Custom Previewer Tab

1. What's it?

You can customize the Custom Previewer Tabs, which always render one format at once time.

This handy tool might help you to fix the following issues:

• Format the BODY as JSON, but the Content-Type isn't application/json

• Format the body as Protobuf, but the Content-Type isn't application/x-protobuf

• Render HTML Page on the Web View

• Beautify the minified files (HTML, CSS, JS)

• Multipart/form-data

• Try to format the body as the selected type regardless of the Content-Type

• Convert MessagePack (msgpack) to JSON

• Code Generator to Swift, Node, Javascript, cURL, ...

• GraphQL Query Prettier

2. How to use it?

You can either access the Custom Previewer Window:

1. Click on the "+" button on the Request/Response bar or (from the Tools Menu -> Custom Previewer Tab...)

2. Click the checkbox to show/hide your custom Tab

3. The New Tab will appear on the Request or Response Panel ✅

2.1 Server-Sent Events and OpenAI Tabs

From Proxyman 5.22.0 or later, Proxyman supports

• Server-Sent Events from OpenAI endpoints: Auto prettify the inline JSON of the data event

• OpenAI Tab: Auto accumulate the content and show the final result, similar to the output of your chat view.

3. ⚡️ Advance: Create a custom Tab with the Scripting Tool

• ✅ Show your own data on your tab

• It is useful if you want to decode your Body or display a partial body to your custom tab

How to use:

1. the Click on the "+" button on the Request/Response bar or (from the Tools Menu -> Custom Previewer Tab...)

2. Select the `Add Custom Tab` button

3. Select the Request / Response panel and set a name for your tab

1. Click on the "..." button to show the Javascript Code

1. Tools -> Scripting -> Add new Rule -> Use this code to display your own data

1. Done

4. Examples

Force render JSON TreeView

Proxyman supports JSON Tree View for better visualization

We can show/hide a certain column by Right-Click on the Column Header

Force render HTML Page

Beautify the Javascript files