OkMap freeware GPS software 9.6.1

OkMap freeware GPS software

General features
OkMap is an interactive software which allows you to work on your computer screen with digital maps that you have either bought or scanned. OkMap can also import vectorial data from the most common formats and DEM data relevant to height informations.
Through these maps, you can organize your paths by creating waypoints, routes and tracks on your computer monitor, and upload this data to your GPS. To make it easier, OkMap provides you also with autorouting and geocoding functions.
Data collected by your GPS can be downloaded on your computer, stored and displayed on the maps. They can also be used to create different types of statistics.
By connecting a GPS to your laptop, you can plot your position on maps in real-time. If you are connected to the network you can constantly send your position to a remote computer, or receive the position of your companions on your computer and display the related tracks on maps in real time.
OkMap can also interface Google Maps and Google Earth. With Google Maps you can get portions of maps immediately available in OkMap. With Google Earth you can view your paths and your maps also in 3D.

OkMap include a feature to generate automatically compatible "Garmin Custom Maps" (kmz format). This feature includes map tiling from and to different image file formats (including ECW map format). It’s possible select KML extensions 2.2 (if GPS supports them), the JPEG quality, the image resizing, the KML transparency, the draw order, and so on. You can also select the tiles to generate in output. This feature support "not north oriented" maps also.
Download page
General features

General features

  • Calibration / display raster maps (over 30 image formats)
  • Display vectorial maps
  • Display hybrid maps (raster + vectorial data)
  • Ability to open multiple maps simultaneously
  • 9 cartographic projections of the most used
  • Database with over 500 predefined projections by geographic area
  • Database with over 300 datum
  • Viewing 3D raster maps on Google Earth (for supported image formats)
  • Map add-ons management (icons, comments)
  • Vectorial data management (point, multipoint, line, polygon)
  • GPX data management (waypoints, tracks, routes)
  • Selecting multiple objects with the mouse
  • Context menu (right mouse)
  • Auto-info function
  • Zoom, autofit functions
  • Moving map function in 3 modes
  • Customizing toolbar
  • Showing yes / no toolbar
  • Showing yes / no statusbar
  • Check new releases at startup


  • Import the toponyms from different sources (OziExplorer, Garmin POI, GPX)
  • Create toponyms with the mouse
  • Up to 3 classification types and altitude


  • Create your own list of photos
  • Automatically manages all major image tag
  • See pictures drawn on the map
Map add-ons

Map add-ons (icons, comments)

  • Creating / moving map add-ons with the mouse
  • Edit map add-ons attributes
  • Deleting map add-ons
Vectorial data

Vectorial data (point, multipoint, line, polygon)

  • List vectorial themes and attributes management
  • Creating / moving vectorial data with the mouse
  • Edit vectorial data attributes
  • Deleting vectorial data

GPX data (waypoints, routes, tracks)

GPX data
  • Creating / moving GPX data with the mouse
  • List waypoints, routes, tracks and edit attributes
  • Deleting GPX data
  • GPX data search
  • Track statistics
  • Track altitude profile
  • Track simplification
  • Duplicate track / route
  • Join tracks / routes
  • Join track segments
  • Divide track in multiple segments
  • Divide track in multiple tracks
  • Set DEM altitude to waypoints, routes and tracks
  • Loading GPX data recently opened
Maps management

Maps management

  • Minimap display (thumbnail)
  • Magnifying lens display
  • Indexing / list / open maps
  • Meta/map display function and show map boundary
  • Search maps function
  • Map image print / save / copy to clipboard
  • Saving location / zoom of the map on close
  • Loading maps recently opened

Altimeter data

  • Using SRTM DEM data (Digital Elevation Model)
  • Altitude display on the current mouse position
  • Automatic download of DEM data relating to current map
  • Showing DEM data boundaries on the map


  • Displaying latitude / longitude grid
  • Displaying metric grid (alternative projection)

Communication with the GPS

  • Send GPX data to GPS (DeLorme PN20/30/40, Garmin, Magellan, NaviGPS GT-11/BGT-11)
  • Receive GPX data from GPS (Brauniger IQ series, DeLorme PN20/30/40, Garmin, GlobalSat DG-100/BT-335, Holux M-241, Magellan, MTK Logger, NaviGPS GT-11/BGT-11, SysTraq Venus, Wintec)


  • NMEA 0183 navigation
  • Automatic map centering during navigation
  • Display data navigation
  • Display data on satellites in view
  • Recording the "active log" track in real time
  • Storing waypoint in real time
  • Navigation toward a waypoint
  • Navigation along a route
  • Navigation along a track
  • Waypoint proximity alarm
  • Anchor alarm

Remote servers

  • Send tracks to remote okmap and gpsgate.com servers
  • Receiving and viewing tracks in real time from remote okmap and gpsgate.com servers
Google integration

Google integration

  • Downloading and saving maps from Google Maps with automatic calibration
  • Google Maps viewing integration
  • Google Earth viewing integration (map + GPX data)

Functions via web services

  • Autorouting function
  • Geocoding function
  • Search geocache function
Calculation and conversion features

Calculation and conversion features

  • Integration with GpsBabel front-end
  • Conversion GPX data to vectorial data
  • Conversion vectorial data to GPX data
  • Coordinate conversion functions
  • Coordinate conversion batch functions
  • Distances and azimuth conversion functions
  • Distances calculating functions
  • Areas calculating functions
  • Grid generator for research teams
  • Calculator of mathematical expressions
Tiling mappe

Import functions

  • Maps: ECW, World file, OziExplorer, CompeGps, TrackMaker, GpsTuner
  • Vectorial data: OkMap, Esri, DCW
  • GPX data: OziExplorer, KML, LOC and others via GpsBabel software

Export functions

  • Map tiling
  • Creation of "Garmin Custom Maps"
  • Maps: KML, KMZ, GpsTuner
  • Vectorial data: Esri shapes
  • GPX data: OziExplorer, KML, LOC and others via GpsBabel software
Map calibration

Potential use:

  • Search and rescue
  • Trekking
  • Mountain bike
  • Off road
  • Boating
  • Flying
  • Hunting and fishing
  • Finding mushrooms
  • Geocaching
  • Soft air

Supported languages:

  • English
  • Italian

Supported formats:

  • Images: ECW, BMP, GIF, JPG, PNG, TIF and many others
  • Import maps: GFW, JGW, PGW, TFW, BPW (World file); ECW (Earth Resource Mapping); GeoTiff; MAP (OziExplorer); IMP (CompeGps); GTM (TrackMaker); GMI (GpsTuner)
  • Export maps: World file; KML/KMZ (Google Earth, Garmin Custom Maps); GMI (GpsTuner)
  • Vectorial data: SHP, DBF (Esri shape file); DCW (Digital Chart of World)
  • GPS data: GPX (GPS Exchange Format); KML/KMZ (Keyhole Markup Language); WPT, PLT, RTE (OziExplorer); LOC (Geocaching) and many others formats thanks to the software GpsBabel
  • DEM data (digital earth model): HGT (SRTM-1 e SRTM-3)

Supported Gps devices:

  • Upload/download: all GPS devices supported by GpsBabel
  • NMEA navigation: all GPS devices that support Nmea 0183 protocol


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