Extreme PDF-OCR Tools Toolbox is a powerful PDF tool software developed by the Weizhi team under Chengdu Weilonghui Network Technology Co., Ltd. It can quickly convert and operate PDFs, OCR recognize scanned PDFs, and preserve the styles of text, tables, paragraphs, and images to the greatest extent possible.

The graphic recognition engine is connected to the internationally renowned company ABBYY, while the mathematical formula recognition interface is Mathpix.

The main interface is divided into two blocks.

Block 1: Mainly for the "Users and Settings" area

This block mainly includes the homepage, product activation, user information, and settings.

Block 2: Mainly for "functional areas"

This area includes the three main functions of the Extreme PDF-OCR Toolbox - OCR conversion, PDF conversion, and PDF manipulation.

1. OCR conversion: Convert scanned PDF to WORD, EXCEL, or PDF format.
2. PDF Conversion: Convert regular PDF documents (non scanned version) into various forms such as WORD, EXCEL, HTML, OFD documents, XPS document images, etc.
3. PDF operations: Merge, split, compress, cut pages, set backgrounds, add watermarks, encrypt, remove passwords, and perform other operations on PDFs.

How to purchase extreme PDF formula recognition frequency

The Extreme PDF-OCR Toolbox provides each user with 10 formula recognition times per day. If some users feel that 10 formula recognition times per day are not enough, they can purchase additional formula recognition times!

1. Open Settings
2. Find 'Purchase PDF Formula Recognition Times'
3. Click on 'Purchase Times' and enter the number of times you want to purchase

Please note that:

1. Currently, only Alipay purchase formula times are supported. If the payment window cannot be popped up normally, restart the software!
2. The additional formula recognition times purchased can be accumulated and will not be affected by the daily refreshing of 10 free formula recognition times.