Free HEIC to PGM Converter

Looking for a simple and reliable way to convert HEIC files to PGM? Try reaConverter Lite — our free image converter designed for smooth, high-quality results.

reaConverter Lite supports batch processing, so you can convert dozens or even hundreds of HEICs to PGM in one go. Work fully offline, fine-tune resolution and quality settings, and even use right-click conversion directly from Windows Explorer for ultimate convenience.

Fast. Free. Fully offline.

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How to Convert Multiple HEIC Images to PGM?

1. Download and Install reaConverter Lite

reaConverter Lite is quick to download, easy to install, and ready to launch in seconds. This lightweight, standalone software is highly efficient at handling a wide range of batch image conversions. Plus, it lets you apply essential image editing options — such as resizing, rotating, or adjusting quality — during the conversion process.

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2. Load your HEIC files

Start reaConverter and load all the .heic files you intend to convert into .pgm. The software supports multiple HEIC conversion and processes all files locally on your computer.

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

Load your HEIC files into reaConverter

3. Select PGM as output format

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

Select PGM as output format

4. Start HEIC to PGM conversion

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

Screenshot

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

HEIC to PGM — Free

Convert your HEIC files to PGM in seconds using reaConverter Lite — the fast, free, and offline solution. All conversions are processed locally on your PC, ensuring maximum speed and privacy with no internet required.

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Do more with your images

Converting HEIC images for use in a larger project? With reaConverter, you can convert, edit, and enhance your images in one streamlined process.

Our range of editing options includes such image processing actions as Resize, Rotate, Crop, Color Replace, Watermarks and more. Adjust actions include RGB, HLS, HSV, Brightness and Contrast. Auto-processing options are also available, such as auto-rotate and auto-crop.

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User Reviews

Average User Rating:
Last updated on April 23, 2025
"Why do iPhone photos come in HEIC format?! My family’s Android phones can’t open them. Now I use reaConverter to batch-convert all my HEIC pics to JPEG before sharing. Problem solved, and no quality loss!"
Mike T.
Satisfied Customer
"reaConverter delivers rapid local file conversions with an intuitive interface. HEIC -> JPG processing is significantly faster, and the built-in file manager streamlines workflow effortlessly."
Daniel Kim
Satisfied Customer
"As a wedding photographer, clients send hundreds of iPhone HEIC images. reaConverter automates the conversion to print-ready JPGs while keeping filenames and dates intact — saving me 3+ hours per event!"
Mia Yamamoto
Photographer
"At our print shop, reaConverter has eliminated 90% of our format headaches. Whether it's WebP, HEIC, or proprietary formats, it handles everything offline—critical when processing sensitive client files."
Emily D. Hall
Satisfied Customer
"Your solution was buried deeper in search results than it should be. After struggling with unclear alternatives, I found your guides — finally, instructions that made sense for a first-time user like me. Excellent work!"
Richard E. Miller
Satisfied Customer
"Converts files in seconds! Finally a tool that's both fast and simple to use."
Wei Chen
Happy User

HEIC to PGM Conversion: FAQ

What are HEIC files?

HEIC (High Efficiency Image File Format) is a new image container format from the developers of MPEG. HEIC format is used by Apple as default image format on iOS. HEIC is used to save phone memory and considered as a better and easy way to distribute images.

What are PGM files?

The PGM or Portable Graymap format is part of a package of open source graphics programs called Netpbm. Other Netpbm formats include PPM (Portable Pixmap) and PBM (Portable Bitmap), also known under the collective name of PNM (Portable Anymap). A PGM file includes a grayscale image, can work on a UNIX platform, as well as on Windows or Mac OS X, and can render a scope of up to 255 grayscale colors.

Can reaConverter convert HEIC to PGM?

Yes! reaConverter instantly converts .heic to .pgm 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.

Is reaConverter free?

Yes — reaConverter Lite is completely free to use! It offers powerful batch image conversion, right-click integration, and support for popular formats, all without requiring an internet connection. For advanced features like automation, metadata editing, and support for rare formats, you can upgrade to the Pro edition anytime.

What is reaConverter used for?

reaConverter is a software program used for converting images and other types of files from one format to another. It supports a wide range of file formats and allows users to convert multiple files at once, making it a valuable tool for graphic designers, photographers, and other professionals who work with digital images. reaConverter also includes features for resizing, cropping, and editing images, along with batch processing capabilities that help automate repetitive tasks.

Can I convert HEIC to PGM online?

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

How can I turn HEIC files into PGM on my computer?

The best way to change HEICs to PGMs 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 HEIC to PGM.

How can I automate HEIC to PGM 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 HEIC files to PGM using the command prompt?

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

What else can I do with reaConverter?

Convert Gerber filesCrop imagesConvert PDF filesWatermark picturesChange file creation date

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Get a free, user-friendly tool for image conversion and editing — with fast results and full control. Use the right-click menu to convert files instantly, or process batches with essential editing options.
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