AI3_alttext takes care of creating so-called alt texts, i.e., descriptions of images for people who are blind or visually impaired (and search engines). The complete labeling of all images is a core requirement of the Barrier-Free Information Technology Ordinance, which, due to the Accessibility Enhancement Act, must now be complied with not only by public authorities and institutions providing public services, but also by larger companies. 

AI3_alttext ensures that meeting this requirement does not become a tedious, ongoing task. Even smaller, more energy-efficient, and therefore more cost-effective AI models can generate 80% complaint-free image descriptions with optimized prompts. The remaining 20% are misjudgments that even humans make or that result from stereotypes, which we can avoid with appropriate configuration options (e.g., ignoring gender, skin color, or age). Our goal is to achieve a level of quality that allows automated publication without visual inspection. AI3_alttext can take into account information from captions, such as those describing people or places depicted in the image, during creation. The use of information from other sources, such as team pages, is also conceivable for this purpose.

Other extensions also offer alt text generation, but AI3_alttext allows this task to be largely automated and can run in the background, so that you can move on to the next task instead of waiting for an image description. 

Version status

0.8 (Current version)

  • Captions are used for interpretation.
  • It is saved whether the automatically generated text has been checked by humans.
  • Unchanged suggestions remain marked as AI-generated in the backend.
  • The interface can be exited after initiating the process; alt text is entered in the background.
  • Applicable for individual image uploads in file management.

0.9 (Release December 2025)

  • Transfer of configuration parameters stored in Zak_ai.
  • Applicable when uploading an image from the content object.
  • Applicable in the context of bulk uploads.

Version 1.0

  • Free configuration of the degree of automation
  • Testing and publication in the TYPO3 Extension Repository (TER) for versions 12 and 13
  • Further feature requests if necessary 

Optimized for Zak_ai

This extension can be operated with any LLM of your choice. However, it works best with Zak_ai, our LLM that is optimized for the AI3 Extension Suite and operates in a particularly sustainable manner. 

Sustainably operated

Powered 100% by green electricity, 98% of days without air conditioning, total server usage approx. 8 years.

Trained sustainably

Highly energy-efficient model, CO2-free training in Sweden and France.

Highest data security

OpenRates models from EU manufacturers, no licensing restrictions under US trade law.