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Header Editor is a Chrome extension used to modify HTTP request and response headers directly in the browser. If you’re switching to Requestly Interceptor, a free, modern, and collaborative alternative, this guide will help you migrate your Header Editor configuration seamlessly. With Requestly Interceptor, you get powerful and user-friendly tools for header modification completely free of charge.
Requestly Interceptor does not support the import of “Modify Response Body” configurations from Header Editor.

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Exporting Configuration from Header Editor

1

Open the Header Editor Extension

Click on the Header Editor icon in your browser’s extensions toolbar and click on manage.
2

Navigate to the “Export and Import” Tab

Once the extension interface opens, go to the Export and Import tab in the sidebar.
3

Export Your Configuration

Click on the Export button. This will download your current Header Editor configuration.

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Importing Configurations into Requestly Interceptor

After exporting your configurations from Header Editor, follow these steps to import them into Requestly Interceptor:
1

Open your Requestly Interceptor Dashboard

If you don’t have any existing rules, you’ll see an Import from Header Editor option directly on the screen. Click it to open the import popup.If you already have rules, click the Import button in the top-right corner, then select Import from Header Editor from the bottom of the popup.
2

Upload the Exported File

On the import page, drag and drop your exported config .txt , or click to browse and select it from your system.
3

Review Imported Rules

Once the file is processed successfully, your Header Editor configurations will be automatically converted into Requestly Interceptor rules. Review and confirm them in your dashboard.