Upload a Java .properties file and download it as Markdown. Translation keys, plurals and placeholders are preserved. Free, no account needed.
Pick the source format or let the converter detect it from the file.
Used when the source format holds one language per file. Also used as the source language for XLIFF output.
Choose the format you want to download.
Plain Markdown files translated as a single block of content, with a {translationKey} placeholder standing in for the key. A good fit for blog posts, docs pages and long-form marketing copy that live outside a typical i18n key-value structure.
Need it the other way round? Convert Markdown to Java Properties.
Key=value resource bundles used by Java, Spring Boot and Kotlin backends. Each language lives in its own messages_xx.properties file next to the default bundle.
Used by: Java, Spring Boot, Kotlin, Thymeleaf. One language per file. Read the Java Properties format guide.
# example comment
user.hello=Hello, {0}
hello.world=Hello World!Plain Markdown files translated as a single block of content, with a {translationKey} placeholder standing in for the key. A good fit for blog posts, docs pages and long-form marketing copy that live outside a typical i18n key-value structure.
Used by: static site generators, blogs, documentation sites, content teams. One language per file. Read the Markdown format guide.
# Title
My blog post, documentation page, markdown content or any other plain text in English
[Learn more](https://simplelocalize.io/docs/file-formats/markdown/)de.json or messages_pt-BR.properties.If you need the Markdown file in more languages, the fastest route is a free SimpleLocalize project: import the Java Properties file, add languages, run auto-translation with DeepL, Google Translate, OpenAI, Claude or Gemini, and download the result as Markdown. The CLI does the same from CI with upload and download commands, so the conversion becomes part of your build. See also translating Java Properties files.
Yes. There is no signup and no limit on the number of conversions beyond a few requests per second.
No. The file is parsed in memory, converted and returned in the same request. Nothing is written to disk or a database.
Plural forms are normalized to ICU message syntax and written back in the native form of Markdown. Placeholders are kept, and Apple and Android specific syntax is translated between platforms. Read more in the pluralization guide.