Password / security tools
Passwords & security
Create passwords and identifiers, inspect text and tokens, and check public domains.
Seven tools work locally in your browser. SSL and DNS checks send only the domain and record type to our server, which contacts public DNS services and the target domain. Inputs and results are not saved by these tools.
Runs in your browser
Password generator
Create a random password with the length and character types you choose.
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Runs in your browser
Password strength checker
Estimate password strength locally and identify common patterns.
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Runs in your browser
Hash generator
Generate SHA-256, SHA-384 or SHA-512 hashes from UTF-8 text.
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Runs in your browser
UUID generator
Create random UUID version 4 identifiers, one at a time or in batches.
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Runs in your browser
Random string generator
Generate random strings using a preset or custom character set.
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Runs in your browser
Base64 encode / decode
Encode or decode UTF-8 text with Base64 or Base64url.
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Runs in your browser
JWT decoder
Inspect a JWT header, payload and time claims locally, without signature verification.
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Checks the domain over the network
SSL checker
Inspect a public domain’s TLS certificate, trust, hostname and expiry.
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Checks the domain over the network
DNS lookup
Look up public A, AAAA, MX, TXT, NS, CNAME, SOA and CAA records.
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