What this tool is good for
This generator creates random strings using the character sets you choose, including uppercase letters, lowercase letters, digits, and symbols. You can also exclude confusing characters or provide a custom symbol set.
That makes it suitable for passwords, tokens, temporary credentials, invite codes, and general-purpose random strings.
How to use it
- Choose which character groups to include.
- Optionally enable custom symbols or excluded characters.
- Set the target length and the result updates immediately.
- Refresh for a new value and copy it when ready.
Practical notes
- Excluding characters like 0/O or 1/l can reduce mistakes when people need to read or type the value manually.
- Longer output generally provides more entropy than very short strings.
- If a target system limits supported symbols, adjust the custom symbol set before copying the result.
- For security-sensitive values, prefer longer output and keep the copied result in an appropriate secret store instead of plain text notes or chat logs.
FAQ
What makes a strong random password?
A strong password is long, unpredictable, and generated from enough possible characters. Length usually matters more than adding symbols to a short password.
Should every account use a different password?
Yes. Reusing passwords makes one breach affect many accounts. Generate a unique password for each service and store it in a trusted password manager.
Are memorable passwords less secure?
Not necessarily. A long passphrase made from random words can be strong and easier to type, while a short human-chosen phrase is usually easier to guess.
Related tools
- UUID Generator：Generate UUID and GUID values, including UUID v1 and v4
- ULID Generator：Generate ULIDs as an alternative to UUIDs