Tesseract OCR
Tesseract OCR project
Download from the vendor
tesseract-ocr.github.io
A neural-network-based OCR engine that recognises text in PNG, JPEG and TIFF images in more than 100 languages. It outputs plain text, searchable PDF, hOCR, TSV and other formats, and can be trained for new fonts and languages. Engineers use it to batch-convert old scans to text, and through other tools such as OCRmyPDF and NormCap. It is a command-line tool and library with no graphical interface; a ready Windows installer is provided by UB Mannheim.
Ratings & Reviews
| Licence type | Completely Free, Open Source |
|---|---|
| Licence terms | Open-source licence (Apache-2.0). Free for any purpose including commercial work, with no time limit, no registration and no licence key. |
| Platforms | Linux, macOS, Windows |
| Engineering field | Architecture, Civil Engineering, Electrical & Electronics, Mechanical Engineering |
| Tool type | General Productivity |
| Vendor site | github.com |
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Last verified: 2026-10-05
