How to open Chrome Developer Tools in a Chrome App - google-chrome

Is it possible to open Chrome Developer Tools to inspect a Chrome App ?

All debuggable targets are listed under chrome://inspect/. See the 'Apps' tab.

I managed to do it by following instructions to debug postman chrome app:
Go to chrome://flags/
Search for Debugging for packed apps
Enable this flag
Restart chrome
Then go to your app, right-click anywhere inside of it, and click on the option menu inspect.

To open it by context menu, enable at chrome://flags/#debug-packed-apps
If the app blocks the context menu, find it at chrome://extensions (developer mode) or the Apps and Extensions Developer Tool.

Related

Chrome OS Developer Tools Disabled

On my school chromebook developer tools just got disabled or something.
When i right click to inspect an element, the "inspect" button is grayed out and if i click the options button in the top right, go down to more tools the developer tools button is grayed out there too.
Does anyone have any idea what is happening and why it is happening?
(Developer mode is enabled on my chromebook)
On a Chromebook, Chrome Developer Tools is enabled/disabled through Chrome Policies, which is maintained by the Chrome Management Console as part of a Google Work account. In this case, the policy is DeveloperToolsDisabled.
In Windows, it is possible to enable/disable it in the registry, and there is possibly a Preferences file in OSX.
I'm afraid you would need to speak to your school's IT department about this, as they are the only ones with access to these policies.

Chrome dev tools settings: where is the Experiments tab to Allow custom UI themes?

I am using chrome version 36+
according to this page, I should be able to allow custom themes using the following instructions:
Installation Instructions
Add this theme
Goto chrome://flags and Enable Developer Tools experiments.
Open developer tools settings, select Experiments tab, and check 'Allow custom UI themes'.
Reload devtools.
I do not see such a tab in the dev tools settings. I see only 'general', 'workspace', and 'shortcuts'
These are some simple steps to follow, hope it will be helpful.
Open a new chrome tab, type chrome://flags
Find, "Enable Developer Tools experiments." using ctrl/cmd+f or simply searching for it by scrolling down the page.
Click the "enable" link
Click on "Relaunch Now" at the bottom of the page.
After restarting Chrome, open DevTools, DevTools settings, and select the experiments tab.
Now select the experiment you want (e.g. "Allow custom UI themes").
You need to reload devtools after: Alt-R will reload devtools itself, or you can just close and reopen it.
To get to the Dev Tools Experiments area you have to click on the gear icon in the inspector.
If still not working you should go to:
chrome://extensions/
And click the 'Enable' checkbox for the DevTools extension you wish to enable.
Had the same issue,
I found I was going to browser settings which is NOT where you should be going to ,
You need to go to developer setting .
i.e right click>inspect element> dev tools
You need to restart the browser after changing the flag at chrome://flags
I found it. There is a checkbox under experiments tab:
Allow custom UI themes
Restart chrome just not means to close the chrome and then open it. you should click the 'Relaunch Now' button of the flags tab. and then it's work for me.
loislo's answer is absolutely right (You need to restart the browser after changing the flag at chrome://flags). But notice that your chrome can work in the background. Go to the tray, look for the chrome icon and exit.
Navigate to chrome://flags/
Find and enable Developer Tools experiments Mac, Windows, Linux, Chrome OS
Relaunch Chrome, open develop tool, setting, you will see experiments tab.
My Chrome version: Version 61.0.3163.100
2022 update: There doesn't seem to be any option in chrome://flags but there is an option:
devtools > settings > experiments > Allow extensions to load custom stylesheets

Run standalone web app in Google Chrome without borders or toolbars

I need to run a web-based app inside Chrome but it must appear as if the app is standalone. I dont want any tools or frames to be visible.
Yes I know I can press F11 but this isnt sufficient as I dont want the tools to appear when I move the mouse to the top of the screen.
Do I need to go to the extents of making a Chrome extension and utilizing a possible fullscreen feature?
From the linux man page:
--app=URL
Runs URL in "app mode": with no browser toolbars.
e.g. invoke it with google-chrome --app=http://example.com
Start Chrome with the --kiosk flag. Then, no borders etc. will be shown. Furthermore, pressing F11 will not exit this mode, so it's the most effective way of running a Kiosk-like app.
chromium --kiosk http://example.com/
Replace chromium with the path of your actual Chrome executable (e.g. chrome.exe).
In the new Chrome (v88) it might be required to add --user-data-dir parameter to remove the title bar, so the line would go like this:
chrome.exe --user-data-dir=c:\temp --kiosk http://google.com
If you open Chrome in app mode, like Trever suggests, then borders will still be visible.
If you want a windowed app with no menus on mac, the steps have changed since #PaulR responded.
The new steps are as follows:
navigate to
chrome://flags
Enable the following two options:
"The new bookmark app system"
"Allow hosted apps to be opened in windows"
Restart Chrome to enable the options.
Then navigate to the page you want to turn into an "app".
In the tools menu (three dots) click More Tools > Add to Applications
Finally, navigate to
chrome://apps
and right click on the icon for the newly added Application. Enable the "Open as window" option.
Go ahead and create the shortcut, then open Chrome Apps chrome://apps. The shortcut icon should be in there. Right click on the app icon and check "Open as window." After that, the shortcut will open as a window.
Credit: Janos_
You can create create shortcuts from Chrome itself....
https://support.google.com/chrome/answer/95710?hl=en-GB
^ this link no longer works.
The feature is called "Create application shortcuts". To enable it in newer versions of Chrome, go to:
chrome://flags/
... using the address bar. Then find "The new bookmark app system" and Disable it. Then click Relaunch Now at the bottom of the screen.
Now, in the "More tools" menu there will be the "Create application shortcuts" menu entry.
There may be another way to do this, but this is just clarifying the method that was supposed to be described in the link.
Like many others have said, --app=<url> should do it for Chrome Version: 83.0.4103.61. The --kiosk option opens a chrome tab, not a borderless "app" window. I'm on macOS Catalina and decided to brew cast install chromium and ran:
chromium --app=https://netflix.com
Unfortunately I could not stream Netflix from Chromium..

How do I enable Chrome DevTools Experiments?

I've just installed Google Canary on my Mac. I want to have a play with the Experiments in the google developer tools. But I can't for the life of me find where/how to enable them.
I specifically want to look at using/editing SASS in the browser.
Thanks
dave
Found it
In chrome go to chrome://flags and enable it there.
Go to chrome://flags.
Find Developer Tools Experiments.
Enable it.
Click Relaunch Now to relaunch Chrome.
In the DevTools settings, there's now a new Experiments tab.
Cheers

Automatically open Chrome Dev Tools with target='_blank' link?

When you click a target='_blank' link, it naturally opens a new tab in Google Chrome. For particular sites, I need to use the Chrome Developer Tools to examine the http requests for any new tabs that are opened.
Whenever you have Chrome Dev Tools open on your current page and then click a link that opens a new tab, Chrome Dev Tools are not opened on the new page by default. Opening Chrome Dev Tools at this point is too late because the tools do not capture the http requests for the page.
Also, in many cases, these new tabs go through a series of redirects before reaching the final page, so I cannot simply reload the page after opening Chrome Dev Tools.
The only workaround I can think of is, in the case that the site I'm working on is on a local development server, I can temporarily change the link from target='_blank' to target='_self', but this is unrealistic for a site with thousands of links or for a site that I have no control over the code.
Is it possible to set Chrome Dev Tools to automatically open with every new tab (opened either manually or via target='_blank'?
I'm not sure as of which Chrome version this changed, but if you click on the Settings wheel on dev tools:
You'll see a Global section with a checkmark for "Auto-Open DevTools for popups", which works for opening target="_blank" links with a devtools window:
It's possible to auto open devtools for all the new tabs instead of just target = _blank. When launching google chrome, pass the flag --auto-open-devtools-for-tabs. It enables launching of devtools for all the windows created automatically.
For linux
google-chrome --auto-open-devtools-for-tabs
For Mac
open -a "Google Chrome" --args --auto-open-devtools-for-tabs
You can only open DevTools window via UI action or keyboard shortcut. There is no way to do this automatically.