Offline Map Data Generator

IOS and Android

(Web Version Coming Soon)

Advanced High-Performance Apps for Downloading Map Tiles

Use an Offline Mapping app and Serve Data locally Within your Firewall/Network on your Own Tile Server

Users define an area of interest (AOI), select the level of detail Starting and Ending Map Zoom levels, Enter URL for any mapping service ( OGC WMS, OGC WMTS or ESRI MapServer and ESRI ImageServer.)

Features in the App 

Pre-Staged Ready Data

Pre-Staged Ready Data by Country, Region, US States, Canadian Provinces 

Curated Content Available

Tech Maven Geospatial curated content is available via our GeoRequest Area of Interest (AOI) API download (Mbtiles)

Add Mapping Services

Select a pre-defined common Map or Enter the URL of an internet-accessible OGC or ESRI Mapping Service.

Download Online Mapping URLs

(Vector Tiles,  Raster Tiles, Elevation/Terrain Tiles, and as vector data GeoJSON and KMZ coming soon)

Downloading from ESRI MapServer and ImageServer

Coming Soon – OGC WMS and WMTS and WFS Downloading

TMG Pre-Staged Data

Basemaps osm vector tiles, hillshade raster tiles, contour line vector tiles, low res satellite raster tiles, reference lines and reference labels raster tiles, for some regions and areas high res satellite raster tiles, MapZen Terrarium RGB encoded Elevation Terrain tiles PNG

MBTILES offline sQlite databases of Raster Tiles, Vector Tiles, Elevation Tiles for use in the app when the users is disconnected from WiFi and 4G/5G Connection.

Available by US States, US Regions, Canadian Provinces, Countries Users can download unlimited datasets for each folder and unlimited Countries/Regions/States.

  • Open Street Map Vector Tiles
  • Contour Lines Vector Tiles
  • Hillshade Raster Tiles
  • Low Resolution Satellite Imagery Raster Tiles
  • Stamen Terrain Background Raster Tiles
  • Stamen Reference Lines Raster Tiles
  • Stamen Reference Labels Raster Tiles
  • Thunderforest Outdoors Basemap Raster Tiles

Tile Downloader

Offline Map Data Generate  App Download Online Mapping Services Dynamic and Cached

  • Download XYZ Tile Servers -creates MBTILES
  • Download Vector Tiles – creates MBTILES
  • Download Dynamic and Cached Mapping Services (ESRI MapServer, ImagerServer) -creates MBTILES


Downloader API

  • DTED dt1, dt2, dt3 or HGT 1 degree tiles (optional products contour lines vector tiles MBtiles, hillshade raster tiles MBtiles, hypsography Geonames points MBtiles)

  • Download from TMG Tile Server and Geo Data Server (Edge Server) & GISCMS back-end  (data_distribution and file list JSON endpoints)


Serving MBTILES and GPKG Raster Tiles, Vector Tiles to other apps on the same device (coming to 1.1) with tile.xml URL (delivered as XYZ URL)

ATAK integration – accepts tile.xml as a configuration of the URL to download

Preparing Data for TAK apps (WinTak, ATAK, ITAK, ARTAK, MCH, and others)

Separate Page for each platform for specific

Basemaps and overlays of TMG curated content of about 60 layers

TMG GeoRequest AOI API

Download from TMG Tile Server and Geo Data Server (Edge Server) & GISCMS back-end  (data_distribution and filelist JSON endpoints)

Custom Area of Interest Downloading

This in-app purchase unlocks Tech Maven Geospatial’s GeoRequest Area of Interest API.

Where users can submit an area of interest request and select a dataset to download from our curated list of about 50 datasets.

Then once users download this data they can use it offline/disconnected.

In-app Vector Data Converter

Converts GIS Vector Data to optimized formats (Build MBTILES Vector Tiles, Build GPKG Vector Features or build GeoJSON or Build KML)  – Convert an ESRI FileGDB, ESRI PersonalGDB, ESRI Shapefile, MapInfo, GPX, CSV and others

Live Event Driven Data Feeds

ESRI FeatureServer and Network Link KML Downloader Module – downloads the data at a set frequency and converts to GeoJSON (can be converted in-app to KML for ATAK or iTAK)

Main Screen

Pre Stage Data Download 

DEM Project Name

DEM Format

Support for GeoPackage Vector Features

(Points, Lines, and Polygons) Rendered as Dynamic PNG Raster Tiles available as an XYZ Tile Layer for consumption in iTAK or ATAK or other apps.Attribute Grid/Table with Search


Download online mapping services cached and dynamic and tile layers

  • GeoJSON  (WFS, MapServer, FeatureServer)

  • Download from Tech Maven Geospatial’s Tile Server, GeoData Server, and 3D Scene Server (Data_Distribution, FileList)

  • Load a Tile.XML ATAK/WINTAK configuration file for raster tiles

  • Mobile – pre-configured URLs

  • Windows –  pre-configured URLs – user provided & TMG Provided



Coming Soon

Quantized Mesh Terrain Tiles

Special Shaded Relief, Slope, Terrain Ruggedness, Ridgelines Vector Tiles and other Elevation Products