SSL Certificate Checker
Check a website's SSL/TLS certificate: issuer, validity, expiry date, SANs and chain.
Security & Encoding Tools
16 free tools
Free security and encoding tools to generate strong passwords, hash text with MD5, SHA and bcrypt, encode Base64 and URLs, check SSL certificates and validate cards.
All 16 security & encoding tools
Password Generator
Generate strong, random passwords with custom rules.
Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 back to text (UTF-8 safe).
Password Strength Checker
Test how strong a password is and how long it would take to crack, privately in your browser.
URL Encoder / Decoder
Percent-encode or decode URLs and query string values.
Credit Card Validator
Check whether a card number is valid with the Luhn algorithm and identify the card network.
BIN Checker
Look up a card's issuing bank, country, network and type from its first 6–8 digits.
Bcrypt Hash Generator
Create bcrypt password hashes with a chosen cost, and check passwords against a hash.
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes.
Email Verifier
Check whether an email address is valid: syntax, domain, mail servers and disposable domains.
CRC32 Checksum Generator
Calculate the CRC32 checksum of any text, as used by ZIP and PNG files.
RIPEMD-160 Hash Generator
Generate the RIPEMD-160 hash of any text, as used in Bitcoin addresses.
Whirlpool Hash Generator
Generate the 512-bit Whirlpool hash of any text.
Passphrase Generator
Create strong, memorable passphrases from random words, with a strength meter.
Morse Code Translator
Translate text to Morse code and back, then play it as sound.
ROT13 Encoder / Decoder
Encode or decode text with ROT13, ROT5, ROT18, ROT47 or any Caesar shift.
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