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Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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Archive for the ‘Fiddler’ Category

A choco install list

Posted by jpluimers on 2021/02/03

Sometimes I forget the choco install mnemonics for various tools, so here is a small list below.

Of course you have to start with an administrative command prompt, and have a basic Chocolatey Installation in place.

If you want to clean cruft:

choco install --yes choco-cleaner

Basic install:

choco install --yes 7zip
choco install --yes everything
choco install --yes notepadplusplus
choco install --yes beyondcompare
choco install --yes git.install --params "/GitAndUnixToolsOnPath /NoGitLfs /SChannel /NoAutoCrlf /WindowsTerminal"
choco install --yes hg
choco install --yes sourcetree
choco install --yes sysinternals

For VMs (pic one):

choco install --yes vmware-tools
choco install --yes virtio-drivers

For browsing (not sure yet about Chrome as that one has a non-admin installer as well):

choco install --yes firefox

For file transfer (though be aware that some versions of Filezilla contained adware):

choco install --yes filezilla
choco install --yes winscp

For coding:

choco install --yes vscode
choco install --yes atom

For SQL server:

choco install --yes sql-server-management-studio

For web development / power user:

choco install --yes fiddler

For SOAP and REST:

choco install --yes soapui

If you don’t like manually downloading SequoiaView at (

choco install --yes windirstat

For drawing, image manipulation ( last, as it needs a UI action):

choco install --yes gimp
choco install --yes imagemagick
choco install --yes

For ISO image mounting in pre Windows 10:

choco install --yes wincdemu

For hard disk management:

choco install --yes hdtune
choco install --yes seatools
choco install --yes speedfan

For Fujitsu ScanSnap scanners (not sure yet this includes PDF support):

choco install --yes scansnapmanager


Posted in 7zip, atom editor, Beyond Compare, Chocolatey, Compression, Database Development, Development, DVCS - Distributed Version Control, Everything by VoidTools, Fiddler, Firefox, Fujitsu ScanSnap, git, Hardware, Mercurial/Hg, Power User, Scanners, SOAP/WebServices, Software Development, Source Code Management, SQL Server, SSMS SQL Server Management Studio, SysInternals, Text Editors, Versioning, Virtualization, VMware, VMware ESXi, vscode Visual Studio Code, Web Browsers, Web Development, Windows | Leave a Comment »

kdzwinel/betwixt: Web Debugging Proxy based on Chrome DevTools Network panel.

Posted by jpluimers on 2018/03/14

This is a great complimentary tool to Http Fiddler on Windows and Mac OS X, and the only tool on Linux (that is not covered by Http Fiddler): kdzwinel/betwixt: Web Debugging Proxy based on Chrome DevTools Network panel.


Posted in Development, Fiddler, Software Development, Web Development | Leave a Comment »

Reminder to self – Fiddler for OS X Beta

Posted by jpluimers on 2018/01/11

Reminder to self: [WayBackFiddler for OS X Beta as it’s been on my list since about a year ago: Fiddler for OS X Beta « The Wiert Corner – irregular stream of stuff.

Note that reading the cerficicates can be done in a more simple way for the Current version of Mono:

/Library/Frameworks/Mono.framework/Versions/Current/bin/mozroots --import --sync

I forgot in which version the Mono installer has Current linked to the most recently installed Mono version but it works well.

Executing should then be somethig like this:

/Library/Frameworks/Mono.framework/Versions/Current/bin/mono ~/bin/fiddler-mac/Fiddler.exe

I expect quite some bit of trouble decrypting HTTPS [] as that was troublesome on Windows in the early Fiddler days as well.

In case of trouble, there is always Fiddler IdeasCustomer Feedback for Fiddler by Telerik . Add a new product idea or vote on an existing idea using the Fiddler by Telerik customer feedback form via [WayBackTsviatko Yovtchev: “@jpluimers @ericlaw is our feature suggestion/issue tracker portal. Fiddler itself notifies on new versions.”

Back to the reminder: [WayBack] Fiddler for OS X Beta.

Direct download

Downloading Fiddler for OS X Beta…

If your download does not start, please [WayBackclick here to retry

Getting started

  1. If you don’t have the Mono framework installed on your Mac

    Please download it from [WayBack and install it. If you already have it installed, ensure you’re running the latest version.

  2. If you just installed Mono

    Please open Terminal and type in:

    /Library/Frameworks/Mono.framework/Versions/<Mono Version>/bin/mozroots --import --sync

    (The Mono framework has its own trusted root certificates store. Currently (at mono version 4.2.4) this store remains empty after installing Mono on OS X. Fiddler uses the certificates in this store to validate the certificates of the websites visited. So you need to populate this store with a set of commonly trusted root authorities to avoid getting constant certificate warnings from Fiddler. The mozroots tool imports trusted authorities from the Mozilla LXR. )

  3. Extract to a folder you have write access to.

    It is recommended that the full path to Fiddler install folder does not contain any Windows path illegal characters. (At present it is possible that some Fiddler functionality, e.g. various file exports or Fiddler Script won’t handle such paths.)

  4. Open Terminal and navigate to the folder you extracted to in step 3.

  5. Type mono Fiddler.exe in Terminal.

To further understand the benefits and limitations of Fiddler for OS X please visit [WayBackthis blog post.


Posted in Development, Fiddler, Software Development, Web Development | Leave a Comment »

Fiddler2 direct download

Posted by jpluimers on 2017/06/06

For automated installs that cannot have UI interaction:

The install is “per user” as it is a user-local application; it installs in %LocalAppData%\Programs\Fiddler\Fiddler.exe.


Note that Fiddler acts as a HTTP proxy. When Fiddler starts, it hooks itself into the default WinINET proxy (which is used by any tool using the WinINET API, including Edge, Internet Explorer, Chrome, but not FireFox).

If you kill your Windows machine before stopping Fiddler, it cannot restore the WinINET proxy, so you have to do that by hand (otherwise you cannot browse web pages any more).

Manual restore:

  1. Run "C:\Windows\System32\rundll32.exe" shell32.dll,Control_RunDLL inetcpl.cpl,,4
  2. Press “LAN settings” (Dutch: “LAN-Instellingen”)
  3. Uncheck the proxy server checkbox “Use a proxy server for your LAN” (Dutch “Een proxy-server voor uw LAN gebruiken”)
  4. Confirm
  5. Close the control panel wizard


Read the rest of this entry »

Posted in Development, Fiddler, Software Development, Web Development | Leave a Comment »

Fiddler for OS X Beta

Posted by jpluimers on 2016/11/03


Posted in Development, Fiddler, Software Development, Web Development | Leave a Comment »

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