# PaddleOCR | PaddlePaddle | Knowledge Base | Instagit

Turn any PDF or image document into structured data for your AI. A powerful, lightweight OCR toolkit that bridges the gap between images/PDFs and LLMs. Supports 100+ languages.

GitHub Stars: 71.5k

Repository: https://github.com/PaddlePaddle/PaddleOCR

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## Articles

### [PaddleOCR Data Preprocessing Best Practices: Configuration-Driven Pipeline Guide](/PaddlePaddle/PaddleOCR/best-practices-for-paddleocr-data-preprocessing)

Master PaddleOCR data preprocessing with our guide to its configuration-driven pipeline. Learn best practices for reproducible and memory-efficient data loading.

- Tags: best-practices
- Published: 2026-03-03

### [How to Use GPU with PaddleOCR: Complete Device Configuration Guide](/PaddlePaddle/PaddleOCR/how-to-use-gpu-with-paddleocr)

Boost PaddleOCR performance with GPU acceleration. Follow this guide to configure your device for faster OCR processing using the paddlepaddle-gpu package and simple command line or Python setup.

- Tags: how-to-guide
- Published: 2026-03-03

### [Understanding PaddleOCR's Architecture: A Deep Dive into the Pipeline-Based Design](/PaddlePaddle/PaddleOCR/understanding-paddleocr-architecture)

Explore PaddleOCR's architecture and its modular pipeline design. Learn how to chain detection, recognition, and classification models for efficient OCR solutions.

- Tags: deep-dive
- Published: 2026-03-03

### [Troubleshooting PaddleOCR Installation Errors: A Complete Guide to Common Setup Issues](/PaddlePaddle/PaddleOCR/troubleshooting-paddleocr-installation-errors)

Solve common PaddleOCR installation errors. Verify compatibility, install dependencies, and optimize GPU acceleration for a smooth setup.

- Tags: how-to-guide
- Published: 2026-03-03

### [Integrating PaddleOCR with Python Applications: From Basic OCR to Multimodal AI](/PaddlePaddle/PaddleOCR/integrating-paddleocr-with-python-applications)

Integrate PaddleOCR with Python apps for advanced text recognition and document understanding. Leverage powerful OCR and multimodal AI with easy pipeline classes.

- Tags: tutorial
- Published: 2026-03-03

### [How to Fine-Tune PaddleOCR on a Custom Dataset: A Complete Training Guide](/PaddlePaddle/PaddleOCR/how-to-fine-tune-paddleocr-on-specific-dataset)

Master fine-tuning PaddleOCR on your custom dataset. Learn to format data, configure YAML, and resume training for improved OCR accuracy with this complete guide.

- Tags: how-to-guide
- Published: 2026-03-03

### [What Are the Limitations of PaddleOCR? 7 Critical Constraints in Version 3.x](/PaddlePaddle/PaddleOCR/what-are-the-limitations-of-paddleocr)

Discover the top 7 limitations of PaddleOCR 3.x including Base64 PDF constraints, GPU memory, and image dimension limits. Understand critical constraints for optimal OCR.

- Tags: limitations
- Published: 2026-03-03

### [How to Perform Batch Processing with PaddleOCR: A Complete Guide to Batch Recognition](/PaddlePaddle/PaddleOCR/how-to-perform-batch-processing-with-paddleocr)

Master batch processing with PaddleOCR using the TextRecognizer class and rec_batch_num parameter. Accelerate your text recognition by processing multiple images simultaneously for enhanced efficiency.

- Tags: how-to-guide
- Published: 2026-03-03

### [What Are the Different OCR Pipelines in PaddleOCR? A Complete Technical Guide](/PaddlePaddle/PaddleOCR/what-are-the-different-ocr-pipelines-in-paddleocr)

Explore the ten OCR pipelines in PaddleOCR, from classic detection to multimodal VLM. This guide details their unified interfaces for efficient text recognition.

- Tags: deep-dive
- Published: 2026-03-03

### [How to Use PaddleOCR with Different Image Formats: JPG, PNG, PDF, and GIF Support](/PaddlePaddle/PaddleOCR/how-to-use-paddleocr-with-different-image-formats)

Learn how to use PaddleOCR with JPG PNG PDF and GIF formats. PaddleOCR automatically handles detection validation and decoding saving you manual conversion time.

- Tags: how-to-guide
- Published: 2026-03-03

### [How to Optimize PaddleOCR for Inference Speed: 7 Proven Acceleration Techniques](/PaddlePaddle/PaddleOCR/how-to-optimize-paddleocr-for-inference-speed)

Boost PaddleOCR inference speed with 7 proven techniques. Learn to optimize models, use hardware backends, INT8 quantization, and batch processing for faster results.

- Tags: performance
- Published: 2026-03-03

### [Supported Languages in PaddleOCR: A Complete Guide to 100+ Multilingual Models](/PaddlePaddle/PaddleOCR/what-are-the-supported-languages-in-paddleocr)

Explore PaddleOCR's extensive language support with over 100 multilingual models. Discover supported languages and easily configure them for your projects.

- Tags: tutorial
- Published: 2026-03-03

### [How to Evaluate PaddleOCR Model Performance: A Complete Guide](/PaddlePaddle/PaddleOCR/how-to-evaluate-paddleocr-model-performance)

Master PaddleOCR model performance evaluation. Learn to use tools eval.py or program.eval() for accurate recognition and detection metrics. Boost your OCR project's success.

- Tags: how-to-guide
- Published: 2026-03-03

### [How to Train a Custom PaddleOCR Model: Complete Fine-Tuning Guide](/PaddlePaddle/PaddleOCR/how-to-train-custom-paddleocr-model)

Learn how to train a custom PaddleOCR model with this comprehensive guide. Prepare data, configure settings, and fine-tune your model efficiently for best results.

- Tags: tutorial
- Published: 2026-03-03

### [Where to Find Pre-Trained PaddleOCR Models: The Complete Model Zoo Guide](/PaddlePaddle/PaddleOCR/where-to-find-pre-trained-paddleocr-models)

Discover pre-trained PaddleOCR models easily. Find download links for detection, recognition, and classification weights in the official Model Zoo.

- Tags: getting-started
- Published: 2026-03-03

### [How to Configure PaddleOCR Models: YAML Files, CLI Overrides, and Runtime Options](/PaddlePaddle/PaddleOCR/how-to-configure-paddleocr-models)

Learn how to configure PaddleOCR models using YAML files, CLI overrides, and runtime options. Master PaddleOCR's layered configuration for optimized training and inference.

- Tags: how-to-guide
- Published: 2026-03-03

### [How to Use PaddleOCR for End-to-End OCR: Complete Python and CLI Guide](/PaddlePaddle/PaddleOCR/how-to-use-paddleocr-for-end-to-end-ocr)

Master end-to-end OCR with PaddleOCR in Python and CLI. Detect and recognize text efficiently using the PaddleOCR class for structured results and visualization. Get started now.

- Tags: how-to-guide
- Published: 2026-03-03

### [How to Use PaddleOCR for Text Detection: CLI and Python API Guide](/PaddlePaddle/PaddleOCR/how-to-use-paddleocr-for-text-detection)

Master PaddleOCR text detection with our CLI and Python API guide. Learn to load models, preprocess images, and get accurate bounding boxes. Get started today!

- Tags: how-to-guide
- Published: 2026-03-03

### [Prerequisites for Running PaddleOCR: Complete Installation Guide](/PaddlePaddle/PaddleOCR/what-are-the-prerequisites-for-running-paddleocr)

Learn the essential prerequisites for running PaddleOCR. Install Python, PaddlePaddle, and the paddleocr package. Explore GPU acceleration with CUDA and cuDNN for faster performance.

- Tags: getting-started
- Published: 2026-03-03

### [How to Install PaddleOCR from Source: Complete Development Setup Guide](/PaddlePaddle/PaddleOCR/how-to-install-paddleocr-from-source)

Install PaddleOCR from source using the PaddlePaddle/PaddleOCR repo. Clone, install dependencies, and run pip install -e . for a development setup to track changes.

- Tags: how-to-guide
- Published: 2026-03-03