VikParuchuri/marker: Convert PDF to markdown quickly with high accuracy

Marker is a tool that converts PDF, EPUB, and MOBI files to markdown with high accuracy and speed. It is 10x faster than a similar tool called Nougat and has low hallucination risk. Marker uses a pipeline of deep learning models to extract text, detect page layout, clean and format each block, and combine the blocks to produce the complete text. It supports multiple languages and can work on GPU, CPU, or MPS. However, there are limitations to Marker's functionality, such as converting fewer equations to latex than Nougat, issues with whitespace and indentations, and only supporting languages similar to English.