DevToys
Offline desktop toolkit with 30 tools for everyday developer tasks
12 tools like JWT.io, chosen by what they do. About JWT.io

Offline desktop toolkit with 30 tools for everyday developer tasks

Free collection of online tools for developers and IT work

Generates typed models from JSON, JSON Schema and GraphQL

Learn, build and test regular expressions with live matching

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

Visualize JSON, YAML, CSV and XML as interactive graphs

Free fake REST API with placeholder JSON data for testing

Preview how links look on social media and generate OG images

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

Hand-picked collection of Open Graph images for inspiration

Cron schedule editor that explains expressions in plain English

Convert Unix timestamps to dates and back, with code examples