Properties to JSON
Convert a Java .properties file into JSON, turning each key=value line into a JSON field.
- Runs in your browser
- Nothing uploaded
- Free, no sign-up
Processed locally in your browser. Your text never leaves this tab.
How to Use Properties to JSON
- Paste your properties. One key=value pair per line.
- Convert to JSON. Each pair becomes a JSON field.
- Read the result. Comment lines starting with # or ! are skipped.
- Copy the result. Click Copy result. It all runs in your browser.
Frequently Asked Questions
What format does it expect?
A Java .properties file, with each line holding a key and value separated by an equals sign or a colon.
Are comments ignored?
Yes. Lines that start with # or ! are treated as comments and skipped.
Are values kept as text?
Yes. Every value is read as a string, which matches how properties files store data.
Is my data sent anywhere?
No. The conversion runs entirely in your browser, so your text never leaves the tab.
Is it free?
Yes. Every tool here is free to use with no sign up.
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