File Extension Library

.WEBAPP File Extension

  • Developer by: Mozilla
  • Category: Data Files
  • Format: Text

What are .WEBAPP files and how to open them?

Can't open .WEBAPP file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .WEBAPP file.

What is a .WEBAPP file extension?

.WEBAPP file extension is created by Mozilla. .WEBAPP has been classified as Data Files. The format of .WEBAPP file is Text.

.WEBAPP is Firefox Web App Manifest File

Web app manifest file used by Firefox OS apps to identify important details of an app; contains information in JSON format about an app, which includes the name, developer, launch path, description, and icon(s); also contains a list of web APIs that the app requires.

Firefox OS is an open source mobile operating system developed by Mozilla. Firefox OS apps are similar to websites or web apps and are built with standard web technologies such as HTML, JavaScript, and CSS. They can be accessed through a web browser and can also be installed on devices for working offline.

The list of web APIs contained within the WEBAPP file allows you to make decisions about apps before installing them. WEBAPP files are necessary in order to publish an app to the Firefox Marketplace.

NOTE: You can scan your WEBAPP manifest file for correct formatting and appropriate values with the Mozilla Web App Validator.

Common WEBAPP Filenames

manifest.webapp - The naming convention used for web app manifest files used by the Firefox OS app. Placed in the root of the app directory.

List of all softwares that can open the Firefox Web App Manifest File
Mozilla Web App Validator
Mozilla Web App Validator
Mozilla Web App Validator

How to fix problems with .WEBAPP files

  1. You need to update the application that you normally use to open .WEBAPP files. Only the latest version of the software supports the current .WEBAPP file format
  2. You need to check the .WEBAPP file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)