To add alternative text to multiple images, go to the Accessibility tools and select Set Alternate Text. The quality of the tags for a table can vary greatly-Acrobat does best when the table has clear borders between each cell and no background colors. Draw a box around the entire table and select the Table button. Click outside the table to exit the Table Inspector, then select the right-click, and choose Delete Selected Item Structure. If the table structure is very poor, it may be easier to have Acrobat re-tag the table automatically. Whenever possible, simplify your tables to avoid this overhead. Tables with more than one level of row or column headers, or with cells that span multiple rows or columns, may need extensive work to ensure they are presented correctly to screen readers. Select the Header Cell radio button, then select the Scope menu and choose Row or Column (never choose "Both" or "None").Īfter selecting OK, you will notice that the table header cells are highlighted in red and the data cells will be highlighted in gray.
Right click on the selected cell or cells and choose Table Cell Properties.Ī dialog box will appear. Click and drag to select a group of the column or row headers. With the Reading Order tool open, select a table and then select Table Inspector. The Table Inspector allows you to easily identify, create, and repair table headers. If you do not see an option for your desired tag, you will need to create it manually in the Tags pane. This will hide an item completely from a screen reader. Sometimes it does this correctly, but this should still be checked with the table inspector.Ĭan be used to merge cells if they are incorrectly split. If you select the image and adjacent text, then the image will be tagged as a figure and the text will be tagged as its caption.Īcrobat attempts to assign rows, columns, and headings. You will probably need to switch between these two techniques while repairing a PDF.Īfter selecting the area, choose the desired tag from the Reading Order window. This should select the box, but the behavior can be a bit buggy. If there is already a gray box around the element, and you just want to change the tag (e.g., changing a heading level), try clicking on the tag in the in the top-left corner of the box. It is sometimes difficult to select exactly the right area, but it is a little easier if you try drawing a box that is slightly larger than the content.
To add or change a tag, use the crosshairs ( ) to draw a box around content you want inside this tag. You cannot undo changes made with the Reading Order tool.
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