PDF Tools - Advanced PDF Processing & OCR

By EricRolleiView on GitHub →

Advanced PDF processing, OCR, Image and text parsing, smart image crop nodes for ComfyUI. Features include multi-language OCR (Surya, PaddleOCR VL), AI vision analysis (Florence-2, LayoutLMv3), advanced PDF extraction with quality assessment, spread detection for scanned books, and comprehensive layout analysis. Supports 90+ languages with multiple output formats.

How much VRAM does PDF Tools - Advanced PDF Processing & OCR require?

Direct Answer: The ComfyUI node PDF Tools - Advanced PDF Processing & OCR requires a minimum base VRAM of 256MB and is optimized for GPUs with at least 4GB of VRAM. Low VRAM mode is fully supported for resource-constrained setups.

High (2-4GB)
Base VRAM:
256MB (0.3GB)
Recommended GPU:
4GB+ VRAM
Low VRAM Mode:
✓ Supported
Estimation Confidence:
HIGH

Interactive VRAM Compatibility Estimator

Estimated Total VRAM: 3.00 GBTarget: 8 GB
✅ Comfortable Fit

Your GPU has plenty of headroom. You can run this node safely with your active configurations!

Deploy on High-Performance GPUs

Need more VRAM to run ComfyUI with this node? Rent low-cost, high-performance GPUs on Vast.ai instantly.

🚀 Deploy on Vast.ai

Deploy on Cloud GPUs

Need more VRAM to run ComfyUI with this node? Rent low-cost, high-performance cloud GPUs on RunPod instantly.

🚀 Deploy on RunPod

What Python packages are required for PDF Tools - Advanced PDF Processing & OCR?

Direct Answer: Running PDF Tools - Advanced PDF Processing & OCR requires installing the following Python package dependencies: accelerate>=0.24.0, browser-cookie3>=0.19.0, colorama>=0.4.6 # For colored terminal output, gallery-dl>=1.26.0, jsonschema>=4.19.0, numpy>=1.24.0, opencv-python>=4.8.0, pillow>=10.0.0, pymupdf>=1.23.0 # fitz - Main PDF library, pypdf2>=3.0.0 # Alternative PDF library, requests>=2.31.0, safetensors>=0.4.0, sentencepiece>=0.1.99 # Required for some transformers models, timm>=0.9.0 # PyTorch Image Models - required by Florence2, tqdm>=4.66.0, transformers>=4.35.0, urllib3>=2.0.0, yt-dlp>=2023.12.0. Ensure your ComfyUI environment has these packages active before launching.

requirements.txt
accelerate>=0.24.0
browser-cookie3>=0.19.0
colorama>=0.4.6  # For colored terminal output
gallery-dl>=1.26.0
jsonschema>=4.19.0
numpy>=1.24.0
opencv-python>=4.8.0
pillow>=10.0.0
pymupdf>=1.23.0  # fitz - Main PDF library
pypdf2>=3.0.0    # Alternative PDF library
requests>=2.31.0
safetensors>=0.4.0
sentencepiece>=0.1.99  # Required for some transformers models
timm>=0.9.0  # PyTorch Image Models - required by Florence2
tqdm>=4.66.0
transformers>=4.35.0
urllib3>=2.0.0
yt-dlp>=2023.12.0

Interactive Setup & Dependency Resolver

Operating System:
Environment Type:
Run this terminal command in your ComfyUI root folder:
# Loading command...

Related Custom Nodes

The following custom nodes run in the same PyTorch / CUDA environment and share similar categories or workflows:

Comfy_HunyuanImage3
by EricRollei256MB VRAM
Emu35-Comfyui-Nodes
by EricRollei256MB VRAM
Eric UniPic3 Nodes
by EricRollei128MB VRAM
AITocha Vision
by aitocha128MB VRAM
AI_Text_Comfyui
by Zch6111256MB VRAM

Frequently Asked Questions

How much VRAM does PDF Tools - Advanced PDF Processing & OCR require?

PDF Tools - Advanced PDF Processing & OCR requires a minimum of 256MB (0.3GB) of VRAM for base operation. For optimal performance, a GPU with at least 4GB of VRAM is recommended. This node supports low VRAM mode for resource-constrained setups.

Can I run PDF Tools - Advanced PDF Processing & OCR on an RTX 3060, RTX 4070, or RTX 4090?

✅ RTX 3060 (12GB): Yes, fully compatible with 10.6GB headroom. ✅ RTX 4070 (12GB): Yes, fully compatible with 10.6GB headroom. ✅ RTX 4070 Ti (16GB): Yes, fully compatible with 14.2GB headroom. ✅ RTX 4090 (24GB): Yes, fully compatible with 21.4GB headroom

What PyTorch version does PDF Tools - Advanced PDF Processing & OCR need?

PDF Tools - Advanced PDF Processing & OCR requires the following PyTorch-related packages: timm>=0.9.0 # PyTorch Image Models - required by Florence2. Ensure your ComfyUI environment has these installed.

What Python packages are required for PDF Tools - Advanced PDF Processing & OCR?

To run PDF Tools - Advanced PDF Processing & OCR, you need to install: accelerate>=0.24.0, browser-cookie3>=0.19.0, colorama>=0.4.6 # For colored terminal output, gallery-dl>=1.26.0, jsonschema>=4.19.0, numpy>=1.24.0, opencv-python>=4.8.0, pillow>=10.0.0, pymupdf>=1.23.0 # fitz - Main PDF library, pypdf2>=3.0.0 # Alternative PDF library, requests>=2.31.0, safetensors>=0.4.0, sentencepiece>=0.1.99 # Required for some transformers models, timm>=0.9.0 # PyTorch Image Models - required by Florence2, tqdm>=4.66.0, transformers>=4.35.0, urllib3>=2.0.0, yt-dlp>=2023.12.0. You can install these using pip or add them to your requirements.txt file.

How can I reduce VRAM usage when running PDF Tools - Advanced PDF Processing & OCR?

PDF Tools - Advanced PDF Processing & OCR supports low VRAM mode. To reduce memory usage: (1) Enable --lowvram or --medvram flags in ComfyUI, (2) Reduce batch size to 1, (3) Use fp16 or fp8 precision if supported, (4) Close other GPU applications.

How do I install PDF Tools - Advanced PDF Processing & OCR in ComfyUI?

To install PDF Tools - Advanced PDF Processing & OCR: (1) Navigate to your ComfyUI/custom_nodes directory, (2) Clone the repository: git clone https://github.com/EricRollei/PDF-Tools, (3) Install dependencies: pip install -r requirements.txt (if present), (4) Restart ComfyUI. Alternatively, use ComfyUI Manager for one-click installation.