Tesseract
Most widely-used open-source OCR engine supporting 100+ languages.
About
Tesseract is a widely used open-source OCR engine originally developed at HP and now maintained with Google's support. Version 4 added an LSTM-based recognition engine focused on line recognition while retaining the legacy character-pattern engine, and it supports more than 100 languages across images and PDFs. It ships a library and a command-line program and runs on CPU. Released under the Apache 2.0 license.
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Details
- Category
- OCR & Document Processing
- Price
- Free
- Platform
- Local/Desktop
- Difficulty
- Easy (2/5)
- License
- Apache-2.0
- Added
- Apr 3, 2026
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