Map Sniffer

Unknown author · Developer Tools

Open in Chrome Web Store

Users

Avg rating

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Ratings

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Updated

May 22, 2026

Media

1 item

Description

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.

History

30d 90d 1y all

rating_count is the Chrome Web Store ratings count, not a written-review count.

Details & SEO

SEO signals

Listing completeness signals

Title length
Characters in the extension name.
11
Description length
Characters in the listing description.
334
Media assets
Screenshots and videos on the listing.
1
Has promo video
Whether the listing includes at least one video.
No
Languages
Declared language locales.
1
Developer website
Listing exposes a developer website URL.
No
Contact email
Listing exposes a contact email.
Yes
Keyword in name
Case-insensitive substring match in the name.
—
Keyword in description
Case-insensitive substring match in the description.
—
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
—
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
25.5

These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.