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Generate audiobooks from EPUBs, PDFs and text with synchronized captions. - denizsafak/abogen

Abogen is a powerful text-to-speech conversion tool that makes it easy to turn ePub, PDF, text, markdown, or subtitle files into high-quality audio with matching subtitles in seconds. Use it for audiobooks, voiceovers for Instagram, YouTube, TikTok, or any project that needs natural-sounding text-to-speech, using Kokoro-82M.

Datalab’s Chandra topped independent benchmarks and beat the previously best dots-ocr.

• Support for 40+ languages
• Handles text, tables, formulas seamlessly

A toolkit for converting PDFs and other image-based document formats into clean, readable, plain text format.

Try the online demo: https://olmocr.allenai.org/

Features:

Convert PDF, PNG, and JPEG based documents into clean Markdown Support for equations, tables, handwriting, and complex formatting Automatically removes headers and footers Convert into text with a natural reading order, even in the presence of figures, multi-column layouts, and insets Efficient, less than $200 USD per million pages converted (Based on a 7B parameter VLM, so it requires a GPU)

Conversion of PDF documents to structured Markdown, optimized for Retrieval Augmented Generation (RAG) and other NLP tasks. Extract text, tables, and images with preserved formatting for enhanced information retrieval and processing. The pdf-to-markdown GitHub repository hosts a tool designed to convert PDF files into Markdown format for easier text extraction and reformatting, with the process running locally on the user’s machine.

This academic PDF titled “Mind-Wandering” provides a comprehensive psychological review of the phenomenon, covering its definition, underlying cognitive mechanisms, and implications for human behavior and attention.