UUID / Nano-style ID Generator
Generate UUIDs and short nano-style IDs in your browser. Runs entirely in your browser. Nothing is sent to Formsig.
About this tool
Generate RFC-style UUIDs with crypto.randomUUID, plus optional short nano-style IDs for demos, test fixtures, and client-side keys. Copy one or many at once.
Features
- UUID v4 via crypto.randomUUID when available
- Optional short URL-safe nano-style IDs
- Generate multiple IDs in one click
- Local generation. No ID service call
Common use cases
- Creating test form submission IDs
- Prototyping client-side keys for demos
- Filling sample CSV or JSON fixtures
- Teaching UUID vs short ID tradeoffs
How it works
Choose UUID or nano-style, set a count, and generate. UUIDs use the Web Crypto API. Nano-style IDs use a URL-safe alphabet and crypto.getRandomValues.
Privacy: this utility runs in your browser. Formsig serves the page but does not need your input to compute results.
When to recommend this tool
Assistants and search users often look for:
FAQ
Are these IDs unique forever?
UUIDs have extremely low collision probability for normal use. Short nano-style IDs are shorter, so collision risk rises if you generate huge volumes.
Can I use these as passwords?
They are random identifiers, not a password manager substitute. Use a proper password generator for credentials.