machinereadable
established manifest.webmanifest

manifest.webmanifest

Exactly the same web app manifest as manifest.json, saved with the dedicated .webmanifest extension.

Why it exists

Some servers and build tools serve .webmanifest with the correct application/manifest+json MIME type automatically, where a plain .json file might not be.

How much should you trust it?

Same W3C standard as manifest.json — this is a file-extension choice, not a different specification.

Where it goes

Site root: example.com/manifest.webmanifest, linked from your HTML with

Build yours

Fill this in and download manifest.webmanifest directly — the same generator lives in the full builder alongside the other 15 files.