Compatibility Calculator
Check your fun compatibility score with a partner, friend or crush from your names and birthdays — for entertainment only. — free, fast and private.
How to use Compatibility Calculator
- Enter both names and, optionally, both birthdays.
- Click Check Compatibility to see your fun score.
- Share the result — and remember it is just for entertainment.
Note: this tool runs in your browser. Nothing is uploaded.
For fun and entertainment only — this score is generated from your names and birthdays and says nothing real about a relationship.
Frequently Asked Questions
Is the compatibility score real?
No — it is a fun, deterministic score generated from the names and birthdays you enter, so the same names always give the same score. Real compatibility comes from communication, trust and shared values.
Is this tool free to use?
Yes, it is 100% free with no sign-up. Your data stays in your browser.
Is my data uploaded or stored?
No. This tool runs entirely in your browser — nothing you enter is uploaded to a server.
Can I use it on my phone?
Yes, it is fully mobile-friendly and works in any modern browser on phone, tablet or computer.