Properties ↔ JSON

Convert between Java .properties and JSON。 Runs locally—nothing uploaded.

.properties

JSON (string values → properties)

Nested objects are not flattened; only flat string maps.

How to use & FAQ

Properties ↔ JSON: Convert between Java .properties and JSON. Runs instantly in the browser.

Free, no signup.

Do I need to sign up to use Properties ↔ JSON?▾

No. All Tools Ku features are free with no registration.

Does Properties ↔ JSON upload my data?▾

No. Processing happens in your browser; data is not uploaded to toolsku.com.

vs IDE?▾

Zero-setup online helper.

Languages?▾

See on-page support list.

Does it work on mobile?▾

Yes. For large files, use Wi-Fi for a smoother experience.

Can I download the result?▾

Yes. Copy text output or use the download button when available.