Get Latest Version

api(dot)getfiddler(dot)com/linux/latest-linux EDIT: this fork was done with fiddler v3.4.1 in a windows 10 machine

Linux

get ilasm (ildasm)

1. dotnet new console -n test
2. cd test
3. dotnet add package Microsoft.NETCore.ILAsm (ILDAsm)
4. dotnet publish -c Release --self-contained --runtime linux-x64
5. export PATH=$(pwd)/bin/Release/netcoreapp3.1/linux-x64/publish:$PATH
6. ilasm (ildasm)

Windows

You need to have installed .net and visual studio to get ildasm (decompiler) and ilasm (compiler)

ildasm => from dll to il

ilasm => from il to dll

main.xxxx.js

Open fiddler/resources/app/out/WebServer/ClientApp/dist/main.xxx.js and search for updateUserLicense

Add at the beginning of the function: (replace Ie with the parameter name)

Ie.licenseInfo.currentLicense = "Pro"
Ie.licenseInfo.hasExpiredTrial = false
Ie.licenseInfo.isTrialAvailable = false
Ie.licenseInfo.hasValidLicense = true

##Fiddler.WebUi.il

modify this file to remove file verification

Do the same for the two functions TryOpenClientMainScript and TryOpenElectronMainScript

Delete all the code before the following code inside the function

IL_0208: /* 17 | */ ldc.i4.1
IL_0209: /* 2A | */ ret

##FiddlerBackendSDK.il

method FiddlerBackendSDK.User.UserClient::GetBestAccount

Delete the if statement corresponding to IL_000d - IL_0020 Removed IL_003f - IL_0040 for return null; statement

method '<>c__DisplayClass18_0'::'b__0'

Delete IL_0000 - IL_0019 , insert ldc.i4.1 before IL_001e (that is, the function body directly returns true ) from

public AccountDTO GetBestAccount(UserWithBestAccountDTO user)
{
        if (user.BestEverywhereAccountId != null)
        {
                return user.Accounts.FirstOrDefault((UserAccountDTO x) => x.Id == user.BestEverywhereAccountId.Value);
        }

        return null;
}

to

public AccountDTO GetBestAccount(UserWithBestAccountDTO user)
{
        return user.Accounts.FirstOrDefault((UserAccountDTO x) => true);

}

disable updates

Modify fiddler/resources/app/out/main.js, search for e.settingsService.get().autoUpdateSettings.disabled and replace it with true||e.settingsService.get().autoUpdateSettings.disabled