Security
Passwords, hashes and lookups — generated and checked on your device.
8 tools
Password Generator
Generate strong passwords and passphrases in your browser with live entropy estimates — crypto-grade randomness, nothing sent or stored.
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Password Strength Checker
See how strong a password really is: zxcvbn scoring, realistic crack-time estimates and concrete fixes — all computed locally, never uploaded.
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Email Validator
Check an email's format locally and verify its domain can receive mail with a live MX lookup, plus typo detection — free, instant, no signup.
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DNS Lookup
Look up A, AAAA, MX, TXT, NS and CNAME records for any domain via DNS-over-HTTPS in a clean table — no terminal or dig commands needed.
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IP Lookup
Find any IP address's country, city, ISP and ASN in seconds — or check your own IP — with a free keyless API, right in your browser.
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WHOIS Lookup
Check domain registration data via RDAP — registrar, creation and expiry dates, status codes and nameservers — with clear notes on TLD coverage.
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Random Number Generator
Generate truly random numbers from any range — singles, batches, unique lottery-style draws — using your browser's cryptographic RNG.
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TOTP Generator
Generate 2FA codes offline from any TOTP secret — RFC 6238, 6 or 8 digits, live 30-second countdown. Your secret never leaves the browser.
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