Guides & practical references

We are preparing focused guides for the tasks behind these tools. Until then, start with the examples and explanations on each tool page.

Working with JSON

JSON requires quoted property names and does not allow trailing commas. The formatter and validator shows syntax errors, while the Dart converter explains how a sample becomes a model.

Understanding Unix time

Choose seconds or milliseconds explicitly and compare UTC with your device’s local time using the timestamp converter.

Flutter color values

Flutter integer colors begin with an alpha byte. The Flutter color converter explains ARGB and provides copyable literals.