Click the "Select File" button above, and choose your WEBMANIFEST file.
You’ll see a preview, if available.
Click the "Convert file to..." button to extract text information.
Convert WEBMANIFEST to another file type
To convert WEBMANIFEST Manifests to another format, you need Google Chrome or other Web software.
Convert a file to WEBMANIFEST
To convert other file formats to the "PWA Configuration File" file type, you need software like Google Chrome or a similar tool.
About WEBMANIFEST files
A .webmanifest file is a strictly formatted JSON text file that dictates how a Progressive Web App (PWA) behaves when installed on a user's device. Defined by the W3C, it controls critical "native-like" features, such as the app's name on the home screen, the splash screen background color, and which icons are displayed. While it is technically plain text, the file causes significant friction for developers and stakeholders: strict syntax requirements mean a single missing comma can prevent an app from being installable, and aggressive browser caching makes updates difficult to verify. Furthermore, because the extension is not natively recognized by Windows or macOS, double-clicking often leads to an "Unknown File Type" error rather than opening a text editor. To streamline editing and validation, users should convert it to standard JSON to trigger syntax highlighting in tools like VS Code. For sharing configuration specifications with non-technical clients or archiving project metadata, converting to PDF or TXT is the most reliable workflow.
Convert.Guru analyzes your WEBMANIFEST file, detects the exact format, and lets you read the text inside.
Users also converted MANIFEST, HTML, PW_600, CFF2 and HT_ files.
FAQ
If you want to convert WEBMANIFEST file to HTML, HTM, CSS, JS, PHP, ASP, ASPX, JSP, JSPX, PY, RB or PL, you can use Google Chrome or similar software from the "PWA Metadata Configuration" category. In the File menu, look for Save As… or Export….
To convert RSS, CSS, CGI, SITEMAP, PL, JSON, JS, XML, HTML, ICO, HTM or RB files to WEBMANIFEST, try Google Chrome or another comparable tool in the "PWA Metadata Configuration" category.
The WEBMANIFEST Converter Story
The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our WEBMANIFEST converter.