A significant issue in many data-intensive sectors is the careful and secure long-term archiving of documents. One solution to this challenge is the conversion of documents into the PDFA format, which guarantees long-term viewability. However, there is often the requirement to convert multiple PDFs at the same time, with many of the existing tools not efficiently supporting this bulk conversion process. Moreover, such processes require a high degree of user-friendliness and data security to meet the needs of the users. Therefore, there is a need for an online tool that allows for a simple, secure, and efficient conversion of multiple PDFs into the PDFA format.

The PDF to PDFA converter tool offers an efficient solution for the challenge of mass document conversion for long-term archiving. It allows the uploading and subsequent conversion of multiple PDF documents at the same time into the reliable PDFA format. User-friendliness is guaranteed at all times, as no special knowledge is required to use this tool. Thanks to online accessibility and intuitive user interface, conversion can take place at any time and anywhere. In addition, the tool guarantees a high degree of data security. After the conversion process is completed, all uploaded files are automatically deleted from the server to protect the privacy of the users. Thus, the PDF to PDFA converter tool provides a simple, safe, and efficient method for long-term document archiving.