Prepare application test data
Create 5 values for a local integration test.
Copy the generated or inspected values into the test fixture.
Generate secure UUID v4 identifiers. Use it for common development values, schedules, and reference lookups. Identifiers are generated in this browser.
Generate UUID v4 identifiers. Workspace preferences are saved locally. Generated identifiers are not restored after you leave.
Batch generation is capped to protect browser responsiveness. Copy or download newline-separated identifiers.
Create 5 values for a local integration test.
Copy the generated or inspected values into the test fixture.
Identifiers are generated in this browser. Workspace preferences are saved locally. Generated identifiers are not restored after you leave.
UUID v4, Nano ID, ULID. Batch generation is capped to protect browser responsiveness.
Copy or download newline-separated identifiers.
Generated identifiers are not passwords or encryption keys.
Generate compact, URL-friendly random identifiers.
Developer tools
Generate sortable, time-based unique identifiers.
Developer tools
Find a common MIME type from a file extension or media type.
Developer tools
Generate and export a local batch.