Where is picture manager in office 2013 and later? its not. you have to go get the 2010 edition.
Install Picture Manager
Download SharePoint Designer 2010.
In the ensuing message (at the bottom of your screen) that asks if you want to Run or Save the .exe file, click Run.
Accept the license terms and click Continue.
On the Choose the installation you want page, click Customize.
Expand Office Tools and select Microsoft Office Picture Manager.
Click the drop-down arrow next to Microsoft Office Picture Manager and click Run from my computer.
Click Install Now.