PDF Translator with Local LLM (Ollama + Marker + MarkdownPDF)

This project provides a complete pipeline for translating PDF documents into other languages using a local Large Language Model (LLM). It extracts structured text and images from a PDF, translates the text into the target language using Ollama, and regenerates a new translated PDF — all while preserving layout and formatting.

translator.mov

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Features

• Extracts text and images from PDFs using marker
• Translates text to any target language using a local LLM via ollama
• Reconstructs translated content into a well-formatted PDF using markdown-pdf
• Saves extracted and translated text as .md files for readability and further use
• Lightweight, offline-friendly, and privacy-preserving

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Tech Stack

• marker: PDF layout-aware text & image extraction
• ollama: Run LLMs like gemma, mistral, etc. locally
• markdown-pdf: Convert translated Markdown to a clean, printable PDF
• Python: File handling, automation, and orchestration