BabelDOC

LLM-based open-source PDF translator — preserves layout, bilingual side-by-side

★ 9,632 stars, verified 2026-09-30Category: Translation / Doc Parsing / OCRGitHub repository ↗

An LLM-based open-source PDF translation tool that preserves layout with bilingual side-by-side output. Note: AGPL-3.0 — mind the license for commercial use.

Translate documents, parse PDFs, and extract text with OCR.

Key features

Good for

Stack & tags

Pythonpdf-translationbilingualscientific-papersclipython-librarychinese

Quick start

uv tool install --python 3.12 BabelDOC
babeldoc --help

From the project README on GitHub.

Similar open-source projects

Microsoft's open-source Python tool — convert PDF/Word/PPT/audio/YouTube to clean Markdown

Translation / Doc Parsing / OCRGitHub ↗

DeepSeek-OCR

★ 23,926

DeepSeek's novel OCR document model — "contextual optical compression"

Translation / Doc Parsing / OCRGitHub ↗