https://tesseractocr.org/ Updated guides for installing, using, training and deploying Tesseract OCR. en Sat, 17 Oct 2026 00:00:00 +0000 https://tesseractocr.org/assets/logo-512.png https://tesseractocr.org/ https://tesseractocr.org/ocr-online/ https://tesseractocr.org/ocr-online/ Fri, 16 Oct 2026 00:00:00 +0000 Free online OCR powered by Tesseract. Extract text from images and PDFs (up to 20 pages) in 100+ languages, then copy it or save a searchable PDF. Runs in your browser. https://tesseractocr.org/install/ https://tesseractocr.org/install/ Sat, 03 Oct 2026 00:00:00 +0000 Step-by-step guide to install Tesseract OCR on Windows, macOS, Ubuntu, Fedora, Docker and WSL, with PATH setup, language packs, verification and troubleshooting. https://tesseractocr.org/train/ https://tesseractocr.org/train/ Sat, 03 Oct 2026 00:00:00 +0000 Fine-tune or train Tesseract 5 models with tesstrain: prepare ground truth, run make training, tune the learning rate, measure CER with lstmeval and deploy traineddata. https://tesseractocr.org/python/ https://tesseractocr.org/python/ Sat, 03 Oct 2026 00:00:00 +0000 Use Tesseract OCR in Python with pytesseract: install, image_to_string, OpenCV/Pillow preprocessing, PDFs, confidence filtering, PSM/OEM tuning and common error fixes. https://tesseractocr.org/pdf/ https://tesseractocr.org/pdf/ Sat, 03 Oct 2026 00:00:00 +0000 OCR PDF files with Tesseract: rasterize pages, create searchable PDFs, use OCRmyPDF and pdfsandwich, or do it end-to-end in Python with pdf2image. Plus troubleshooting. https://tesseractocr.org/libraries/ https://tesseractocr.org/libraries/ Sat, 03 Oct 2026 00:00:00 +0000 Compare Tesseract OCR libraries for every language — pytesseract, tesserocr, tesseract.js, Tess4J, gosseract, the C++ API — with install commands, examples and trade-offs. https://tesseractocr.org/api/ https://tesseractocr.org/api/ Sat, 03 Oct 2026 00:00:00 +0000 Run Tesseract OCR as a self-hosted REST API: a FastAPI service with pytesseract, Docker image, concurrency, scaling, serverless options and when a managed API fits better. https://tesseractocr.org/doc/ https://tesseractocr.org/doc/ Sat, 11 Apr 2026 00:00:00 +0000 Practical Tesseract OCR documentation: install on Windows, macOS and Linux, CLI usage, PSM/OEM modes, output formats, Python and Node.js wrappers, and training.