Random String Generator
Generate random strings with the selected subset of characters, length, and output options.
This tool generates random strings for passwords, tokens, or any use case that requires random data.
Random String Generator
Generate secure random strings and passwords
Length
16
Char Set
90
Entropy
104 bits
Strength
Strong
16
4128
5
a-z
A-Z
0-9
!@#
Exclude Similar
Avoid i, l, L, I, 1, o, O, 0
5 strings
Character Pool
90
Entropy
104 bits
Combinations
90^16
Strength
Strong
This tool uses the Web Crypto API (crypto.getRandomValues) for cryptographically secure random number generation. All processing happens locally in your browser.
Passwords
16+ chars recommended
API Keys
32+ chars typical
Tokens
64+ chars for security
PINs
6-8 digits common
Use Cases
- Password Generation: Create strong, random passwords for user accounts, admin panels, and sensitive systems.
- API Keys & Tokens: Generate secure API keys, session tokens, or unique identifiers for authentication and authorization.
- Test Data: Produce random strings for populating databases, testing input validation, or simulating user data in development environments.
- Voucher & Coupon Codes: Create unique codes for promotions, discounts, or access control.
- Randomized Filenames: Generate unpredictable filenames for uploads or temporary files to avoid collisions.
- Obfuscation: Use random strings to obfuscate sensitive information or create non-guessable URLs.