Powerful Free OCR Software for PDF Files

I. Recommended free OCR software that can analyze PDF files

At present, there are many softwares with OCR technology on the market that support the identification and analysis of PDF files, and the functions are relatively diverse. Therefore, according to the different functional characteristics of different software, the editor has sorted out some high-rated and practical OCR software for you. You can According to these detailed function introductions, choose the one that suits you best.

1. Renee PDF Aide

Renee PDF Aide , is a multifunctional tool software that integrates PDF file editing and format conversion. The software integrates advanced OCR (Optical Character Recognition) technology, which can convert scanned PDF files into common format files such as Word/Excel/PowerPoint/Image/HTML/TXT, and you can choose to convert the entire PDF document or PDF document The specified page can be quickly converted into other formats, and the conversion speed can be as high as 80 pages per minute. The software is easy to operate and has various functions. It can not only optimize and edit specific pages of PDF format files, such as repairing damaged files, optimizing the loading time of large files, and realizing multi-page file segmentation,Merge PDF files , adjust the display angle of the file, etc., you can alsoencryption / Decrypt PDF files, add multi-form watermarks to exclusive files, etc.

In addition, Renee PDF Aide also supports the conversion of English/French/German/Italian/Spanish/Portuguese/Chinese/Korean/Japanese and other multi-language texts. In OCR mode, selecting the corresponding recognition language can greatly improve the accuracy of character recognition , The conversion efficiency is extremely high, even computer beginners can easily handle it.

How to use the OCR function of Renee PDF Aide?

Renee PDF Aide has two functions, one is to meet the basic editing needs of PDF files; the other is to convert PDF files into other common formats, let’s see how to use Renee PDF Aide OCR function to complete the analysis of PDF files.

Using Renee PDF Aide, you can convert PDF format files into common format files such as Word/Excel/PowerPoint/Image/HTML/TXT. You can enable the OCR function before conversion to improve the accuracy of text recognition. The operation steps are very simple and specific The process is as follows:

Step 1: Download and install Renee PDF Aide, run the software, select the “Convert PDF” option.

Step 2: After entering the format conversion page, you can choose to convert PDF files to common format files such as Word/Excel/PowerPoint/Image/HTML/TXT according to your personal needs. Then import the files to be converted into Renee PDF Aide through the “Add Files” button. Then, you can check the “Enable OCR” option to improve the text recognition rate during format conversion.

Instructions for enabling OCR technology:

In Renee PDF Aide, enabling OCR technology includes two functions. Right now

A. Recognize text in pictures or PDF scans. This option can recognize text in pictures or PDF scans, and the accuracy of text recognition can be further improved with the help of OCR technology.

B. Identify built-in fonts (to avoid garbled characters). This option is applicable to the situation where there are built-in fonts in the PDF source file, which can avoid garbled characters after the format conversion is completed.

Step 3: After the settings are complete, click the “Convert” button on the right to start the command to convert the PDF format file into other commonly used format files, which is very convenient and quick.

2. Soda PDF software

Soda PDF software is a free OCR PDF tool that allows you to convert scanned PDF files into editable file formats such as Excel, TXT, Word, and PowerPoint, etc. In addition, this software also supports batch conversion of files. Of course, you can also use it to complete operations such as modifying text and images on PDFs, adding annotations to files, adding digital signatures, electronic passwords, etc., and supports file sharing to Dropbox. Evernote, Google Drive, and more.

3. ABBYY PDF Transformer + software

ABBYY PDF Transformer +, as an OCR PDF software, realizes the perfect integration with OCR technology, and it has a strong ability to distinguish and analyze text and images. Support up to 189 OCR languages, such as English, Greek, Albanian, Chinese, Arabic and more. In addition, the software also allows you to create, edit, and convert files, and supports a series of editing operations on files, and supports setting password protection for files to protect your PDFs from unauthorized access.

4. Google Docs

Google Docs allows you to use the OCR function on images and PDF files. You only need to upload the scanned PDF file or image to Google Drive’s server, after which it will open a new page in Google Docs, which will use OCR character recognition technology to extract the text in the file during the opening process. However, there are certain disadvantages in using this tool, that is, the accuracy rate of discrimination is lower than that of other tools. If you cannot tolerate possible text recognition errors, it is recommended to try other software first.

5. Free OCR software

Free OCR is a small OCR software, you can use it to get scanned images or PDF documents directly from the scanner, or you can scan documents or images through your mobile phone, upload them to the Free OCR tool, and then process them Corresponding OCR operation. It is worth noting that this software is not suitable for more complex document content, such as tables in the source file or document content composed of Excel tables. In addition, if you want to successfully download the software to your computer, you need to use third-party download software to complete the final download and installation, which will undoubtedly slow down your computer.

6. Simple OCR software

SimeOCR is one of the most popular OCR software programs out there. With SimpleOCR, you can change the content of image-based PDF scans, saving more time for other operations. Of course, the software’s ability to distinguish and analyze is not strong, and there will be certain conversion errors, so a second confirmation and modification are required.

7. PDF Converter Pro software

PDF Converter Pro is a highly rated software with high-end OCR technology. This software not only allows you to convert scanned PDF or image-based PDF files to file formats such as Excel, PPT, Word, TXT, HTML, and EPUB, but also Supports uploading unlimited PDF files and performing batch format conversion. In addition, the software can also create files in Excel, PowerPoint, Word, TXT, EPUB and other formats into PDF files; and it can also decrypt encrypted documents, merge multiple PDF documents, and so on.

8. Online OCR online tool

OnlineOCR is an online format conversion tool that provides OCR function for free, this online PDF OCR editor allows you to convert PDF files into free editable formats such as Word, Excel and TXT. In addition, you can also extract images and texts from PDF at will. It provides multilingual OCR service and supports up to 46 languages, including English, Danish, Chinese, Korean, Estonian, Finnish, etc. You only need to register to use all the functions in this website for free.

9. Evernote software

Evernote software is also a free OCR software. The advantage of this software is that it can retain all the content in the source document and create a new converted document to support the user’s personalized editing operation. In addition, the software supports all mainstream platform systems, such as tablet PCs, smart phones, etc. Editing content on one terminal, other platforms can be synchronized in real time. Coupled with good OCR function, it becomes one of the most popular software on the market.

10. PaperPort Professional software

As a popular OCR PDF conversion tool, PaperPort Professional provides multilingual OCR function, and you can easily edit scanned PDF files with just a few mouse clicks. In addition, the best thing about this software is that it allows you to perform conversions of multiple files at the same time, as well as perform a series of editing operations on text and images. Of course, you can also modify or fill the form content in the PDF file through this software.

II. Summary

The above are the relevant function introductions of the 10 free OCR software that can distinguish and analyze PDF files. Unlike the other 9 OCR software, Renee PDF Aide can be regarded as the top software on the recommended list. The software has cutting-edge OCR technology, which greatly improves the correct rate of converted content, and the OCR function in the software is also compatible with multiple languages (including but not limited to English/French/German/Arabic/Spanish/Portuguese/Chinese/Korean) /Japanese, etc.) perfect integration, suitable for those who need to deal with multilingual documents on a daily basis. You can use this software to convert PDF files into other commonly used format files, such as Word, TXT, Excel, PowerPoint, HTML, Image, EPUB, etc.

In addition, the software also has many commonly used file editing functions, such as repair, optimization, split, merge, rotate, encryption/decryption, watermark, image to PDF, etc., the functions are very diverse. So, if you want to choose an OCR software that is easy to use, Renee PDF Aide is worth a try.