Convert GP4 to PPM

If you're looking for a reliable and efficient software tool to convert your GP4 files to PPM format with ease, you can count on reaConverter.

As a comprehensive offline conversion tool, reaConverter facilitates batch processing of files between formats, including engineering drawing conversion from GP4 to PPM, while offering supplementary image manipulation features.

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How to Convert Multiple GP4 Files to PPM?

1. Download and Install reaConverter

reaConverter is quick to download, install and launch. This standalone software is extremely efficient in managing a wide range of batch conversions. reaConverter is incredibly powerful and boasts an extensive variety of features.

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Install reaConverter

2. Load your GP4 files

Start reaConverter and load all the .gp4 files you intend to convert into .ppm. The software supports multiple GP4 conversion and processes all files locally on your computer.

Select GP4s from a folder or by drag-and-dropping them directly into the reaConverter window.

Load your GP4 files into reaConverter

3. Select PPM as output format

Pick the PPM as output format and choose the destination folder where you want to save new .ppm files.

Select PPM as output format

4. Start GP4 to PPM conversion

Then simply press Convert button and your conversion will begin in no time!

Screenshot

Once the conversion is complete, you can find your PPM files in the destination folder you selected.

GP4 to PPM Converter

reaConverter offers the fastest, simplest solution for converting your GP4 files into PPM in seconds - all files processed on your PC for maximum privacy and speed.

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Do more with your files

Converting GP4 files for use in a workflow? reaConverter offers many ways to process files, so you can customize them according to your requirements.

Our range of editing options includes auto-processing options such as auto-rotate, auto-crop, watermarking and more. Change Color Space, copy Metadata, set DPI, manage ICC Profile, control Bit Depth.

Conversion features
Image editing

User Reviews

Average User Rating:
Last updated on May 15, 2025
"An efficient all-in-one solution for image conversion and light editing, designed for maximum user-friendliness."
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Elena Anderson
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"Enable shell integration for lightning-fast file conversions directly from Windows Explorer."
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R. Lewis
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"After 200+ conversions on my budget laptop (i3-1115G4/4GB RAM/Win11), reaConverter outperforms heavyweight tools. Zero crashes, low CPU usage during batch processing, and no internet dependency - exactly what professionals need."
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Walter Morgan
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"An excellent program! I use it regularly in my work - it supports nearly every file format imaginable. The interface is intuitive and runs flawlessly every time."
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Roger Cook
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"For agencies handling confidential data, reaConverter eliminates cloud-upload risks while delivering unmatched conversion reliability. Our team uses it both in-office and remotely with identical results."
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Jamal Bailey
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"Our volunteer team uses reaConverter to prepare images for fundraising campaigns. The learning curve was minimal, and the results are professional-grade. The customer support team even helped us customize a workflow — fantastic service!"
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Jason P. Bailey
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GP4 to PPM Conversion: FAQ

What are GP4 files?

GP4 is an image extension included in the CALS group of formats. CALS (Continuous Acquisition and Life-cycle Support) represents an initiative undertaken by the Department of Defence in the United States in the 1980s, with the aim of creating a standard for storing and linking military data. Similar formats include CG4, CAL and CALS. Most formats that are part of the CALS group are currently considered rare and obsolete.

What are PPM files?

PPM or Portable Pixelmap files are image files included in Netpbm, an open source graphics program. The other widely used Netpbm formats are PGM (Portable Graymap) and PBM (Portable Bitmap). All three are image formats and are sometimes called collectively PNMs (Portable Anymap format). While PGMs contains grayscale images, PPMs include color images and they represent intermediary files used in the conversion of less known formats using the Portable Bitmap Utilities. PPM files are mostly operated on UNIX and Intel-based platforms.

Can reaConverter convert GP4 to PPM?

Yes! reaConverter instantly converts .gp4 to .ppm with perfect quality preservation. With its batch processing feature, you can convert multiple files at once in just a few clicks. You can even convert images directly from Windows Explorer using the right-click menu — fast and convenient.

Can I convert GP4 to PPM online?

If you only need to convert a few GP4 files to PPM format, feel free to try our free online free online GP4 to PPM converter — perfect for small batches with no installation needed!

How can I turn GP4 files into PPM on my computer?

The best way to change GP4s to PPMs on your PC is to install a quality piece of software, such as reaConverter. This software is extremely efficient in managing a wide range of batch files conversions, including conversion from GP4 to PPM.

How can I automate GP4 to PPM files conversion?

reaConverter supports all the most useful automation features such as right-click сonversion and Watch Folders for the most efficient automated files conversion in any software of this type.

Is there a way to convert GP4 files to PPM using the command prompt?

reaConverter provides full access to all its features via Windows command line, including a high-performance command-line gp4 to ppm converter for batch processing.

What else can I do with reaConverter?

Convert GIS filesSet file dateCopy EXIF dataConvert DICOM imagesResize pictures

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