WebToolsPlanet
Generator Tools

Random Strings Generator

Generate random strings for test data, mock codes, placeholders, examples, and development fixtures.

Last updated: May 31, 2026

For production passwords, API keys, or secrets, use a dedicated secret generator and storage policy.

Client-Side Processing
Input Data Stays on Device
Instant Local Execution

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What is Random Strings Generator?

This generator creates random text strings from selected character groups. It supports letters, numbers, symbols, and custom character sets.

How to Use Random Strings Generator

1

Set string length and count.

2

Choose character groups.

3

Add custom characters if needed.

4

Click Generate.

5

Copy individual strings or the full list.

Common Use Cases

  • Creating mock codes and labels.
  • Generating test fixture strings.
  • Testing input validation.
  • Building placeholder identifiers for prototypes.

Example Input and Output

Generate short strings with symbols.

Settings
Length: 8, Count: 3, Uppercase + Numbers + Symbols
Strings
A9#K2_ZQ
7@TR4B!N
P0Q+LD2S

Data Privacy

Strings are generated locally in your browser.

Frequently Asked Questions

Can I use custom characters?
Yes. Enter extra characters in the custom field.
What happens if I disable all options?
The tool falls back to uppercase, lowercase, and numbers.
Can I copy all generated strings?
Yes. Use the copy button above the results.