Generate and copy a GUID online in one click. Create UUID v4 or time-ordered UUID v7 values in uppercase, braced, compact, or bulk formats. Free, no signup.
Paste a GUID or UUID to check its format, version, and normalized value.
Use hyphenated UUIDs for most APIs, databases, and code.
Use braces when a .NET, SQL Server, Windows, or Azure workflow expects Microsoft-style GUIDs.
Use compact output when a system expects exactly 32 hexadecimal characters.
Choose UUID v4 or UUID v7, select the output format and count, then generate and copy the result.
GUID and UUID usually refer to the same 128-bit identifier format. UUID is the standards term, while GUID is common in Microsoft tools.
Use UUID v4 for random identifiers. Use UUID v7 when creation order matters, such as for database records or event IDs.
Use braces when a Microsoft-style workflow expects them. Most APIs and databases accept the standard hyphenated form without braces.