How to find out if a *.jpg is currently rotated?

Questions and postings pertaining to the usage of ImageMagick regardless of the interface. This includes the command-line utilities, as well as the C and C++ APIs. Usage questions are like "How do I use ImageMagick to create drop shadows?".
Post Reply
Posts: 26
Joined: 2012-07-02T00:32:10-07:00
Authentication code: 13

How to find out if a *.jpg is currently rotated?

Post by bensto » 2019-06-25T14:22:58-07:00

Many cameras create a photo file with originally portrait orientation by
capturing it pyhsically in landscape mode and create header tag that it is rotated by 90 (or 270 deg).

When such a *.jpg file is opened in a (most) picture viewer, then the picture viewer reads at first the orientation header tag and displays the photo in correct view.

Now, how can I read with ImageMagick from (DOS batch) script file the orientation value from *.jpg header?

Later I want to implement something like

set orient = convert -showorientation mysample.jpg
if orient=90 (jpegtran -rotate 270 mysample.jpg mysampleout.jpg)

In other words: I want to convert the virtual orientation into a physical one.

What I need is the ImageMagick command to get the orientation angle from Jpg header.

Thank you

User avatar
Posts: 25123
Joined: 2007-07-02T17:14:51-07:00
Authentication code: 1152
Location: Sunnyvale, California, USA

Re: How to find out if a *.jpg is currently rotated?

Post by fmw42 » 2019-06-25T14:44:16-07:00

ImageMagick will auto-orient your image for you when you read it. See -auto-orient at ... uto-orient.

You can get the orientation flag from the head using -format "%[EXIF:orientation]" info:, if it exists in the header. See % escapes at There are tables that correspond the flags with the orientation/rotation. See ... ation.html and or search Google.

Posts: 11796
Joined: 2010-01-23T23:01:33-07:00
Authentication code: 1151
Location: England, UK

Re: How to find out if a *.jpg is currently rotated?

Post by snibgo » 2019-06-25T14:49:55-07:00

What version of IM, on what platform?

See "orientation" on

Code: Select all

magick or_1.jpg -format %[orientation] info:

See also ... uto-orient and Orientation.
snibgo's IM pages:

Post Reply