This method will let you post a photo to Instagram, but you won’t be able to use any of the editing tools.

If you don’t see this menu icon, click on View at the top of your screen, then Developer and then click on Developer Tools. Then, skip ahead to step 5.

If this icon is blue, the mobile view is already enabled.

If you’re not signed in, click Log In, and then follow the on-screen instructions to sign in.

Depending on your computer’s security settings, you may not see the “Filters” tab. You can try disabling any privacy and/or ad-blocking extensions to see if that makes a difference.

If you’d like to tag a location or another Instagram user, click one of those options on the screen.

When you’re ready to return to the normal browser view, click X at the top-right corner of the developer tools panel.

Click the Safari menu at the top of the screen. Click Preferences. . . . Click Advanced. Check the “Show Develop menu in menu bar” box. Close the Preferences window.

If you’d like to tag a location or another Instagram user, click one of those options on the screen.

To switch back to the regular view in Safari, click the Develop menu, select User Agent, and then select Default.

You can also click ☰ in the upper-right side of Firefox and then click New Private Window to do this.

You can also just press Ctrl+⇧ Shift+M (Windows) or ⌘ Command+⌥ Option+M (Mac) to do this. If this keyboard combination doesn’t work, try clicking the Web Console box first.

If you see a message at the top of the page that says your changes won’t be saved until you reload, right-click a blank area of the page to open the context menu, then click the refresh button (a circular arrow).

You may need to scroll down to see the + icon at the bottom of the window. If so, make sure that you scroll down while the mouse cursor isn’t on the iPhone “screen” in the middle of the page.

If you don’t see this option, your privacy settings may be preventing the tool from running. Try disabling any browser add-ons and trying again.

If you’d like to tag a location or another Instagram user, click one of those options on the screen.

To return to the normal browser view, click the X at the top-right corner of the Web Console.