How to use Web manifest
- 1. Fill name and colors. Theme and background.
- 2. Set start_url and display. standalone is the usual installable mode.
- 3. Copy manifest.json. Link it from index.html.
- 4. Icons. Paths are stubs — add real 192/512 PNGs.
About this tool
A PWA starts with a manifest. This builder writes the JSON Chromium expects for name, display, colors, and icon slots so you can commit the file before the real artwork exists.
Icons
/icon-192.png and /icon-512.png are placeholders. Generate art with Placeholder image or Identicon.
maskable
The 512 entry includes purpose any maskable. Provide a real maskable asset.
Code examples
display
{ "display": "standalone" }