HAR File Viewer
This feature is currently under construction.
How to Use the Free Online HAR Viewer
Upload your HAR file: Drag and drop your .har file or use the file picker.
Analyze Network Requests: View a detailed waterfall chart of all HTTP requests, including timings, headers, and content.
Filter and Search: Quickly find specific requests to diagnose performance issues or inspect payloads.
Frequently Asked Questions
What is a HAR file?
A HAR (HTTP Archive) file is a JSON-formatted log of a web browser's interaction with a site. It contains detailed information on every network request and response, making it an essential tool for developers to analyze webpage performance and troubleshoot network issues.
How do I generate a HAR file?
You can generate a HAR file using the developer tools in most modern browsers (like Chrome, Firefox, Edge). Typically, you open the 'Network' tab, record the network activity while you load or interact with a webpage, and then right-click to 'Save all as HAR with content'.
Will this online HAR viewer be free?
Yes, when this tool is launched, it will be completely free to use online for all developers and performance analysts.