Top 3 best OCR tools for extracting text from images in 2025

Are you looking to automate the management of your documents?

OCR (optical character recognition) is a powerful tool for converting your images or PDF files into usable data. Whether for invoices, contracts, bank statements or administrative documents, or administrative documents, text extraction becomes fast, accurate, and accessible.

Here's our pick of the top 3 OCR tools for extracting text from an image.

1. Koncile.ai

Koncile.ai is an OCR Software powered by artificial intelligence, designed to automatically extract data from your PDF documents or images. Unlike simple online converters, Koncile offers an engine adapted to different use cases: invoices, delivery notes, contracts, prescriptions, etc.

Strengths:

• API and SDK available for integration into your tools
• High precision thanks to LLM (Large Language Models) processing
• Customizing the fields to be extracted
• Compatible with PDF, PNG, JPEG
• Structured exports: JSON, Excel or database

Here are the steps you need to take to extract text from an image:

1. Start with Create an account for free.

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2. After creating the account, simply press the “Use Cases” tab and then click on “Create a new extraction model”

3. Create your “Model Name” and select “empty” (to custom create it)

4. Then click on your template

5. Create your “Field Name” (example: “Text”) as well as the “Field Description” (example: “Extract all text from an image”) then click on “Add”. All you have to do is upload your document.

6. Last step click on “Start the test file” then “View the document”

7. Result: We Can See That Koncile.ai Succeeded in extracting text from the image of the scanned document with great precision.

After analyzing the results, I found them to be very accurate. That's why I put Koncile.ai in the top position of the best OCR-based image-to-text conversion tools. Unlike others, its API compatibility allows for smooth integration into automated business processes.

2. ImageToText.io

Imagetotext.io is a free online tool that allows you to process up to 3 images at a time (and more in a premium version). It supports various formats like JPG, PNG, GIF, or WEBP, and offers a simple interface for copying extracted text or downloading a text file.

Strengths:

• Free for basic use
• Interface accessible to all
• Multilingual
• Fast and Easy Conversion

Boundaries: no API, limited data customization, restrictive output format (.txt).

1. Submit your document by selecting the button (+ Browse).

2. Once the image was uploaded, I pressed (Submit and Extract).

3. Then download the file (.txt). Here are the results obtained.

After analyzing the results, I found them to be accurate and so I decided to place this tool among the best image to text conversion tools based on OCR. However, the absence of an API limits its integration into an automated process for businesses.

3. Prepostseo

Prepostseo offers an interesting image-to-text conversion tool for those who want to process large files (up to 20 MB). It is adapted to low-resolution documents and offers several output formats (.txt, .doc).

Strengths:

• Extracting text even on a blurry image
• Multilingual
• Various output formats
• Accessible on mobile and computer

Boundaries: no contextual verification, no business logic, no integration possible via API.

1. Submit your document by selecting the button (Browse files).

2. Once the image was uploaded, I pressed (Extracts text).

3. Then download the file (.txt). Here are the results obtained.

After analyzing the results, I found them to be accurate and so I decided to place this tool among the best image to text conversion tools based on OCR. However, the absence of an API limits its integration into an automated process for businesses.

4. Comparative table of the 3 text extraction tools