PWA Education
February 23, 2026
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What is manifest.json? PWA Manifest File Explained Simply
Understand what manifest.json does in your PWA. Plain-English explanation for developers building Progressive Web Apps.
By Imagcon Team
Quick Answer:
Quick Answer: manifest.json is the app configuration file for a Progressive Web App. It tells browsers the app name, icons, theme colors, display mode, start URL, and install behavior.
Quick Answer: manifest.json is the app configuration file for a Progressive Web App. It tells browsers the app name, icons, theme colors, display mode, start URL, and install behavior. This guide explains each important manifest field in plain English and shows how app icons, maskable icons, splash screens, and standalone display mode fit together.