Convert PEN to HPG

PEN to HPG with professional color control. reaConverter batch converts RAW files with options for color balance and output quality.

Got a folder full of PEN files? reaConverter batch converts them to HPG in minutes, not hours. Local processing means instant results, even with thousands of files. Studios rely on it for consistent color across thousands of photos.

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How to Convert Multiple PEN Images to HPG?

1. Download and Install reaConverter

reaConverter is a standalone Windows app — download, install, and start converting PEN files in under two minutes. reaConverter also includes editing tools: resize, crop, rotate, and more.

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Install reaConverter

2. Load your PEN files

Load your PEN RAW photos into reaConverter. Add entire shoots at once and process them in minutes.

Browse for files, drag them in, or add entire folders at once. reaConverter queues everything automatically.

Load your PEN files into reaConverter

3. Select HPG as output format

Choose HPG as output format. Adjust color profile, quality, and resolution settings to match your photography workflow.

Select HPG as output format

4. Start PEN to HPG conversion

Start the conversion with one click. reaConverter handles everything and notifies you when it's done.

Start Conversion

When the batch finishes, your HPG files are ready in the destination folder you chose earlier.

PEN to HPG Converter

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

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Do more with your images

Converting PEN 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 January 25, 2026
"reaConverter handles HPG files flawlessly. I use it to convert plot files to PDF for approvals, and the output is always accurate. The automation through Watch Folders and command-line is a big plus for speeding up our workflow."
Daniel M.
Daniel M.
Mechanical Engineer
"Finally, an HPG Converter That Just Works! Last week, we processed 237 HPG blueprints in 18 minutes. Previously, this took half a workday!"
Kevin Nguyen
Kevin Nguyen
Satisfied Customer
"An ultra-fast solution for minimizing file sizes. The entire conversion process takes just 3 minutes!"
Logan B.
Logan B.
Satisfied Customer
"I use the online converter — it’s quick and hassle-free!"
Jian Wong
Jian Wong
Happy Online User
"Working in a print studio means constantly juggling obscure file formats. I used to waste hours Googling converters or installing random software — until reaConverter became my Swiss Army knife. Install it once, and you're set forever. No internet? No problem!"
Helen Evans
Helen Evans
Satisfied Customer
"We deployed reaConverter across our department to standardize file formats for our archives. The command-line support and automation features integrated perfectly into our systems. Stellar performance and zero crashes—it just works."
David R.
David R.
IT Solutions Architect

PEN to HPG Conversion: FAQ

What are PEN files?

The PEN raw photo format, specific to Pentax cameras, refers to the proprietary RAW file format used to store unprocessed image data directly from the camera's sensor. This format allows photographers to capture and retain the highest level of detail, dynamic range, and tonal information, providing extensive flexibility in post-processing.

What are HPG files?

HPG is a vector image format created in a standard programming language called HPGL (Hewlett-Packard graphics language). Other extensions created in this language include PLT, HP2 and PL2. All are called "plotter files" and are created by drawing programs such as AutoCAD to be printed using a device specialized in vector graphics. An HPG file uses a line series of two-letter codes to render an image and can also include parameters.

Can reaConverter convert PEN to HPG?

Yes! reaConverter instantly converts .pen to .hpg 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.

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 PEN to HPG online?

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

How can I turn PEN files into HPG on my computer?

The best way to change PENs to HPGs 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 PEN to HPG.

How can I automate PEN to HPG 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 PEN files to HPG using the command prompt?

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

What else can I do with reaConverter?

Convert DICOM imagesResize pictureConvert RAW filesConvert GIS filesConvert Gerber images

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