IT Tools
Free collection of online tools for developers and IT work
12 tools like DevToys, chosen by what they do. About DevToys

Free collection of online tools for developers and IT work

Generates typed models from JSON, JSON Schema and GraphQL

Visualize JSON, YAML, CSV and XML as interactive graphs

Converts code between formats such as JSON, YAML, SVG and TypeScript

Decode, verify and generate JSON Web Tokens in your browser

Generate random version 4 UUIDs online, one at a time or in bulk

Preview how links look on social media and generate OG images

Free fake REST API with placeholder JSON data for testing

Learn, build and test regular expressions with live matching

Browser tool for encoding, encryption, compression and data analysis

Hand-picked collection of Open Graph images for inspiration

Cron schedule editor that explains expressions in plain English