Data Scraping is a procedure in which the information contained on the Net in HTML, PDF and various other documents can be accessed. It is also about collecting relevant data and store them in a spreadsheet or database for future purposes.
You may get a web scrapping software at https://www.heliumscraper.com/eng/.
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At most sites, text content can be easily accessed in the source code, but a good number of home businesses that take advantage of the Portable Document Format. This format has been launched by Adobe and documents in this format can easily be seen in almost all operating systems.
Some people convert documents from word to PDF when they need to send files via the Net and many convert PDF to word so that they can edit their documents. The best benefit that one gets to use it is that the visible replica of the original document.
The weakness of the format is that the text in the file is converted into an image or images, and then copy and paste it was no longer possible.
Etching in this format is a procedure where data is etched in the files. The most diverse tools necessary to carry out scraping documents created in this format. For image-based files, there is a need to use a special application for the task.