Developer Tools

Everyday helpers for developers: secure passwords, UUIDs and hashes, fake test data, regular expressions, cron expressions, TypeScript types and config files, generated locally in your browser.

11 tools

Password Generator
Generate strong passwords and memorable passphrases.
QR Code Generator
Create QR codes for links, Wi-Fi and contacts with custom colors.
Fake Data Generator
Get lorem ipsum and realistic test data as JSON, CSV or SQL.
Regex Generator
Build regular expressions from simple rules and test them live.
Barcode Generator
Create EAN-13, Code 128 and UPC barcodes as SVG.
UUID & Hash Generator
Generate UUIDs and NanoIDs or hash text with SHA-256 and more.
Cron Expression Generator
Turn plain schedules into cron expressions and preview next runs.
Diagram Generator
Write simple text and get flowcharts, sequence and Gantt diagrams.
Config File Generator
Assemble .gitignore, docker-compose, .editorconfig and license files.
JSON to Types
Generate TypeScript, Zod, JSON Schema, C#, Go or Python types from JSON.
Table Generator
Convert spreadsheet data into Markdown, HTML or LaTeX tables.