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Convert PFM to G4

Convert PFM images to G4 format, edit and optimize images online and free.

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Portable Floatmap (.pfm)

The Portable Floatmap (PFM) file format, also known as Portable FloatMap, is an image file format designed to store High Dynamic Range (HDR) images using floating-point values. Developed in the spirit of the Portable Pixmap format, PFM files contain image data with resolutions and byte order specified in the header. This format is particularly useful for applications requiring precise image data, such as computer graphics and image processing. PFM has been widely adopted in the IT industry for its ability to handle a wide range of pixel values beyond the standard 0-255 range, making it ideal for HDR imaging and other advanced visualizations.

PFM Converter More About PFM

CCITT Group 4 Fax Image (.g4)

The G4 file extension, standing for CCITT Group 4 Fax Image, is a specialized format used primarily for storing black-and-white facsimile (fax) images. Its origins trace back to the Consultative Committee for International Telegraphy and Telephony (CCITT), now known as the ITU-T, which developed the Group 4 standard in the 1980s to improve fax transmission efficiency over digital networks. This format employs a high compression ratio to reduce file size while maintaining image quality, making it ideal for archiving documents and transmitting faxes in professional and business environments.

G4 Converter More About G4

How to convert PFM to G4?

  1. Upload PFM File

    Click the Choose File button to select the PFM file.

  2. Select PFM Tools

    Pick any PFM to G4 tools if you need to edit your PFM file, then click the Convert button.

  3. Download Your G4

    After the convert is complete, click on the Download button to get your G4 image.

Convert PFM to G4

Frequently Asked Questions

How to change PFM format to G4?

To change PFM format to G4, upload your PFM file to proceed to the preview page. Use any available tools if you want to edit and manipulate your PFM file. Click on the convert button and wait for the convert to complete. Download the converted G4 file afterward.

Convert Files on Desktop

macOS
Windows
Linux

Convert PFM to G4 on macOS

Follow steps below if you have installed Vertopal CLI on your macOS system.

  1. Open macOS Terminal.
  2. Either cd to PFM file location or include path to your input file.
  3. Paste and execute the command below, substituting in your PFM_INPUT_FILE name or path. $ vertopal convert PFM_INPUT_FILE --to g4

Convert PFM to G4 on Windows

Follow steps below if you have installed Vertopal CLI on your Windows system.

  1. Open Command Prompt or Windows PowerShell.
  2. Either cd to PFM file location or include path to your input file.
  3. Paste and execute the command below, substituting in your PFM_INPUT_FILE name or path. $ vertopal convert PFM_INPUT_FILE --to g4

Convert PFM to G4 on Linux

Follow steps below if you have installed Vertopal CLI on your Linux system.

  1. Open Linux Terminal.
  2. Either cd to PFM file location or include path to your input file.
  3. Paste and execute the command below, substituting in your PFM_INPUT_FILE name or path. $ vertopal convert PFM_INPUT_FILE --to g4

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