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Online Security Tools For Free

Free online security tools to generate strong passwords, create hashes and inspect JSON Web Tokens.

They run in your browser, so passwords and secrets are not sent anywhere.

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Strong Random Password Generator

Generate strong random passwords and check its stregth with password strength meter

MD5 Encrypt/Decrypt

Encrypt strings to MD5 hashes or decrypt MD5 hashes to strings by iterating combinations

SHA1 Encrypt/Decrypt

Encrypt strings to SHA1 hashes or decrypt SHA1 hashes to strings by iterating combinations

SHA224 Encrypt/Decrypt

Encrypt strings to SHA224 hashes or decrypt SHA224 hashes to strings by iterating combinations

SHA256 Encrypt/Decrypt

Encrypt strings to SHA256 hashes or decrypt SHA256 hashes to strings by iterating combinations

SHA384 Encrypt/Decrypt

Encrypt strings to SHA384 hashes or decrypt SHA384 hashes to strings by iterating combinations

SHA512 Encrypt/Decrypt

Encrypt strings to SHA512 hashes or decrypt SHA512 hashes to strings by iterating combinations

JWT Encoder/Decoder

Encode, decode, verify or debug JWT (JSON Web Token) for HSxxx, RSxxx & ESxxx algorithms

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Passwords

The Strong Random Password Generator makes passwords with the length and characters you choose, from your browser's cryptographic random generator.

Hashes

Turn any text into an MD5, SHA-1, SHA-256 or SHA-512 hash to compare checksums or test code. SHA-224 and SHA-384 are here too.

Tokens

The JWT Encoder/Decoder decodes a JSON Web Token into its header and payload, and encodes new tokens for testing.