Free utilities for HTML apps
Check a ZIP before you build, find what breaks offline, fix paths, and generate the snippets that make a web page behave like an Android app. Everything runs in your browser — nothing is uploaded.
Before you build
ZIP Structure Checker
See which page will open, which links break and whether the ZIP fits the size limit.
CDN Dependency Scanner
List every external script, font and stylesheet that will break offline.
Absolute Path Fixer
Rewrite /css/... and localhost links as relative paths that work in an APK.
APK Size Estimator
Estimate the final APK size and see whether it fits the plan limits.
Make it feel native
Viewport Meta Builder
The right viewport, theme-color and color-scheme tags for an app.
App-Like CSS Generator
The CSS that stops a page from feeling like a page.
Android Back Button Snippet
Make back close modals and menus before leaving the screen.
Games
Your HTML is one upload away from an app
Install the free builder, drop in your HTML file or ZIP, and download a signed APK in a few minutes. No watermark, no card, no Android Studio.