JWTstandard, base64url, enhanced

Passwordscustom length and exclusions

HashesSHA-1, SHA-256, SHA-384, SHA-512

ExtrasUUID v4/v7, ULID, salts, API keys, TOTP

JWT Secret Keys

Generate secrets for HS256, HS384, HS512, and app signing workflows.

Entropy bytes

Output format

Quantity

Add JWT_SECRET= prefix Enhanced layered output Append timestamp tag

Output

512 bits at 64 bytes

JWT Output

QR appears after signing.

Decoded JSON

Secure Passwords

Create passwords with required character groups, exclusions, and readable alternatives.

Length

24 characters

Quantity

Symbols

Uppercase Lowercase Numbers Symbols Require each selected group Exclude ambiguous characters

Extra exclusions

Output

Estimated entropy updates after generation

Analysis

Paste a value to estimate strength

HMAC Generator

Create keyed message signatures with SHA-256, SHA-384, or SHA-512.

Algorithm

Output format

Secret

Message

Crypto Output

Generate a QR code from any text below.

Encryption Keys

Create AES-sized keys as hexadecimal, Base64, Base64URL, or byte arrays.

Key size

Format

Quantity

Add ENCRYPTION_KEY= prefix Include 96-bit IV Include 128-bit salt

Output

AES-GCM commonly uses 256-bit keys with 96-bit IVs.

UUIDs & Random Strings

Generate UUID v4/v7, ULID, MongoDB ObjectID, Snowflake, NanoID, slugs, PINs, and URL-safe values.

Generator

Length

Quantity

Custom charset for random strings

Output

Hash Generator

Hash text with SHA algorithms and optional salt placement.

Algorithm

Format

Salt placement

Text to hash

Salt

Output

SHA-1 is included for compatibility, not for new security-sensitive designs.

Generate secure secrets, keys, tokens, hashes, and passwords.

JWT Secret Keys

Output

JWT Signer

JWT Output

JWT Decoder

Decoded JSON

Secure Passwords

Output

Secret Strength Analyzer

Analysis

HMAC Generator

Crypto Output

Key Pair

QR Code

Export Format

Text Transform

Encryption Keys

Output

UUIDs & Random Strings

Output

Hash Generator

Output

Salt Generator

API Tokens

TOTP Secret

.env Bundle

Advanced Output