its numbers; however, editing these requires an understanding of geospatial transformations.
    Multiple mapping applications (for example, MapInfo Pro and GeoMedia Professional) produce and use these files, even when they are alternatively called Geospatial World Files or GeoTIFF world files.
    FilExt.com note: Keep the PGW file with its corresponding image to ensure that georeferencing is preserved.

    How to open PGW files

    You need a suitable software like GDAL to open a PGW file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your PGW file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a PGW file directly in the browser:. Just drag the file onto this browser window and drop it.

    Online PGW Text Viewer

    Choose your .pgw file to view

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    How to extract texts from PGW files or capture a screenshot to PDF, JPG, DOCX, TXT, ...

    You can extract texts from PGW file or capture a preview screenshot using our online PGW file viewer:
    1. To do this, click the button "Choose your .pgw file to view" on this page.
    2. Your PGW file will then be displayed in the browser.
    3. Now click on "Save as..." at the top of the page.
    4. Then choose the file format (e.g. JPG, PDF, DOCX, TXT, ...) you want.
    5. Download the converted file.

    Programs that open and convert PGW files:

    1. GDAL
      See the previous paragraphs to learn more about the main application. PGW files are often referred to as GDAL gis because this type of file is primarily created or used by this software.
    2. Map File

    PGW file format:

    If you can determine the file format, the associated program can also be determined. The file format can be determined based on the file extension and the signature (the first few characters of a file). If the file extension or signature does not match the file format, errors will occur when opening or editing the file. When there is a problem with a file, the first step to solving it is to determine the file format. Below is our analysis of the PGW files:

    The PGW extension is very commonly used. This PGW file itself is among the most popular common file types and includes different formats for the applicable programs. The two most popular formats are as follows:

    The remaining 46% of all PGW files are different files with different signatures. Files like these are sometimes linked to kartbilde, collection, satellite, meter, coverage, aerial, ljaumc, raster, cacak, lassi, study, area, clip, depr, foto or qgis. Drag & drop your file here to see the file format and a preview of your PGW file!

    Technical Data for PGW File Extension

    File classification:
    GIS
    Related files:
    tfw, jgw, wld, tab, prj, extract-pgw, zip, png, dof_2018_geodet, ovr, world, ico, pdf, xml, mif, dwg, tif, dwl
    Mime type:

    a pgw plain text file is a special file format and should only be edited and saved with the appropriate software.

    How to solve problems with PGW files

    • Associate the PGW file extension with the correct application.
    • Update your software that should actually open plain text files. Because only the current version supports the latest PGW file format. Search, therefore, e.g. on the manufacturer website after an available GDAL update.
    • To make sure that your PGW file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
    • Click here to open your .PGW file online - secure, fast, and no downloads needed.
    Drop here
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    PGW file viewer PGW file description