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Hazuu Tools

Random String Generator

Generate random strings of any length with customizable character sets.

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Set your options, then click Generate.
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About Random String Generator

Random strings are essential in software development for generating unique identifiers, test data, session tokens, and temporary keys. Our Random String Generator creates truly random character sequences using your browser's cryptographic API, ensuring high-quality randomness for any purpose.

Customize the output by choosing the character types you need — digits, lowercase letters, uppercase letters, and symbols — along with your desired string length. All generation happens entirely in your browser, so your data stays private and no information is sent to any server.

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How to Use

01

Set Length

Use the slider to choose the desired string length, from 1 to 128 characters.

02

Choose Characters

Select which character types to include: digits, lowercase, uppercase, and/or symbols.

03

Generate & Copy

Click Generate to create a new random string, then use the Copy button to save it to your clipboard.

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Frequently Asked Questions

What is a Random String Generator? expand_more
A Random String Generator creates sequences of characters selected randomly from your chosen character sets. It is commonly used in programming for generating test data, unique IDs, API keys, and placeholder content.
Is the generated string truly random? expand_more
Yes, our tool uses the Web Crypto API (crypto.getRandomValues) which provides cryptographically secure random values. This means the output is unpredictable and suitable for security-sensitive use cases.
Can I use this for generating passwords? expand_more
While you can generate password-like strings with this tool, we recommend using our dedicated Random Password Generator for passwords, as it includes strength analysis and crack time estimation for better security guidance.
What is the maximum string length? expand_more
You can generate strings up to 128 characters long using the length slider. This should be sufficient for most use cases including tokens, identifiers, and test data.