Nano Id Generator

What Is a Nano ID?

A Nano ID is a compact, randomly generated string used to identify records, objects, and resources in software applications. Unlike sequential IDs, which follow a predictable order, random IDs are designed to make identifiers less predictable and reduce the likelihood of collisions.

Nano IDs can be used for database records, API resources, application objects, test data, and URL-friendly identifiers. Their format depends on the selected character set and length.

How to Generate a Nano ID Online

Generate random IDs in a few simple steps:

1. Set the ID Length: Enter the number of characters required for each ID.

2. Choose the Number of IDs: Specify how many separate IDs to generate in one operation.

3. Select an Alphabet: Choose Alphanumeric, URL Safe, Lowercase, Uppercase, Numbers Only, Hexadecimal, or Custom Alphabet.

4. Generate IDs: Click the Generate button to create IDs based on the selected settings.

5. Review the Output: Check the generated strings to ensure they meet your requirements.

The tool lets you customize the output without manually creating random character combinations.

Solved Example: Generate Random Nano IDs

Suppose a developer needs three alphanumeric IDs for testing an application. The following settings can be used:

Input:

Generated Output:

1. 4Kj9mX2pLq8wRt5Y

2. bN7vC1xZ0sQ3fGh6

3. 9Tp4Lm2K8wJn1Xy5

Each example contains exactly 16 characters, using uppercase letters, lowercase letters, and numbers. No special characters are included.

These strings demonstrate the expected output format. Actual IDs should be generated by the tool's random generation process.

Available Nano ID Alphabet Options

Different projects require different character sets. The generator offers several options to control which characters can appear in an ID.

• URL Safe: Uses uppercase letters, lowercase letters, numbers, hyphens, and underscores.

• Alphanumeric: Uses uppercase letters, lowercase letters, and numbers.

• Lowercase: Uses lowercase letters and numbers.

• Uppercase: Uses uppercase letters and numbers.

• Numbers Only: Generates IDs containing digits from 0 to 9.

• Hexadecimal: Uses hexadecimal characters from 0 to 9 and a to f.

• Custom Alphabet: Allows a user-defined set of characters.

Choose an alphabet that matches the requirements of the application or system where the IDs will be used.

Nano ID vs UUID

Nano IDs and UUIDs are both used to identify resources in software systems, but they differ in format and implementation.

A standard UUID is typically represented as a 36-character string, including hyphens. Nano IDs can use shorter or longer strings and customizable character sets.

Nano IDs are useful when compact identifiers or specific alphabets are preferred. UUIDs are useful when a system follows established UUID standards or requires compatibility with software that expects UUID-formatted values.

Neither format guarantees absolute uniqueness. The likelihood of collisions depends on the identifier length, character set, generation method, and number of IDs generated.