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.
More categories
- File Converter12 tools
- File Viewers19 tools
- Calculators9 tools
- Device Tests8 tools
- Time & Date8 tools
- Privacy & Security8 tools
- Text & Writing8 tools
- Speed & Skill Tests7 tools
- Charts & Diagrams9 tools
- Math & Science8 tools
- Accessibility5 tools
- Maps & Geo6 tools
- Design & Color8 tools
- Image Tools10 tools
- Video Tools7 tools
- PDF Tools10 tools
- Puzzles & Games7 tools
- Generative Art7 tools
- Worldbuilding & RPG10 tools
- Fun & Social4 tools
- Music & Audio3 tools
- Everyday & Print11 tools