Java Properties to JSON Converter

Convert Java Properties translation files to JSON format. Paste your content or upload a file — conversion happens instantly in the browser.

.properties → .json

Input .properties

Java Properties

Upload Java Properties file

Drag and drop a .properties file, or paste content below

or paste

JSON

Converted output will appear here after you click Convert

Source format

.propertiesJava Properties

Java .properties — key=value pairs for JVM applications

Target format

.jsonJSON

JavaScript Object Notation — the most common i18n format for web apps

FAQ

More tools

Free tools for the rest of your i18n workflow: locale data, ICU messages, file formats and hreflang.

Browse 250+ locales with Intl API examples, plural rules, and framework configs

Test ICU message syntax with live preview, multi-locale output, and error explanations

Estimate localization costs with side-by-side comparison of human, AI, and Better I18N pricing

Generate and validate hreflang tags for multilingual SEO in HTML, XML sitemap, or HTTP headers