Proxyman offers the Content Filter Bar to quickly filter out the Requests or Response you're looking for.
Proxyman support various type of requests and responses.
Matched URL (contain and Case insensitive)
All request and response
Content-Type is application/json or json contents
Only Form Body in Request / Response
Only CSS content
Documents content: HTML, ...
Image contents: PNG, JPG, GIF, ...
Only Websocket requests
Other contents which no matching with the above.