Random String Generator uses crypto.getRandomValues() to produce random strings of any length (1–1000 characters) from configurable character sets: lowercase, uppercase, digits, symbols, and custom characters. Generate 1–100 strings at a time and copy individually or all at once.
Yes. For API keys, use a length of 32–64 characters with uppercase, lowercase, and digits enabled. The cryptographic randomness source (crypto.getRandomValues) makes these suitable for security tokens, not just Math.random()-based generation.
The symbols set includes: ! @ # $ % ^ & * ( ) - _ = + [ ] { } | ; : , . < > ?
This tool is built for general-purpose random strings — tokens, keys, test IDs, custom alphabets — and supports bulk generation of up to 100 strings at once with a custom character set field. The Password Generator is focused specifically on human-usable passwords with a strength indicator.
Yes — enable 'Custom chars' and type any characters you want included. This is combined with any other enabled sets (lowercase, uppercase, digits, symbols), so you can build a specific alphabet, like hex characters or a project-specific token format.
Between 1 and 100 strings per click, each independently random. Use Copy All to copy every generated string as a newline-separated list.
Up to 1000 characters per string. For most use cases like tokens or keys, 16-64 characters is typical; very long strings are more useful for stress-testing or generating filler data.
The generator uses modulo on a 32-bit random integer to map onto your character set. For very large character sets (close to 2^32), this can introduce a very slight statistical bias, but for typical alphabets (under a few hundred characters) the bias is negligible.
