Accessible PDFs

Objects in Affinity documents can be tagged with alt (meaning alternative) text so that assistive technology, such as screen readers, can describe them to the publication's reader.

Objects are tagged using the Tags panel.

On the panel, you can provide your own alt text or, for placed images that contain XMP metadata, you can tell Affinity to use the value stored in the title, description or heading field.

Objects that are not part of your main content can be marked as decorative so that they do not present a description to screen readers. When such an object is selected, the panel displays a reminder of this.

To add alt text to an object:

Select the object.
On the Tags panel, do one of the following:
- To provide your own alt text, select Custom, type your alt text in the box below.
- To use metadata from the placed image as alt text, select the field to use: XMP:Title, XMP:Description or XMP:Headline.

When exporting to a PDF file, select Tagged PDF to include alt text in the file.

To set an object as decorative:

Select the object.
On the Tags panel, select Mark as Decoration.

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