Next-level accessibility: The A‑Trust signature stamp for PDF signatures now includes ALT text

For years, A-Trust has been dedicated to making digital signatures effortless and accessible for everyone. With our latest update, we're raising the bar once again: the optional signature stamp displayed with your PDF signature now has descriptive ALT text ensuring an even more accessible signing experience for all.

The signature stamp displays essential signature details, such as names, timestamps, and certificate information, serving as a clear visual marker of a qualified electronic signature (QES). Now, this visual element is also fully accessible, including screen reader users, marking a significant step toward truly inclusive digital document standards.

This feature is already integrated into PDF Sign and the A-Trust account. For all customers who use Signatur-Box or Hash2Sign, it will be automatically installed free of charge with the next update.

Side note: what does 'signature stamp' mean?

The visible signature stamp carries no legal function: it's purely a visual cue for users. Designed to evoke the look and feel of a handwritten signature, it instantly signals that the document has been electronically signed, even though the signature is valid without it.

However, the signature stamp itself does not verify a signature's validity. Legally compliant verification of a PDF document is performed exclusively with dedicated verification tools, such as A-Trust PDF Verification (fully compatible with screen readers), the RTR signature verification service, or the built-in verification function in Adobe Acrobat Reader.