Generators Tools

Generate v4 UUIDs — single or bulk

Generate sortable ULIDs (Universally Unique Lexicographically Sortable IDs)

Generate secure random passwords with custom rules

Convert cURL commands to fetch, axios, Python requests, and more

Describe cron expressions in plain English with next run times

Format and prettify SQL queries

Format and prettify GraphQL queries and schemas

Generate JSON Schema from a sample JSON object

Generate TypeScript interfaces from JSON data

Generate fake names, emails, addresses, and more in JSON or CSV

Generate QR codes from text or URLs

Convert between symbolic and numeric Unix file permissions

Build a .gitignore from curated language/framework templates

Visualize cron schedules as a timeline of next executions

Convert numeric chmod values to human-readable permission descriptions

Generate a privacy policy from your app name, URL, and data practices

Build cron schedules visually with dropdowns for each field

Generate QR codes with customizable options

Generate UUID v7 with timestamp analysis

Generate Nano IDs with custom alphabet

Generate CUID2 identifiers with timestamps

Generate Snowflake IDs with component breakdown

Secure random strings — hex, base64, base58, symbols, custom length

Bulk fake first+last names for test fixtures — famous tech names pool

Bulk US-style fake addresses for seeding dev databases

Bulk fake phone numbers in US / UK / E.164 formats

Luhn-valid dev cards for Visa/MC/Amex/Discover/JCB/Diners

Synthesize IBANs with valid ISO 13616 checksums per country

Generate random 17-char VINs with valid position-9 check digit

Generate CODE-128 barcode PNGs from any text — client-side canvas

Wrap any text (or file contents) into a base64 data: URI

Secure random API keys with prefix (sk_, pk_, whsec_) — base62 or hex

Generate a bcrypt-style hash preview — configurable cost rounds (4-14)

Generate an argon2id PHC-formatted hash preview for docs / fixtures

Build Shields.io README badges — label, message, color, logo, style

Generate a README template with title, description, install, usage, license

Tab/space indent, EOL, charset rules — one config for every editor

Build a Prettier config — semi, quote style, trailing comma, width

ESLint config for Node / TypeScript / React — commonjs output

Keep a Changelog starter with [Unreleased] + first version section

MIT, Apache 2.0, BSD 3-Clause, GPL 3.0, Unlicense — year + holder

Multi-stage Dockerfile for Node / Python / Go — production-ready

Wire up api + postgres + redis + mongo into a single compose file

Language-aware Makefile for Node / Python / Go — install/dev/test/build

Combine templates — node, python, go, rust, java, macos, windows, vscode

Memorable multi-word passphrases from a 300-word EFF-style list

Character-set algebra, per-position patterns and policy templates, plus a compliance checker