Best OCR software : Free & Paid options

Are you looking for the best OCR tool in 2025?
‍In this article, we compare 4 essential solutions: Koncile (freemium + API), Nanonets, Klippa and Readiris. Discover their functionalities, prices, integrations and business use cases through a clear and up-to-date comparison.

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Nanonets

Nanonets is an OCR software that allows you to scan all types of documents and extract data in a few seconds. Thanks to intelligent document processing, it automatically improves as it is used.

Nanonets makes it possible to target only relevant data to be extracted from PDFs, scanned documents, or images, which simplifies workflows and significantly reduces manual work.

Designed for businesses of all sizes, it integrates with more than 5,000 applications, ERPs, and databases, while complying with the GDPR.

A free trial is available. The Pro plan starts at $499, while enterprise rates are available upon request.

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Klippa

Klippa is a smart OCR data extraction software designed to scan invoices, receipts, and contracts, and instantly extract structured data. The output can be exported in XML, CSV, XLSX or UBL formats.

Based on machine learning, Klippa facilitates the management, archiving and processing of administrative documents. Extracted data can be exported in XML, CSV, UBL, or XLSX formats.

With its modern and intuitive interface, the tool is suitable for both small and large structures. Rates are only available upon request.

For those seeking the best ocr software for invoices, Klippa is a solid choice. Pricing details are available upon request.

Readiris

Readiris is a premium OCR solution for extracting data from PDF or scanned files. Its elegant and easy to handle interface makes the user experience very fluid.

Readiris supports more than 120 languages and allows export in rare formats such as HTML, WordML or SpreadsheetML. It is also capable of processing audio files, signing, annotating, or protecting documents.

Available only on Windows, Readiris starts at €199 for professional use.

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Koncile.ai

Koncile.ai is a next-generation OCR software, powered by artificial intelligence, that allows data from PDF documents or images to be extracted instantly and accurately. Unlike the majority of competing solutions, Koncile offers access free and paid, making its advanced functionalities accessible to startups, SMEs and large groups.

Its strength lies in its flexibility: create custom extraction models without coding, define your own fields, and export the results in JSON, Excel or connect them to your systems via API or SDK.

It’s ideal for a variety of use cases such as invoices, contracts, identity documents, or even OCR for utility bills. The modern interface is designed for automation and productivity.

Unlike other solutions that require custom quotes or expensive licenses, Koncile allows you to test the platform for free, then to upgrade as needed — in complete transparency.

The comparative table of OCR solutions:

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