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Password Generator
Generate strong passwords and memorable passphrases locally with length, character sets, batch copy, and strength guidance.
StrengthExcellent
Estimated entropy: 126 bits
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Learn practical password length, randomness, passphrases, storage, and sharing habits.
About this tool
DevCove Password Generator creates strong random passwords and memorable passphrases in your browser using cryptographic randomness. It is designed for real-world developer and team workflows: generate batches, satisfy legacy composition rules when a site requires them, avoid ambiguous characters for manual entry, copy one value or the whole list, and keep generated secrets on your device.
How to use this tool
Use this generator when you need fresh credentials for test accounts, admin setup, temporary secrets, or password manager entries.
- Choose Password for a random character string, or Passphrase for a longer word-based secret that is easier to read aloud or type.
- Set the number of values to generate. Use Copy on a single row or Copy all for a newline-separated batch.
- For passwords, choose length and character sets. Longer passwords are usually more important than complicated composition rules.
- Keep symbols enabled when a service requires them; disable symbols or ambiguous characters when a password must be typed manually.
- Use the strength indicator as guidance, then store important passwords in a password manager.
- Regenerate immediately after copying if you want a fresh set. Nothing is uploaded to DevCove.
Features
Built for realistic password workflows, not just one-off random strings:
- Cryptographically random password generation using the browser Web Crypto API.
- Password mode with length, uppercase, lowercase, numbers, symbols, and ambiguous-character controls.
- Passphrase mode with word count, separators, capitalization, and optional number suffix.
- Batch generation from 1 to 50 values for fixtures, onboarding, and admin setup.
- Copy single values or copy the entire batch as newline-separated text.
- Estimated entropy and strength label to encourage longer secrets.
- 100% client-side processing—generated passwords are not uploaded or stored by DevCove.
- Practical defaults: 20-character passwords and 4-word passphrases with a number suffix.
FAQ
Are generated passwords uploaded to a server?
No. Passwords and passphrases are generated in your browser with Web Crypto randomness. DevCove does not upload, store, or log generated secrets.
What length should I use?
For random passwords, 16 characters is a practical minimum and 20 or more is a stronger default. Current NIST guidance emphasizes length over forced character-composition rules.
Should I require uppercase, numbers, and symbols?
Use character categories when a website or legacy system requires them. For your own systems, long passwords or passphrases plus MFA are usually better than rigid composition rules.
Why offer passphrases?
Passphrases can be long while remaining easier to type or communicate. They work well when a human must remember or manually enter the secret.
Can I use this for production credentials?
You can generate strong secrets here, but production credentials should be stored in a password manager or secret manager, shared through secure channels, and rotated according to your organization's policy.