diff --git a/bin/cmds/device/info.js b/bin/cmds/device/info.js
index 2aaa6fd2..b19c7d42 100644
--- a/bin/cmds/device/info.js
+++ b/bin/cmds/device/info.js
@@ -39,7 +39,8 @@ exports.describe = COMMAND_SHORT_DESCR;
 exports.builder = function (yargs) {
     const options = Options.getOptions({
         [Options.DEVICE_IDENTIFIER] : true,
-        [Options.DEBUG] : false
+        [Options.DEBUG] : false,
+        [Options.OUTPUT] : ""
     });
     return yargs
         .usage(Options.getUsage(COMMAND_SECTION, COMMAND, COMMAND_DESCRIPTION, Options.getCommandOptions(options)))
diff --git a/bin/cmds/device/list.js b/bin/cmds/device/list.js
index f4f66bbc..19ea6acb 100644
--- a/bin/cmds/device/list.js
+++ b/bin/cmds/device/list.js
@@ -62,7 +62,8 @@ exports.builder = function (yargs) {
         [Options.ASSIGNED] : false,
         [Options.ONLINE] : false,
         [Options.OFFLINE] : false,
-        [Options.DEBUG] : false
+        [Options.DEBUG] : false,
+        [Options.OUTPUT] : ""
     });
     return yargs
         .usage(Options.getUsage(COMMAND_SECTION, COMMAND, COMMAND_DESCRIPTION, Options.getCommandOptions(options)))
diff --git a/bin/cmds/dg/info.js b/bin/cmds/dg/info.js
index ddcaff1d..716e4f75 100644
--- a/bin/cmds/dg/info.js
+++ b/bin/cmds/dg/info.js
@@ -43,7 +43,8 @@ exports.builder = function (yargs) {
             demandOption : false,
             describe : 'Displays additional information. Details about every Device assigned to the Device Group, Deployments and other.'
         },
-        [Options.DEBUG] : false
+        [Options.DEBUG] : false,
+        [Options.OUTPUT] : ""
     });
     return yargs
         .usage(Options.getUsage(COMMAND_SECTION, COMMAND, COMMAND_DESCRIPTION, Options.getCommandOptions(options)))
diff --git a/bin/cmds/dg/list.js b/bin/cmds/dg/list.js
index e2e18920..24696ef0 100644
--- a/bin/cmds/dg/list.js
+++ b/bin/cmds/dg/list.js
@@ -50,7 +50,8 @@ exports.builder = function (yargs) {
             demandOption : false,
             describe : 'Lists Device Groups of the specified type only.',
         },
-        [Options.DEBUG] : false
+        [Options.DEBUG] : false,
+        [Options.OUTPUT] : ""
     });
     return yargs
         .usage(Options.getUsage(COMMAND_SECTION, COMMAND, COMMAND_DESCRIPTION, Options.getCommandOptions(options)))
diff --git a/bin/cmds/log/stream.js b/bin/cmds/log/stream.js
index 25aebc26..2bbd1638 100644
--- a/bin/cmds/log/stream.js
+++ b/bin/cmds/log/stream.js
@@ -55,7 +55,8 @@ exports.builder = function (yargs) {
                 ' Project File in the current directory, all Devices assigned to the Device Group referenced by the Project File are assumed.',
                 Options.DEVICE_IDENTIFIER, Options.DEVICE_GROUP_IDENTIFIER, Options.DEVICE_IDENTIFIER, Options.DEVICE_GROUP_IDENTIFIER)
         },
-        [Options.DEBUG] : false
+        [Options.DEBUG] : false,
+        [Options.OUTPUT] : ""
     });
 
     return yargs
diff --git a/bin/cmds/loginkey/list.js b/bin/cmds/loginkey/list.js
index f4cb23b9..f862d411 100644
--- a/bin/cmds/loginkey/list.js
+++ b/bin/cmds/loginkey/list.js
@@ -38,7 +38,8 @@ exports.describe = COMMAND_SHORT_DESCR;
 
 exports.builder = function (yargs) {
     const options = Options.getOptions({
-        [Options.DEBUG] : false
+        [Options.DEBUG] : false,
+        [Options.OUTPUT] : ""
     });
     return yargs
         .usage(Options.getUsage(COMMAND_SECTION, COMMAND, COMMAND_DESCRIPTION, Options.getCommandOptions(options)))
diff --git a/lib/Device.js b/lib/Device.js
index 6dd116d0..e8bc429d 100644
--- a/lib/Device.js
+++ b/lib/Device.js
@@ -178,6 +178,9 @@ class Device extends Entity {
                 filters.push(new ListHelper.ArtificialFilter((entity) => Promise.resolve(!entity.attributes.device_online)));
             }
         }
+        if (options._options.output == "JSON"){
+            UserInteractor.PRINT_FORMAT = UserInteractor.PRINT_FORMAT_JSON
+        }
 
         return super._listEntities(filters);
     }
diff --git a/lib/DeviceGroup.js b/lib/DeviceGroup.js
index 2316571f..68247203 100644
--- a/lib/DeviceGroup.js
+++ b/lib/DeviceGroup.js
@@ -330,7 +330,10 @@ class DeviceGroup extends Entity {
         if (options.deviceGroupType) {
             filters.push(new ListHelper.DeviceGroupTypeFilter(DeviceGroups.FILTER_TYPE, options.deviceGroupType));
         }
-        return super._listEntities(filters);
+        if (options._options.output == "JSON"){
+            UserInteractor.PRINT_FORMAT = UserInteractor.PRINT_FORMAT_JSON
+        }
+        return super._listEntities(filters, options);
     }
 
     // Reboots all of the Devices associated with the Device Group.
@@ -607,6 +610,9 @@ class DeviceGroup extends Entity {
             return this._projectConfig.checkConfig().then(() =>
                 this._identifier.initByIdFromConfig(this._projectConfig.deviceGroupId, this._projectConfig.type));
         }
+        else if(options.output){
+            UserInteractor.PRINT_FORMAT = UserInteractor.PRINT_FORMAT_JSON
+        }
         return Promise.resolve();
     }
 }
diff --git a/lib/Log.js b/lib/Log.js
index 648a2fe7..303ff41e 100644
--- a/lib/Log.js
+++ b/lib/Log.js
@@ -43,6 +43,9 @@ class Log {
         if (options.debug) {
             this._helper.debug = true;
         }
+        if (options != {} && options._options.output == "JSON"){
+            UserInteractor.PRINT_FORMAT = UserInteractor.PRINT_FORMAT_JSON
+        }
         this._projectConfig = ProjectConfig.getEntity();
         this._devices = [];
         this._deviceIds = [];
diff --git a/lib/LoginKey.js b/lib/LoginKey.js
index 39da2eb5..55fe3819 100644
--- a/lib/LoginKey.js
+++ b/lib/LoginKey.js
@@ -28,6 +28,8 @@ const Util = require('util');
 const ImpCentralApiHelper = require('./util/ImpCentralApiHelper');
 const Identifier = require('./util/Identifier');
 const Entity = require('./util/Entity');
+const UserInteractor = require('./util/UserInteractor');
+
 
 // This class represents Login Key impCentral API entity.
 // Provides methods used by impt Login Key Manipulation Commands.
@@ -84,6 +86,9 @@ class LoginKey extends Entity {
     // Returns:                 Promise that resolves when the Login Key list is successfully
     //                          obtained, or rejects with an error
     _list(options) {
+        if (options._options.output == "JSON"){
+            UserInteractor.PRINT_FORMAT = UserInteractor.PRINT_FORMAT_JSON
+        }
         return super._listEntities();
     }
 
diff --git a/lib/util/Entity.js b/lib/util/Entity.js
index 693a0a42..d45cda08 100644
--- a/lib/util/Entity.js
+++ b/lib/util/Entity.js
@@ -182,6 +182,9 @@ class Entity {
     //
     // Returns:                 Nothing
     info(options) {
+        if (options._options.output == "JSON"){
+            UserInteractor.PRINT_FORMAT = UserInteractor.PRINT_FORMAT_JSON
+        }
         this.getEntity(true).
             then(() => this._displayInfo(options)).
             then(() => UserInteractor.printSuccessStatus()).
diff --git a/lib/util/Options.js b/lib/util/Options.js
index ae295d0c..9f8d3487 100644
--- a/lib/util/Options.js
+++ b/lib/util/Options.js
@@ -616,6 +616,15 @@ class Options {
                 default: undefined,
                 _usage: ''
             },
+            [Options.OUTPUT] : {
+                describe: 'Output in pure JSON string, Contacting Imp Central spinner disabled, and extraneous messages removed.',
+                alias: 's',
+                nargs: 1,
+                type : 'string',
+                noValue: true,
+                default: undefined,
+                _usage: ''
+            },
             [Options.PRODUCT_IDENTIFIER] : {
                 describe: 'Product Identifier: Product Id or Product name.' +
                     ' If not specified, the Product referenced by Project File in the current directory is assumed' +
@@ -1246,6 +1255,14 @@ class Options {
         return this._options[Options.PRE_FACTORY];
     }
 
+    static get OUTPUT() {
+        return 'output';
+    }
+
+    get output() {
+        return this._options[Options.OUTPUT];
+    }
+
     static get PRODUCT() {
         return 'product';
     }
diff --git a/lib/util/UserInteractor.js b/lib/util/UserInteractor.js
index 127f9bd5..9910c18f 100644
--- a/lib/util/UserInteractor.js
+++ b/lib/util/UserInteractor.js
@@ -159,8 +159,32 @@ const ERRORS = {
     UNEXPECTED_STATE : 'Unexpected state'
 };
 
+const PRINT_FORMAT_PRETTY = 'PRINT_FORMAT_PRETTY';
+const PRINT_FORMAT_JSON = 'PRINT_FORMAT_JSON';
+
+let _PRINT_FORMAT = PRINT_FORMAT_PRETTY
+
 // Helper class for interactions with a user.
 class UserInteractor {
+    static get PRINT_FORMAT() {
+        return _PRINT_FORMAT
+    }
+
+    static set PRINT_FORMAT(printFormat) {
+        if(printFormat != PRINT_FORMAT_PRETTY && printFormat != PRINT_FORMAT_JSON){
+            throw(`ERROR in set UserInteractor.PRINT_FORMAT.  printFormat=${printFormat} and is not one of [UserInteractor.PRINT_FORMAT_PRETTY, UserInteractor.PRINT_FORMAT_JSON]`)
+        }
+        _PRINT_FORMAT = printFormat
+    }
+
+    static get PRINT_FORMAT_PRETTY() {
+        return PRINT_FORMAT_PRETTY;
+    }
+
+    static get PRINT_FORMAT_JSON() {
+        return PRINT_FORMAT_JSON;
+    }
+
     static get MESSAGES() {
         return MESSAGES;
     }
@@ -190,7 +214,9 @@ class UserInteractor {
 
     static printMessage(message, ...args) {
         UserInteractor.spinnerStop();
-        console.log(message, ...args);
+        if(UserInteractor.PRINT_FORMAT == PRINT_FORMAT_PRETTY){
+            console.log(message, ...args);
+        }
     }
 
     static printMessageWithStatus(message, ...args) {
@@ -240,8 +266,13 @@ class UserInteractor {
         if (!data || Array.isArray(data) && data.length === 0 || Object.keys(data).length === 0) {
             return;
         }
-        const jsonFormatter = new JsonFormatter();
-        console.log(jsonFormatter.render(data));
+        if(UserInteractor.PRINT_FORMAT == PRINT_FORMAT_PRETTY){
+            const jsonFormatter = new JsonFormatter();
+            console.log(jsonFormatter.render(data));
+        }
+        else { //if(UserInteractor.PRINT_FORMAT == PRINT_FORMAT_JSON){
+            console.log(JSON.stringify(data,null,'\t'))
+        }
     }
 
     static processError(error) {
@@ -481,9 +512,11 @@ class UserInteractor {
         UserInteractor._enableSpinner = value;
     }
 
-    static spinnerStart() {
+        static spinnerStart() {
         if (UserInteractor._enableSpinner && !UserInteractor.spinner.isSpinning()) {
-            UserInteractor.spinner.start();
+            if(UserInteractor.PRINT_FORMAT == PRINT_FORMAT_PRETTY){
+                UserInteractor.spinner.start();
+            }
         }
     }