Generators tools
15 developer tools for generators. Every tool runs offline — your data never leaves your machine.

Color Palette Generator
Generate color palettes and harmonies — complementary, analogous, triadic, tetradic, split-complement, monochromatic

UUID/ULID Generate/Decode
Generate UUIDs/ULIDs in bulk, or decode one from the input

Hash Generator
MD5 / SHA / CRC32 / Blake hashes and HMACs of the input text

Bcrypt Hash/Verify
Hash text with bcrypt or verify text against a bcrypt hash

TOTP Generator
Generate time-based one-time passwords (RFC 6238) from a base32 secret or otpauth URI

Basic Auth Generator
Build or decode an HTTP Basic Authorization header from user:password

QR Code Generator
Generate a QR code (SVG) from any text or URL

App Icon / Favicon Set
Drop one image (512px+ recommended) and get every favicon and app-icon size, ready to save

JWT Key Generator
Generate cryptographically secure keys for every JWT algorithm — HMAC, RSA, ECDSA, EdDSA

Certificate Generator
Generate self-signed X.509 certificates with RSA, ECDSA, or Ed25519 keys

Mock Data Faker
Generate realistic mock data from JSON templates with {{faker}} placeholders

Stateless Password Generator
Derive deterministic passwords from a master secret and site name — same inputs always produce the same password

htpasswd Generator
Generate htpasswd entries with bcrypt, apr1 (Apache MD5), or SHA1 hashing

Lorem Ipsum Generator
Generate placeholder text: paragraphs, sentences, words, names, emails, URLs, tweets

Random String Generator
Generate cryptographically random strings and passwords