Windows 11 上的 OCR（免费在线工具）

DocSumo OCR Tool

DocSumo Online OCR Scanner is a helpful tool for users who need to convert scanned documents into different formats such as PDF, text, and Microsoft Word. It’s also beneficial for individuals who wish to read old printed or handwritten documents. Let's see how we can use the DocSumo OCR tool for extracting text from image files or pdf files.

Open the DocSumo OCR tool website in any supported browser.

Click on "Upload File" and select a file in any supported file format. It can be in an EPUB format or any PDF file. DocSumo supports almost all formats that contain data in visual form.

Once you upload the file, it will start processing and extracting text from the scanned document.

After the process completes, you will be able to download the extracted text file. You will get editable text files.

So, this is how we can extract text using the DocSumo OCR tool.

OCRConvert

OCRConvert is an online OCR tool that converts physical documents into digital ones. It provides a professional and affordable service to suit all needs. OCRConvert is a one-stop-shop for anyone who wants to digitize their old materials and have them accessible, searchable, and shareable with users worldwide, word by word.

The software uses Optical Character Recognition (OCR) technology to extract text from scanned images of paper documents, providing users with extensive control over text formatting aspects. OCR conversion helps eliminate human error and enhance accuracy to bring more value and transparency to a company’s information management strategy.

Let's see how to extract text from a scanned document using OCRConvert.

Go to the OCRConvert website.

Click "Choose File" and select the desired file. Select the output type and click on the "Convert" button.

Once clicked, it will start extracting text from the uploaded file.

You will be able to download the extracted text by clicking the download button.

To-text.net

To-text.net is a tool that helps you turn PDFs or images into editable text in real-time. It makes the process of editing and converting content fast and easy.

To-text.net uses AI to recognize text with automatic OCR (optical character recognition) technology that detects text on a scanned document and converts it into formatted text on your screen. This tool is beneficial for quickly converting a pdf file into an editable document without needing to download it or send it elsewhere for conversion. It's also an excellent option for anyone who wants to work with large amounts of data, as you don't need a high-end scanner or any software to use this app.

Follow the steps below to perform OCR:

• Open the To-text.net website.
• Upload the desired file from the device. It can be an image file or a PDF file.
• After that, select the output language and click on the "Convert" button. It will start extracting data from an image of the scanned PDF file.

After conversion, you will see the output text in the text editor and can download the text file.

IronOCR: C# Library

IronOCR is a popular OCR library for .NET developers. It provides high accuracy, fast processing, and performance in real-time for imaging, digitizing, and recognition. IronOCR has provided an easy way to handle your image data since 2006. The library is a software component that simplifies digitizing documents by automating document scanning. It also supports other processes such as OCR of scanned images, indexing of documents, and optical character recognition (OCR).

The IronOCR library is a C# API that can be used across various industries, including marketing automation, digital advertising, healthcare IT, public affairs, and security. Let's see a code example of using the IronOCR library:

Code Example

using IronOCR;

var Ocr = new IronTesseract();
using (var Input = new OcrInput())
{
    // Add an image from which you want to extract text
    Input.AddImage("Image.jpg");
    // You can add any number of images
    var Result = Ocr.Read(Input);
    // Print extracted text to the console
    Console.WriteLine(Result.Text);
}

using IronOCR;

var Ocr = new IronTesseract();
using (var Input = new OcrInput())
{
    // Add an image from which you want to extract text
    Input.AddImage("Image.jpg");
    // You can add any number of images
    var Result = Ocr.Read(Input);
    // Print extracted text to the console
    Console.WriteLine(Result.Text);
}

Imports IronOCR

Private Ocr = New IronTesseract()
Using Input = New OcrInput()
	' Add an image from which you want to extract text
	Input.AddImage("Image.jpg")
	' You can add any number of images
	Dim Result = Ocr.Read(Input)
	' Print extracted text to the console
	Console.WriteLine(Result.Text)
End Using

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Input Image

Output