Knowledgebase: Accessibility
Adding ALT Text in Moodle (Faculty/Staff)
Posted by Erin Voss on 23 April 2013 08:50 AM

Alternative text ("alt-text") is descriptive text added to an image.  This text is read by special screen-reading software that describes the page to individuals who may have vision difficulties.

It is important to include alt-text (even if it is blank) for all images in order for your moodle site to be accessible.  See the Accessibility at Augsburg web page for information on writing good alternative text.

To add alt-text to images in moodle:

  1. Enter your Moodle site and turn editing on.
  2. Click on the "Edit settings" in the dropdown "Edit" menu to the right of the Moodle Activity or Resource that contains your image.
  3. Click once on your image to select it.  Square "grab handles" will appear around the border of the image to show that it is selected.
  4. Click on the "edit image" button in the toolbar at the top of the editor (boxed in the screenshot below).

    Screenshot of selected image with edit image button circled

  5. Type your alternative text in the "Image Description" field.

    Screenshot of insert/edit image window with Image Description field highlighted

  6. Click the "Update" button to save your changes to the image, then save your changes in the general editor.


(keywords: accessibility alt text)
(Faculty) For additional help with Moodle, visit the Faculty Moodle Resources site at
Last Modified: 2013/04/23

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