--- title: From a JAR to a full-fledged MacOS app | daily.dev description: Converting a Java UberJAR into a native macOS application using jpackage solves permission issues with network volumes. The process involves using jpackage to... canonical: https://daily.dev/posts/from-a-jar-to-a-full-fledged-macos-app-vpj7xpxk5 twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: From a JAR to a full-fledged MacOS app | daily.dev og:description: Converting a Java UberJAR into a native macOS application using jpackage solves permission issues with network volumes. The process involves using jpackage to... og:url: https://daily.dev/posts/from-a-jar-to-a-full-fledged-macos-app-vpj7xpxk5 og:image: https://api.daily.dev/og/posts/VpJ7XPXk5.png og:image:alt: From a JAR to a full-fledged MacOS app og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # From a JAR to a full-fledged MacOS app **[A Java geek](https://daily.dev/sources/frankel)** · 4 min read · 1 upvotes · 0 comments ## Summary Converting a Java UberJAR into a native macOS application using jpackage solves permission issues with network volumes. The process involves using jpackage to create a proper macOS app structure, integrating it into a Maven build with the jpackage-maven-plugin, and optimizing the final app size from 160MB to 82MB by explicitly specifying required Java modules. The build-helper-maven-plugin handles version formatting to comply with macOS requirements. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [From a JAR to a full-fledged MacOS app](https://daily.dev/posts/from-a-jar-to-a-full-fledged-macos-app-bhlpo3gbx) · A Java geek · 0 upvotes · 0 comments - [Honey, I shrank the JARs - Mostly nerdless](https://daily.dev/posts/honey-i-shrank-the-jars---mostly-nerdless-ndnbulwiu) · Mostly Nerdless · 19 upvotes · 1 comments --- Tags: [#java](https://daily.dev/tags/java), [#kotlin](https://daily.dev/tags/kotlin), [#mac](https://daily.dev/tags/mac), [#maven](https://daily.dev/tags/maven) [View this post on daily.dev](https://daily.dev/posts/from-a-jar-to-a-full-fledged-macos-app-vpj7xpxk5) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"From a JAR to a full-fledged MacOS app","url":"https://daily.dev/posts/from-a-jar-to-a-full-fledged-macos-app-vpj7xpxk5","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/from-a-jar-to-a-full-fledged-macos-app-vpj7xpxk5"},"datePublished":"2026-01-25T20:33:26.980Z","dateModified":"2026-01-25T20:33:50.403Z","description":"Converting a Java UberJAR into a native macOS application using jpackage solves permission issues with network volumes. The process involves using jpackage to...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/d233b72ca700d3eab5ef32aaab4151b8?_a=AQAEulh","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/d233b72ca700d3eab5ef32aaab4151b8?_a=AQAEulh","isAccessibleForFree":true,"articleSection":"A Java geek","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"A Java geek","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/b7f3fdbf443347ea84705578a195085b","url":"https://daily.dev/sources/frankel"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/from-a-jar-to-a-full-fledged-macos-app-vpj7xpxk5","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":1},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"java,kotlin,mac,maven","timeRequired":"PT4M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"A Java geek","item":"https://daily.dev/sources/frankel"},{"@type":"ListItem","position":3,"name":"From a JAR to a full-fledged MacOS app"}]} ```