Chandra is a highly accurate OCR model that converts images and PDFs into structured HTML/Markdown/JSON while preserving layout information.
Cost / License
- Free
- Open Source (Apache-2.0)
Platforms
- Mac
- Windows
- Linux
- Python

ABBYY FineReader PDF is described as 'OCR software with unmatched text recognition accuracy, converting scanned documents into editable formats like Word and Excel, supporting 190 languages' and is a very popular OCR Engine in the office & productivity category. There are more than 50 alternatives to ABBYY FineReader PDF for a variety of platforms, including Windows, Web-based, Mac, Linux and iPhone apps. The best ABBYY FineReader PDF alternative is Tesseract, which is both free and Open Source. Other great apps like ABBYY FineReader PDF are NAPS2, PDF-XChange Editor, Adobe Acrobat Reader and GImageReader.
Chandra is a highly accurate OCR model that converts images and PDFs into structured HTML/Markdown/JSON while preserving layout information.

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Free OCR lacks the options such as recognizing Tables, and having the possibility to command the OCR to look for specific formats.