diff --git a/indra/newview/app_settings/settings_ascent.xml b/indra/newview/app_settings/settings_ascent.xml
index 09fba4c59..a39f9b855 100644
--- a/indra/newview/app_settings/settings_ascent.xml
+++ b/indra/newview/app_settings/settings_ascent.xml
@@ -818,6 +818,17 @@
 			<key>Value</key>
 			<string>/regionsay</string>
 		</map>
+		<key>SinguCmdLineSetting</key>
+		<map>
+			<key>Comment</key>
+			<string>Set or toggle debug settings from the chatbar.</string>
+			<key>Persist</key>
+			<integer>1</integer>
+			<key>Type</key>
+			<string>String</string>
+			<key>Value</key>
+			<string>/setdebug</string>
+		</map>
 		<key>SinguCmdLineURL</key>
 		<map>
 			<key>Comment</key>
diff --git a/indra/newview/chatbar_as_cmdline.cpp b/indra/newview/chatbar_as_cmdline.cpp
index ee069ecbd..2863cfe92 100644
--- a/indra/newview/chatbar_as_cmdline.cpp
+++ b/indra/newview/chatbar_as_cmdline.cpp
@@ -42,6 +42,7 @@
 #include "llagentui.h"
 #include "llavataractions.h"
 #include "llnotificationsutil.h"
+#include "llsdserialize.h"
 #include "llviewerregion.h"
 #include "llworld.h"
 #include "lleventtimer.h"
@@ -242,11 +243,11 @@ bool cmd_line_chat(std::string data, EChatType type)
 	static LLCachedControl<bool> enableChatCmd(gSavedSettings, "AscentCmdLine", true);
 	if (enableChatCmd)
 	{
-		data = utf8str_tolower(data);
 		std::istringstream input(data);
 		std::string cmd;
 
 		if (!(input >> cmd))	return true;
+		cmd = utf8str_tolower(cmd);
 
 		static LLCachedControl<std::string> sDrawDistanceCommand(gSavedSettings,  "AscentCmdLineDrawDistance");
 		static LLCachedControl<std::string> sHeightCommand(gSavedSettings,  "AscentCmdLineHeight");
@@ -266,6 +267,7 @@ bool cmd_line_chat(std::string data, EChatType type)
 		static LLCachedControl<std::string> sTP2Command(gSavedSettings,  "AscentCmdLineTP2");
 		static LLCachedControl<std::string> sAwayCommand(gSavedSettings,  "SinguCmdLineAway");
 		static LLCachedControl<std::string> sURLCommand(gSavedSettings,  "SinguCmdLineURL");
+		static LLCachedControl<std::string> sSettingCommand(gSavedSettings, "SinguCmdLineSetting");
 
 		if (cmd == utf8str_tolower(sDrawDistanceCommand)) // dd
 		{
@@ -396,7 +398,7 @@ bool cmd_line_chat(std::string data, EChatType type)
 					slurl = LLSLURL(slurl.getRegion(), LLVector3(fmod(agentPos.mdV[VX], (F64)REGION_WIDTH_METERS), fmod(agentPos.mdV[VY], (F64)REGION_WIDTH_METERS), agentPos.mdV[VZ]));
 				}
 
-				LLUrlAction::teleportToLocation(LLWeb::escapeURL(std::string("secondlife:///app/teleport/")+slurl.getLocationString()));
+				LLUrlAction::teleportToLocation(LLWeb::escapeURL("secondlife:///app/teleport/"+slurl.getLocationString()));
 			}
 			return false;
 		}
@@ -539,6 +541,54 @@ bool cmd_line_chat(std::string data, EChatType type)
 			}
 			return false;
 		}
+		else if (cmd == utf8str_tolower(sSettingCommand))
+		{
+			std::string control_name;
+			if (input >> control_name)
+			{
+				// Find out if this control even exists.
+				auto control = gSavedSettings.getControl(control_name);
+				if (!control) gSavedPerAccountSettings.getControl(control_name);
+				if (!control) return false;
+
+				LLSD val;
+				// Toggle if we weren't given a value,
+				if (input.eof()) val = !control->get();
+				else // otherwise use what we were given.
+				{
+					switch (control->type()) // Convert to the right type, we can't be a string forever.
+					{
+					case TYPE_U32: // Integer is Integer, sucks but whatever
+					case TYPE_S32:
+					{
+						LLSD::Integer i;
+						input >> i;
+						val = i;
+						break;
+					}
+					case TYPE_F32:
+					{
+						LLSD::Float f;
+						input >> f;
+						val = f;
+						break;
+					}
+					case TYPE_STRING:
+					{
+						LLSD::String str;
+						std::getline(input, str, '\0'); // Read the entire rest of the stream into str
+						LLStringUtil::trim(str); // There's no setting where a space would be necessary here.
+						val = str;
+						break;
+					}
+					default: // Just parse it like JSON (or accept one of the many boolean value options!
+						LLSDSerialize::fromNotation(val, input, LLSDSerialize::SIZE_UNLIMITED);
+					}
+				}
+				control->set(val);
+			}
+			return false;
+		}
 		else if (cmd == "typingstop")
 		{
 			std::string text;