100% Secure & Private
NMP Converter
Convert NMP files without uploading anywhere. reaConverter works offline, handling thousands of files in a single pass.
How to Convert .nmp Files in Bulk
1. Install reaConverter
2. Select NMP Files
3. Start Conversion
Step by step
See It in Action
For quick and effortless NMP file handling on your PC, reaConverter offers powerful conversion tools with batch processing. Best of all, it works entirely offline — ensuring your sensitive data never leaves your computer.
Extra Tools
Do more with your files
Converting NMP files for use in a larger project? 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.
User reviews
From those who tried it
Average User Rating:Last updated on July 27, 2026
Questions & Answers
NMP files: Frequently Asked Questions
What are NMP files?
The NMP image format is associated with NeoPaint, a raster graphics processor developed by NeoSoft. NMP files have similar functions and features with NPM files, both representing "mask images", i.e. black-and-white digital copies of an original image, used for processing purposes. NMP files are considered rare and are probably difficult to open using regular image viewers.
Can reaConverter open NMP files?
reaConverter fully supports the NMP file format – open, edit, and export NMP files to any other popular file format with ease.
How do I change NMP to another format?
reaConverter is a user-friendly tool for converting NMP files. Once installed on your computer, it allows you to convert all your .nmp files at once with just a few clicks. You can even convert NMP files directly from Windows Explorer using the right-click menu — fast and convenient.
Can I convert NMP online?
If you only want to convert a few NMP files, you are welcome to try our free online NMP converter.
How can I turn NMP files on my computer to another format?
The best way to convert NMP files on your PC is to get 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 NMP.
How can I automate NMP files conversion?
reaConverter supports all the essential automation features, such as right-click сonversion and Watch Folders, for the most efficient automated file conversion in any software of its kind.
Can I convert NMP files using scripts or the command-line interface?
reaConverter provides full access to all its features from the Windows command-line shell, including the command-line nmp converter.
What else can I do with reaConverter?
Convert GIS filesConvert PDF filesAdd text on photosChange format settingsCopy metadata (EXIF, IPTC)
What formats can I convert a NMP file to?
Discover More
Beyond NMP conversion
Convert .nmp files in batches of any size, with editing and processing applied along the way. The same tool also handles 800+ other formats, including CAD, medical imaging, and GIS.
