Developer & Security

Hashes, HMAC, JWT decoding, UUIDs, passwords, QR codes, regex and cron tools, all running locally in your browser.

  • hash
  • hmac
  • jwt
  • uuid
  • qr

Showing 15 tools

SHA-1 Hash

Developer & Security

Generate the SHA-1 hash of text.

TEXT TXT

SHA-256 Hash

Developer & Security

Generate the SHA-256 hash of text.

TEXT TXT

SHA-512 Hash

Developer & Security

Generate the SHA-512 hash of text.

TEXT TXT

MD5 Hash

Developer & Security

Generate the MD5 hash of text (for checksums, not security).

TEXT TXT

HMAC Generator

Developer & Security

Create a keyed HMAC with SHA-256 or SHA-512.

TEXT JSON

JWT Decoder

Developer & Security

Read the header and claims of a JSON Web Token.

TEXT JSON

UUID Generator

Developer & Security

Generate random v4 UUIDs, one or many.

TEXT TXT

ULID Generator

Developer & Security

Generate sortable ULIDs.

TEXT TXT

Password Generator

Developer & Security

Create strong random passwords to your rules.

TEXT JSON

Passphrase Generator

Developer & Security

Create memorable multi-word passphrases.

TEXT JSON

QR Code Generator

Developer & Security

Turn text or a URL into a QR code image.

TEXT SVG

Regex Tester

Developer & Security

Test a regular expression and show its matches.

TEXT JSON

CRC32 Checksum

Developer & Security

Compute the CRC32 checksum of text.

TEXT TXT

Base64URL Encoder

Developer & Security

Encode or decode URL-safe Base64 (the JWT style).

TEXT TXT