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Map Sniffer

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Overview

Find the map data services behind web maps. Captures feature/map service URLs and downloads layers as GeoJSON.

A Chrome extension that captures GIS feature/map service URLs behind web maps, dashboards, and embedded geospatial apps. Lets you copy the URLs, copy a ready-to-run `ogr2ogr` command, or download a layer's data as GeoJSON.

Details

  • Version
    1.0.1
  • Updated
    May 22, 2026
  • Offered by
    Five Mountains
  • Size
    18.79KiB
  • Languages
    English (United States)
  • Developer
    Five Mountains
    9401 5th Avenue Southwest Seattle, WA 98106 US
    Email
    hello@fivemountains.co
    Phone
    +1 206-953-5662
  • Trader
    This developer has identified itself as a trader per the definition from the European Union and committed to only offer products or services that comply with EU laws.
  • D-U-N-S
    120728735

Privacy

Manage extensions and learn how they're being used in your organization

Map Sniffer has disclosed the following information regarding the collection and usage of your data. More detailed information can be found in the developer's privacy policy.

Map Sniffer handles the following:

User activity
Website content

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes

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