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TER Converter
Convert TER data without installing QGIS or writing ogr2ogr commands. reaConverter is an ordinary Windows application with batch mode built in.
How to Convert .ter Files in Bulk
1. Install reaConverter
2. Select TER Files
3. Start Conversion
Step by step
See It in Action
For quick and effortless TER 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.
GIS Toolkit
Do more with your GIS data
Need TER data as something anyone can open? reaConverter renders imagery and elevation grids into standard images and documents without QGIS or ArcGIS, and works through whole folders in one pass.
- Render imagery, elevation grids and scanned charts to TIFF, PNG, JPG or PDF
- Resize, crop and set DPI on the output in the same run
- Bring tiles, scenes and grids from many sources into one consistent format
- Convert incoming survey and field data automatically with Watch Folders
- Script GIS conversions from the command line for pipelines and scheduled jobs
- Keep cadastral, utility and client data on your PC: nothing is uploaded
User reviews
From those who tried it
Average User Rating:Last updated on July 29, 2026
Questions & Answers
TER files: Frequently Asked Questions
What are TER files?
The TER file format is associated with Terragen, a program specialized in creating 3D landscape images, models and animations, developed by Planetside Software. TER files are also known as "terrain files", as they contain data that helps create 3D scenery. They can be created using the Terragen software on both Microsoft Windows and Mac OS X platforms.
Can reaConverter open TER files?
reaConverter fully supports the TER file format – open, edit, and export TER files to any other popular file format with ease.
Do I need QGIS or ArcGIS to convert TER files?
No. reaConverter reads TER files on its own, so the conversion needs no GIS installation and no licence. It handles whole folders at once, which suits survey archives, tile sets and data deliveries that have to reach people working in other software.
How do I change TER to another format?
reaConverter is a user-friendly tool for converting TER files. Once installed on your computer, it allows you to convert all your .ter files at once with just a few clicks. You can even convert TER files directly from Windows Explorer using the right-click menu — fast and convenient.
Why choose offline conversion with reaConverter?
Keep your sensitive data 100% private with offline processing that never exposes files to cloud risks. Our software meets strict compliance standards (GDPR, HIPAA, CCPA) while handling confidential documents for legal, healthcare and financial sectors.
Can I convert TER online?
If you only want to convert a few TER files, you are welcome to try our free online TER converter.
How can I turn TER files on my computer to another format?
The best way to convert TER 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 TER.
How can I automate TER 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 TER 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 ter converter.
What else can I do with reaConverter?
Vectorize imagesChange bit depthChange format settingsCopy metadata (EXIF, IPTC)Convert PDF files
What formats can I convert a TER file to?
Discover More
Beyond TER conversion
Convert .ter 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.
