List of URI schemes

Short description: Namespace identifier assigned by IANA

This article lists common URI schemes. A Uniform Resource Identifier helps identify a source without ambiguity. Many URI schemes are registered with the IANA; however, there exist many unofficial URI schemes as well. Mobile deep links are one example of a class of unofficial URI schemes that allow for linking directly to a specific location in a mobile app.

## Contents

* 1 Official IANA-registered schemes
* 2 Unofficial but common URI schemes
* 3 References
* 4 External links

## Official IANA-registered schemes

URI schemes registered with the IANA, both provisional and fully approved, are listed in its registry.

## Unofficial but common URI schemes

Scheme  | Purpose  | Defined by  | General format  | Notes

|
|
|
|

admin | URL scheme in the GNOME desktop environment to access file(s) with administrative permissions with GUI applications in a safer way, instead of the insecure-considered sudo, gksu & gksudo.  | GNOME Virtual file system | `admin:/⟨path⟩/⟨to⟩/⟨file⟩`

example: `gedit admin:/etc/default/grub`

| See more information on: [1]
app | URL scheme can be used by packaged applications to obtain resources that are inside a container.  | Google | `app://⟨application⟩/⟨path⟩`

example: `app://com.foo.bar/index.html`

| See more information on: [2] [3]
freeplane | Open a Freemind/Freeplane `.mm` file in the locally installed Freeplane application and optionally highlight a node in the opened mindmap.  | Freeplane v1.3 and above | `freeplane:/ ⟨path to file⟩#ID_⟨node number⟩`

`freeplane:/ ⟨path to file⟩#:⟨path⟩/⟨in⟩/⟨map⟩/⟨to⟩/⟨node⟩`

javascript | Execute JavaScript code  | IETF Draft | `javascript:⟨javascript to execute⟩`
jdbc | Connect a database with Java Database Connectivity technology.  | Database vendor dependent  | `jdbc:somejdbcvendor:other_data...`

`jdbc:oracle:oci:@host:port(sid or [/service])?params...`
`jdbc:sqlserver://serverName\instanceName:portNumber;params...`
`jdbc:mysql://host:port/database?params...`

| Requires a vendor provided connector (jar archive) to be included in the client library.
msteams | Used by Microsoft to launch the Microsoft Teams desktop client.  | Microsoft | `msteams:/l/...` | [1][2]
ms-access
ms-excel
ms-infopath
ms-powerpoint
ms-project
ms-publisher
ms-spd
ms-visio
ms-word | Used by Microsoft to launch Microsoft Office applications.  | Microsoft | `⟨scheme-name⟩:⟨command-name⟩|⟨command-argument-descriptor⟩|⟨command-argument⟩`

example: `ms-excel:ofv|u|<https://contoso/Q4/budget.xls>`

odbc | Open Database Connectivity | IETF Draft |  |
psns  | Used by PlayStation consoles to open the PS Store application, also used by Media Go.  | Sony (not public)  | `psns://browse?product=⟨ContentID⟩`If entered without parameters, like `psns://` it opens the PS Store or Media Go app main page.  |
rdar  | URL scheme used by Apple's internal issue-tracking system.  | Apple (not public)  | `rdar://⟨issue number⟩`

example: `rdar://10198949`

| Allows employees to link to internally-tracked issues from anywhere. Example of a private scheme which has leaked in to the public space and is widely seen on the internet, but can only be resolved by Apple employees.
s3  | Used to interact programmatically with Amazon S3 bucket  | aws-cli documentation |

aws s3 sync /tmp/foo/ s3://bucket/ --recursive \
--exclude "*" --include "*.jpg" --include "*.txt"

trueconf | Used by TrueConf Server to interact with client applications.  | [4] | `trueconf:[target][@server]&[param_1]=[value_1]&[...]&[param_n]=[value_n]` | See more information at [5]
slack | Used by Slack to launch the Slack client.  | Slack API reference | `slack://open?team={TEAM_ID}` |
stratum | Connectivity URI for the Stratum protocol, used for proof-of-work coordination in pooled cryptocurrency mining.  | Stratum Protocol Draft | `stratum+tcp://server:port, stratum+udp://server:port` | This protocol has completely superseded the now-obsolete Getwork protocol,[citation needed] and was created primarily to reduce network overhead as mining pool sizes inevitably scale upwards.[3]
viber | Open the locally installed Viber application to link to a view or perform an action, such as share an URL to a contact.  | Viber API Documentation - Deep Links

Viber API Documentation - Viber Share Button

| `viber://pa?chatURI=⟨URI⟩`

`viber://pa/info?uri=⟨URI⟩`
`viber://forward?text=<ShareDescription>`

web+... | Effectively namespaces web-based protocols from other, potentially less web-secure, protocols.  | This convention is defined within the HTML Living Standard specification | `web+⟨string of some lower-case alphabetic characters⟩:` | This convention is not associated with the registration of any new scheme but is currently a requirement as well as convention for non-whitelisted web-based protocols.
zoommtg
zoomus | Used by Zoom conferencing software to launch the Zoom client.  | Zoom developer community | `zoommtg://zoom.us/join?confno=⟨confno⟩...` | See more information at Zoom developer community

## References

1. ↑ "Create deep links - Teams" (in en-us). https://learn.microsoft.com/en-us/microsoftteams/platform/concepts/build-and-test/deep-links.
2. ↑ "Build apps for Teams meeting stage - Teams" (in en-us). https://learn.microsoft.com/en-us/microsoftteams/platform/apps-in-teams-meetings/build-apps-for-teams-meeting-stage.
3. ↑ Stratum mining protocol, ..the official documentation of lightweight bitcoin mining protocol.

## External links

* Official IANA Registry of URI Schemes
* More information, including many more schemes

* v
* t
* e

Uniform Resource Identifier (URI) schemes

Official|

* about
* acct
* crid
* data
* file
* ftp
* geo
* gopher
* http
* https
* info
* ldap
* mailto
* nfs
* nntp
* sip / sips
* tag
* telnet
* urn
* view-source
* ws / wss
* xmpp

Unofficial|

* coffee
* ed2k
* feed
* finger
* irc / irc6 / ircs
* ldaps
* magnet
* rsync
* ymsgr

Protocol list

* v
* t
* e

Hypermedia

Basics|

* Hypertext
* Hyperlink
* Hypertext fiction
* Hypervideo
* Adaptive hypermedia
* educational
* authoring
* Hyperlinks in virtual worlds

Resource identifiers|

* Uniform resource identifier
* Internationalized resource identifier
* Uniform resource name
* Uniform resource locator
* Extensible resource identifier
* Persistent uniform resource locator
* Semantic URL

Concepts|

* anchor text
* click path
* Domain name
* click here
* Copyright aspects of hyperlinking and framing
* deep linking
* Fat link
* Fragment identifier
* Hostname
* Hypertext
* Inline linking
* inbound link/backlink
* HTTP referer
* image map
* Internal link
* Internet bookmark
* linkback
* Link relation
* Link rot
* Object hyperlinking
* Path
* Screen hotspot
* Source tracking
* transclusion
* URI scheme
* URL normalization
* URL redirection
* Website
* Web page
* XML namespace

Technology|

* CURIE
* Hypertext Transfer Protocol
* XLink

See also|

* Digital poetry
* History of hypertext
* Interactive novel
* Interactive fiction
* Timeline of hypertext technology
* Copyright aspects of hyperlinking and framing
* World Wide Web
* Domain Application Protocol

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