Comparison of optical character recognition software
This comparison of optical character recognition software includes:
- OCR engines, that do the actual character identification
- Layout analysis software, that divide scanned documents into zones suitable for OCR
- Graphical interfaces to one or more OCR engines
- Software development kits that are used to add OCR capabilities to other software (e.g. forms processing applications, document imaging management systems, e-discovery systems, records management solutions)
| Name | Founded year | Latest stable version | Release year | License | Online | Windows | Mac OS X | Linux | BSD | Android | iOS | Programming language | SDK? | Languages | Fonts | Output Formats | Notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ABBYY FineReader | 1989 | 16 | 2022 | Proprietary | Yes | Yes | Yes | No | Yes | Yes | Yes | C/C++ | Yes | 192 | All fonts | DOC, DOCX, XLS, XLSX, PPTX, RTF, PDF, HTML, CSV, TXT, ODT, DjVu, EPUB, FB2 | ABBYY also supplies SDKs for embedded and mobile devices. Professional, Corporate and Site License Editions for Windows, Express Edition for Mac. |
| AnyDoc Software | 1989 | ? | ? | Proprietary | No | Yes | No | No | No | ? | ? | VBScript | ? | ? | ? | Works with structured, semi-structured, and unstructured documents. | |
| Asprise OCR SDK | 1998 | 15 | 2015 | Proprietary | Yes | Yes | Yes | Yes | Yes | ? | ? | Java, C#,VB.NET, C/C++/Delphi | Yes | 20+ | ? | Plain text, searchable PDF, XML | Java, C#, VB.NET, C/C++/Delphi SDKs for OCR and Barcode recognition on Windows, Linux, Mac OS X and Unix. |
| CuneiForm | 1996 | 1.1 | 2011 | BSD variant | No | Yes | Yes | Yes | Yes | ? | ? | C/C++ | Yes | 28 | Any printed font | HTML, hOCR, native, RTF, TeX, TXT | Enterprise-class system, can save text formatting and recognizes complicated tables of any structure |
| Dynamsoft OCR SDK | 2003 | 8.2 | 2012 | Proprietary | Yes | Yes | No | No | No | ? | ? | C/C++ | Yes | 40+ | ? | PDF, TXT | |
| E-aksharayan | 2010 | Yes | No | Yes | No | ? | ? | 14 | RTF, TXT, BRL | ||||||||
| GOCR | 2000 | 0.52 | 2018 | GPL | Yes | Yes | Yes | Yes | Yes | ? | ? | C | ? | 20+ | ? | ||
| Google Drive OCR or Google Cloud Vision | 2015 | Proprietary | Yes | Browser | Browser | Browser | Unknown | ? | ? | Unknown | Yes | 200+ | All fonts | text | Google blog post | ||
| Microsoft Office Document Imaging | ? | Office 2007 | 2007 | Proprietary | No | Yes | No | No | No | ? | ? | ? | ? | ? | ? | Uses OmniPage | |
| Microsoft Office OneNote 2007 | 2011 | ? | 2007 | Proprietary | No | Yes | No | No | No | ? | ? | ? | ? | ? | ? | ||
| OCRFeeder | 2009-03 | 0.8.5 | 2022 | GPL | No | No | No | Yes | No | ? | ? | Python | ? | ? | ? | Features a full user interface and has a command-line tool for automatic operations. Has its own segmentation algorithm but uses system-wide OCR engines like Tesseract or Ocrad | |
| Ocrad | ? | 0.28 | 2022 | GPL | Yes | No | Yes | Yes | Yes | ? | ? | C++ | Yes | Latin alphabet | ? | Command line | |
| OCRopus | 2007 | 1.3.3 | 2017 | Apache | No | No | Yes | Yes | Yes | ? | ? | Python | ? | All languages using Latin script (other languages can be trained) | Normal Latin script and Fraktur (other scripts can be trained) | TXT, hOCR, PDF | Pluggable framework under active development, used for Google Books |
| OmniPage | 1970s | 19.2 | 2015 | Proprietary | Yes | Yes | Yes | Yes | No | ? | ? | C/C++, C# | Yes | 125 | Machine and handprinted fonts | DOC/DOCX XLS/XLSX PPTX RTF PDF PDF/A Searchable PDF HTML Text XML ePUB MP3 | Product of Nuance Communications |
| Puma.NET | ? | ? | 2009 | BSD | No | Yes | No | No | No | ? | ? | C# | Yes | 28 | Any printed font | .NET OCR SDK based on Cognitive Technologies' CuneiForm recognition engine. Wraps Puma COM server and provides simplified API for .NET applications | |
| ReadSoft | ? | ? | ? | Proprietary | No | Yes | No | No | No | ? | ? | ? | ? | ? | ? | Scan, capture and classify business documents such as invoices, forms and purchase orders integrated with business processes. | |
| Scantron | ? | ? | ? | Proprietary | No | Yes | No | No | No | ? | ? | ? | ? | ? | ? | For working with localized interfaces, corresponding language support is required. | |
| SmartScore | 1991 | 10.5.8 | 2015 | Proprietary | No | Yes | Yes | No | No | ? | ? | ? | ? | ? | ? | For musical scores | |
| Tesseract | 1985 | 5.3.3 | 2023 | Apache | No | Yes | Yes | Yes | Yes | ? | ? | C++, C | Yes | 100+ | Any printed font | Text, ALTO, hOCR, PDF, others with different user interfaces or the API | Created by Hewlett-Packard; under further development by Google |
| Name | Founded year | Latest stable version | Release year | License | Online | Windows | Mac OS X | Linux | BSD | Android | iOS | Programming language | SDK? | Languages | Fonts | Output Formats | Notes |
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