Graph ID Converter

Decode and build Microsoft Graph drive IDs, site IDs and sharing URL IDs for SharePoint and OneDrive

Drive ID

A drive ID is “b!” plus the site collection, web and list GUIDs encoded in Base64. Paste one to decode it, or enter the three GUIDs to build it.

A Graph site ID is the host name, the site collection GUID and the web GUID separated by commas. Split it into parts or compose it.

Any SharePoint or OneDrive URL can be addressed in Graph as shares/{id}: “u!” plus the URL in URL-safe Base64 without padding.

Runs entirely in your browser: what you enter is not sent to our server or anywhere else.

Microsoft does not document the drive ID layout; it is derived from observed IDs. If in doubt, verify the result in Graph Explorer.