Convert PRJ to HRU

Batch convert PRJ to HRU for easy sharing. reaConverter exports 3D models offline with control over output settings.

Manual PRJ to HRU conversion wastes hours. reaConverter automates the process — just add files and click Convert. Everything happens offline on your computer — no uploads, no cloud risks. 3D artists rely on it when clients need different file formats.

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PRJ to HRU
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PRJHRU

How to Convert Multiple PRJ Files to HRU?

1. Download and Install reaConverter

First, grab reaConverter from the download button below. Installation is fast, and the software runs offline — no account or signup needed.

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Install reaConverter

2. Load your PRJ files

Open reaConverter and add your PRJ files. You can load individual files, entire folders, or even nested subfolders.

Drop your PRJ files into the window or use File menu to browse and select folders.

Load your PRJ files into reaConverter

3. Select HRU as output format

Choose HRU as the target format. Pick a destination folder or let reaConverter save files alongside the originals.

Select HRU as output format

4. Start PRJ to HRU conversion

Hit Convert and let reaConverter do the work. The progress window shows status for each file in real time.

Start Conversion

After conversion, find your HRU files in the output folder. Click 'Show converted files' to open it directly.

PRJ to HRU Converter

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

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Do more with your files

Converting PRJ 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 January 25, 2026
"The step-by-step video makes conversion foolproof. I'd recommend this to my grandma - it's that well-explained!"
DeShawn M. Thompson
DeShawn M. Thompson
Happy User
"I'm really impressed with this software - it converts files between formats incredibly fast!"
Lin Zhang
Lin Zhang
Happy User
"I firmly believe working with JPEG — the universal format supported by all devices and apps—is the wisest choice. reaConverter handles these conversions flawlessly."
Ava Thomas
Ava Thomas
Happy User
"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
"So simple! I just needed to convert a couple of files to another format, and for such a straightforward task, the online converter worked perfectly — delivering the files I needed in no time. Excellent service!"
Kenneth D. Carter
Kenneth D. Carter
Satisfied Customer
"I run a small design agency, and reaConverter has saved me countless hours. The batch processing is lightning-fast, and the ability to convert hundreds of files into different formats at once is a game-changer. Highly recommend!"
Mark T.
Mark T.
Satisfied Customer

PRJ to HRU Conversion: FAQ

What are PRJ files?

The PRJ extension is attached to project files created with 3D Studio, the predecessor of 3ds Max, created for operation on the DOS platform. PRJ is also known as a mesh file, containing graphical data related to geometry, texture, lighting and other relevant info associated to a 3D model.

What are HRU files?

The HRU file format is a bitmap image format associated with the Soil and Water Assessment Tool (SWAT), which is a model developed through the SWAT-CUP program in Microsoft Windows. This software generates a detailed simulation model aimed to assess the result of various land management techniques in the case of large-size watersheds. HRUs represent output files containing detailed information compiled through SWAT, generally under the form of extensive tables with a large number of variables.

Can reaConverter convert PRJ to HRU?

Yes! reaConverter instantly converts .prj to .hru 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 PRJ to HRU online?

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

How can I turn PRJ files into HRU on my computer?

The best way to change PRJs to HRUs 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 PRJ to HRU.

How can I automate PRJ to HRU 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 PRJ files to HRU using the command prompt?

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

What else can I do with reaConverter?

Convert CAD formatsSet picture bit depthConvert RAW formatsChange format settingsSet new DPI

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