what3words for OS Maps icon

what3words for OS Maps

by what3words Limited · Developer Tools
Manifest V3 Free
View in Chrome Web Store Data as of 16 Oct 2026

Enables what3words functionality on OS Maps. API key required.

Users
31
+3 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#130K
#108K among extensions
Version
2.0
updated 7 Jun 2026

Users

monthly, 15 months
01631Aug 2025Apr 2026Oct 2026
Latest, 16 Oct 2026: 31 usersMove the mouse over the chart for any month

Ratings count

monthly, 15 months
001Aug 2025Apr 2026Oct 2026
Latest, 16 Oct 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About what3words for OS Maps

Enables what3words functionality on the OS Maps website: 1. See the what3words addresses of locations on OS Maps instantly. 2. Search for locations on OS Maps using what3words. Please note that a what3words API key is required to use this plugin.

Growth

WindowUsersChangeRatingsRating
7 days0+0.0%00.00
30 days+3+10.7%00.00
6 months+18+138.5%00.00
1 year+23+287.5%00.00

Version history

2 versions recorded
2.07 Jun 2026
1.0.331 Jul 2025

Details

Category
Developer Tools
First seen
31 Jul 2025
Size
251 KB
Languages
en
Pricing
Free
Privacy policy
what3words.com
Support
what3words.com
Extension ID
pnacfdfcnegoilcinbfnekaaciloppeg

Permissions and risk

Moderate riskimpact 2, likelihood 2
Permissions
sidePaneltabsstorage
Site access
https://explore.osmaps.com/*https://api.what3words.com/*

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