Short Identifier Generator
Generate random short IDs using your chosen alphabet, length and prefix, then export a batch as CSV, JSON or text.
How can I generate short IDs with a custom alphabet?
Enter the distinct characters allowed in your IDs, or select a preset alphabet. Choose the random length and batch size, then generate. The tool uses local cryptographic randomness and rejects impossible batch sizes. All output codes are distinct within that batch.
Your result
A little clarity, right here.
Start with your own content or load the example. Your result will appear here.
Three simple steps
How to use Short Identifier Generator
Paste your input or load the example, then choose the options.
Generate a batch and review the result. Each run creates new random values.
Download the complete output and keep it before leaving the page.
Common questions
Good to know
Understand the result.
Keep the original.
Is this tool free, and are my files uploaded?
This tool is free with no account required. The work happens in your browser. Your input and files are not sent to a processing server.
What are the limits and details?
Generate 1–10,000 codes with 1–128 random characters and 2–64 distinct ASCII alphabet characters. Codes are unique within this batch only; separate runs can overlap. Preview shows up to 500 rows; downloads include all rows. Processing stays local and stops after 30 seconds. These are offline codes, with no server validation, redemption or access control.
10,000 codes per batch. Unique within this batch only.