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RTMAP RMAP
File conversion

Convert RTMAP to RMAP

Verified by Adam B.· reviewed by FE Editorial ·updated Aug 28, 2026
QUICK ANSWER
Is it possible to convert RTMAP to RMAP?
Yes - RTMAP converts to RMAP.

Open the .imp control file (not an individual tile) in TwoNav Land, then right-click the map in the map list and choose Save As or Export to write a .rmap file. All tiles must be present in the same folder - copying a single .rtmap tile is not enough.

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Tested on macOS, Windows & Linux
Last verified Oct 2026

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Why convert RTMAP to RMAP?

An .rtmap map is a set of tiles - multiple .rtmap files plus an .imp index file - that must stay together in a specific folder structure. An .rmap packs all of that into one self-contained file, which TwoNav now recommends as the standard for raster maps on its devices and apps. Converting simplifies map management: one file to copy, share, or back up instead of an entire folder.

How to convert RTMAP to RMAP

CompeGPS Land / TwoNav Land FREE

Open the .imp control file in TwoNav Land (twonav.com), right-click the map in the map list, and choose Save As or Export to write a single .rmap file. The exact menu label varies by version.

About these formats

.RTMAP CompeGPS / TwoNav Tiled Raster Map

An RTMAP file is a tiled raster map image from TwoNav (formerly CompeGPS). It is not a standalone file - a working map is a set of .rtmap tiles plus an .imp control file that must stay…

Open .RTMAP details →
.RMAP CompeGPS Land Raster Map

A .RMAP file is associated with CompeGPS Land Raster Map, a gis file.

Open .RMAP details →

Quality & what to watch

  • You must open the .imp control file with all sibling .rtmap tiles present in the same folder - a single isolated tile cannot be opened or converted.
  • The .rmap output preserves all georeferencing and image data with no quality loss - it is a container for the same raster data as the tile set.
  • No third-party or online tool supports this conversion; both formats are proprietary to TwoNav and only their desktop software handles them.

Frequently asked questions

Can I convert just one .rtmap tile to .rmap?
No - a single tile is meaningless without the full set and the .imp control file; copy the entire map folder before opening it in TwoNav Land.
Is TwoNav Land free?
Yes - TwoNav Land is available free from twonav.com for Windows and macOS.
Will the .rmap work on TwoNav mobile devices and apps?
Yes - .rmap is the current recommended format for TwoNav devices and the TwoNav app on Android and iOS.