How to generate 8 characters long random string (letters and digits)?
Introduction
One of the simplest and most commonly used forms of generated codes is a random string composed of letters and numbers. This format is widely applicable due to its versatility, ease of generation, and compatibility with both human and machine processing.
Random alphanumeric strings are used in a broad range of applications including authentication tokens, temporary access codes, API keys, product serial numbers, and registration codes. Their strength lies in the unpredictability and high number of possible combinations, which can be scaled by increasing the length of the string.
This type of code is easy to generate programmatically and can be tailored to meet specific security or usability requirements, making it a foundational element in secure and user-friendly system design.
Example codes
Below you will find 10 examples of 8 characters long random string (letters and digits).
Generator configuration
Our free 8 characters long random string (letters and digits) generator needs the appropriate settings to generate a file with data in the right format. Below is the exact configuration that should be set to get the effect as in the example above.
| Generator mode | Advanced |
|---|---|
| Prefix | Leave empty |
| Suffix | Leave empty |
| Allow duplicated codes? | No |
| Single code length | 8 |
| Set of characters that can appear in the code | \L\l\d |
Quick actions
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