For individuals seeking a versatile online file conversion tool, cdkm is a next-generation converter built with numerous open-source projects. It supports a wide range of file formats, including documents, e-books, images, videos, and audio files. cdkm stands out by allowing users to convert files offline or online, with the ability to upload up to 10 files at once, and a maximum file size limit of 40 MB for documents and 200 MB for other formats.
The service is free, practical, and integrates multiple open-source projects, making it a valuable resource for users needing to convert files between different formats.