UUID Generator
Generate RFC 4122 UUIDv4 tokens, compact identifiers, and policy-aware custom IDs without leaving the browser.
Choose your format
Pick the UUID recipe that matches your storage layer, API contracts, or integration runtime.
Batch controls
Specify the volume you need and trigger generation, copy, or cleanup operations.
Generated UUIDs
Waiting for your first batch
Generate a batch to preview tokens with timestamps and quick copy shortcuts.
Implementation notes
Keep these reminders close when wiring UUIDs into distributed systems.
- • Store UUIDs as strings to avoid truncation when syncing between SQL and NoSQL stores.
- • Compact (32 char) identifiers reduce payload size for URLs, QR codes, or telemetry headers.
- • Prefixes help route data (for example, tenantA-uuid) without extra DB columns.
- • Log both the generated UUID and variant for auditability in compliance environments.
Where teams use this
UUIDs keep distributed stacks aligned. Use this quick reference when coaching stakeholders.
Product & APIs
- • Primary keys in microservices where auto-increment IDs would collide.
- • Request correlation IDs passed through message buses for tracing.
- • Signed download links that require one-time unique tokens.
Operations
- • Manufacturing labels that must sync offline scanners with ERP systems.
- • Incident triage links so responders never re-use tracking numbers.
- • QA datasets that need deterministic but non-sensitive identifiers.
Governance checklist
Document every generation run so auditors can trace how identifiers enter your systems.
- Log the chosen variant, length, and any prefix or suffix before distributing IDs.
- Attach exported batches to your change ticket or vault entry for later review.
- Rotate prefixes when IDs leak into customer-facing URLs to avoid guessing patterns.
- Archive old batches securely instead of deleting so forensic teams can replay history.
Architecture discipline with the UUID Generator
Reinforce system design reviews, data migrations, and audit evidence with reproducible UUID generation workflows.
Design reviews
When architects debate identifier strategies, they open the UUID Generator, switch between v4 and v7, and inspect the entropy or timestamp semantics live. Seeing the bytes in hex, base32, and base64 inside the FlowPanel helps product managers grasp why certain versions fit analytics or ordering requirements. Decisions documented alongside screenshots avoid future rehashing.
Migration rehearsals
Data engineers planning record migrations generate UUID batches to simulate surrogate keys. They paste the list into spreadsheets, verify uniqueness, and test ETL jobs before touching production. Because the tool never calls external APIs, even air-gapped environments can rely on it during rehearsal days.
Compliance evidence
Auditors often ask how IDs are created for sensitive workflows (loan files, medical records). Capture a short screencast of the generator preset, note the timestamp, and store the UUID sample plus hash. This shows regulators that identifiers meet randomness requirements without referencing proprietary code.
Developer onboarding
New hires practice using the generator to create fixture data for integration tests. They learn to copy UUIDs with or without hyphens, reducing mistakes when seeding databases. Pair the exercise with the Number Base Converter to show how the same identifier travels through logs, URLs, and QR codes.
Automation backlog
Platform teams can later embed UUID generation into CLI tools, but the UI remains the prototyping ground. Document which presets correspond to which services so when automation lands, engineers trust that the behavior matches what the FlowPanel demonstrated.
Culture of traceability
Encourage teams to reference the generator preset ID in design docs and tickets. Over time, you build a traceable link between architectural decisions and operational artifacts, making audits and incident investigations far smoother.