Fiddler doesn't decompress gzip responses

gzip fiddler compression
Xaqron picture Xaqron · Jun 8, 2011 · Viewed 18.2k times · Source

I use Fiddler to debug my application. Whenever the response is compressed by server, instead of decompressed response, Fiddler shows unreadable binary data:

/* Response to my request (POST) */
HTTP/1.1 200 OK
Server: xyz.com
Date: Tue, 07 Jun 2011 22:22:21 GMT
Content-Type: text/html; charset=utf-8
Transfer-Encoding: chunked
Connection: keep-alive
X-Powered-By: PHP/5.3.3
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma: no-cache
Content-Encoding: gzip

14
����������������
0

How can I get the response decompressed?

Answer

Priednis picture Priednis · Jul 1, 2011

I use fiddler version 2.3.4.4 and just noticed that in the Inspectors tab ("Raw" sub-tab), above the response section (in case of gzip-ed response), appears "Response is encoded and may need to be decoded before inspection. Click here to transform." If you click on that, the response becomes readable. The settings are pretty much the default, I just installed Fiddler and did not change anything.

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