'''Tag2Link''' is the name (of a former JOSM plugin) for extracting URLs from [[Help/Concepts/Object#Tags|tags]]. For instance, this allows to open the `website` of an OSM object in the web browser.

[[Image(tag2link.png)]]

== Where to find it? ==
Tag2Link can be invoked from the following locations within JOSM:
* [[Help/Dialog/TagsMembership]]
* [[Help/Dialog/SelectionList]]
* [[Help/Dialog/RelationList]

== Built-in rules ==
The following rules are built-in (OSM key → action):
* name → Search on DuckDuckGo
* website → URL
* source → URL
* url → URL
* image → Wikimedia Commons
* wikipedia → Wikipedia
* wikidata → Wikidata
* species → Wikispecies

== Rules from Wikidata ==
Additional rules are loaded from Wikidata items which have [https://www.wikidata.org/wiki/Property:P1282 OSM tag or key (P1282)] and [https://www.wikidata.org/wiki/Property:P1630 formatter URL (P1630)] defined. Use the following URL to the Wikidata Query Service in order to inspect all Wikidata item taken into account: https://w.wiki/GbF

== Rules from OSM Sophox ==
Additional rules are loaded from OSM Wiki Wikibase based on [https://wiki.openstreetmap.org/wiki/Property:P8 formatter URL (P8)], see [https://sophox.org/#SELECT%20%3Fitem%20%28CONCAT%28%22Key%3A%22%2C%20%3Fpermanent_key_ID%29%20as%20%3FOSM_key%29%20%3Fformatter_URL%20WHERE%20%7B%0A%20%20FILTER%28%3Fpermanent_key_ID%20NOT%20IN%20%28%27image%27%2C%20%27url%27%2C%20%27website%27%2C%20%27wikidata%27%2C%20%27wikimedia_commons%27%29%29.%0A%20%20%3Fitem%20osmdt%3AP2%20osmd%3AQ7.%0A%20%20%3Fitem%20osmdt%3AP16%20%3Fpermanent_key_ID.%0A%20%20%3Fitem%20osmdt%3AP8%20%3Fformatter_URL.%0A%7D%0A this query] on OSM Sophox Service.