Free tools for URL-to-app builders
Free in-browser tools for preparing a link before it becomes an app.
ToolsStart URL inspectorPaste the URL you want to turn into an app. Checks https, redirects-prone hosts, tracking parameters, ports and IPs, and suggests a clean start URL and package name.ToolsURL to package nameTurn a website URL into a valid Android package name (application ID) using reverse-domain naming. Validates Java keywords, digits, hyphens and length.ToolsLink scope testerPaste your start URL and a list of links from your site. See which open inside the app, in the browser or in another app (tel:, mailto:, WhatsApp, intent://).ToolsApp Links builderGenerate assetlinks.json and the matching intent-filter for your URL app from domain, package name and SHA-256 fingerprints, plus adb verify commands.ToolsApp mode snippetGenerate JS and CSS that detect when your site runs inside your Android URL app, add an in-app class and hide web-only elements like app banners.ToolsApp UTM link builderClean old tracking tags out of your app's start URL and add consistent UTM parameters, so Google Analytics separates URL app sessions from website visits.ToolsLauncher label previewPreview how your app name appears under the icon on Android home screens and check Google Play's 30-character title limit. Pick a short name that won't be cut off.ToolsStatus bar colour testerPreview your app's theme colour on the Android status bar with light and dark icons, check contrast and get the right setting for your URL to App build.