Password Strength Checker
Test password strength and crack time
What is Password Strength Checker?
Password Strength Checker is a free online utility from Farvixo that lets you test password strength and crack time. Everything is generated locally in the browser, so nothing is uploaded or retained. Free forever, unlimited, and no account is needed to use it.
How to use Password Strength Checker
Enter what you need into Password Strength Checker. Nothing is sent to a server.
Adjust the settings to suit what you are doing. Password Strength Checker shows the result as you change them.
Copy or download it right away. Free forever, unlimited, no account required.
Frequently Asked Questions
Is it safe to type a real password here?
Yes. The check runs entirely in your browser — there is no network request and nothing is stored or logged. Be wary of any strength checker that cannot say the same, because typing a live password into a page that sends it somewhere is exactly the risk you are trying to avoid.
What actually makes a password strong?
Length, far more than complexity. A long passphrase of ordinary words beats a short string of symbols, because attackers try dictionary words and substitutions first. "Tr0ub4dor&3" is weaker than four random words.
Is the crack-time estimate reliable?
It is an estimate against offline brute force with modern hardware, and it is useful for comparison rather than prediction. A password already in a breach database is cracked instantly regardless of how strong it looks.
What should I do with a weak password?
Replace it with a long random one from a password manager, and never reuse it. Reuse is the bigger risk in practice — one breached site exposes every account sharing that password, however strong it was.
Does it check against known breaches?
No, and that is a deliberate limit — checking would mean transmitting the password. Use Have I Been Pwned's own tool for that, which does it without sending the full password.
What you can use Password Strength Checker for
- A one-off task where installing software would be overkill
- Generating something quickly on a phone, away from your desk
- Producing an asset for print, a slide or a page
- Anyone who needs a reliable result without ads or sign-up walls
Password Strength Checker at a glance
- Tool
- Password Strength Checker — Utility Tools
- Purpose
- Test password strength and crack time
- Input
- Text or values you enter directly
- Output
- The generated result, ready to copy or download
- Processing
- In your browser — files are never uploaded to a server
- Price
- Free, unlimited, no account required
- Limitations
- Bounded by your device's memory and CPU rather than a server quota
Tips for better results
- Test the output in its real destination before producing it in bulk.
- Where a size is offered, pick the largest you may need — scaling down keeps quality, scaling up does not.
- The page works offline once loaded, which is useful on an unreliable connection.
Common problems and how to fix them
The output does not work where you pasted it
The destination expects a different format or encoding. Check what it accepts and re-generate accordingly.
The result is too small to use
Increase the size or resolution before generating rather than enlarging the file afterwards.
Nothing happens when you click
A required field is empty, or a browser extension is blocking the script. Try a private window with extensions disabled.
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