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Web Scraping (also termed Screen Scraping, Web Data Extraction, and Web Harvesting etc.) is a technique employed to extract large amounts of data from websites whereby the data is extracted and saved to a local file in your computer or to a database in spreadsheet format. 

Web Scraping tools are specifically developed for extracting information from websites. They are also known as web harvesting tools or web data extraction tools. These tools are useful for anyone trying to collect some form of data from the Internet. Web Scraping is the new data entry technique that doesn?t require repetitive typing or copy-pasting. 

The software looks for new data manually or automatically, fetching the new or updated data and storing them for your easy access. For example, one may collect info about products and their prices from Amazon using a scraping tool. Web scraping tools collect information, with zero coding. 

There are many web scraping tools available. Some of them are free; some of them have trial periods and premium plans. 

Scraper- Scraper is a Chrome extension with limited data extraction features but it?s helpful for making online research, and exporting data to Google Spreadsheets. This tool is intended for beginners as well as experts who can easily copy data to the clipboard or store to the spreadsheets using OAuth. is a free tool, which works right in your browser and auto-generates smaller XPaths for defining URLs to crawl. It doesn?t you the ease of automatic or bot crawling like and others, but it?s also a benefit for novices as you don?t need to tackle messy configuration. 

Import.io- It offers a builder to form your own datasets by simply importing the data from a particular web page and exporting the data to CSV. You can easily scrape thousands of web pages in minutes without writing a single line of code and build 1000+ APIs based on your requirements.Import.io uses cutting-edge technology to fetch millions of data every day, which businesses can avail for small fees. 

Along with the web tool, it also offers a free app for Windows, Mac OS X and Linux to build data extractors and crawlers, download data and sync with the online account. 

Webhose.io ?It provides direct access to real-time and structured data from crawling thousands of online sources. The web scraper supports extracting web data in more than 240 languages and saving the output data in various formats including XML, JSON RSS.Webhose.io is a browser-based web app that uses an exclusive data crawling technology to crawl huge amounts of data from multiple channels in a single API. It offers a free plan for making 1000 requests/ month, and a $50/moth premium plan for 5000 requests/month.

Scrapinghub-It is a cloud-based data extraction tool that helps thousands of developers to fetch valuable data. Scrapinghub a smart proxy rotator that supports bypassing bot counter-measures to crawl huge or bot-protected sites easily. Scrapinghub converts the entire web page into organized content. 

Their teams of experts are available for help in case its crawl builder can?t work your requirements. Its basic free plan gives you access to 1 concurrent crawl and its premium plan for $25 per month provides access to up to 4 parallel crawls.

- This scraper supports data collection from any website and requires no download just It provides a browser-based editor to set up crawlers and extract data in real-time. You can save the collected data on cloud platforms like Google Drive and Box.net or export as CSV or JSON. also supports anonymous data access by offering a set of proxy servers to hide your identity. stores your data on its servers for 2 weeks before archiving it. The web scraper offers 20 scraping hours for free and will cost $29 per month.

Web scraping is a technique for targeted, automated extraction of information from websites. But when businesses depend on data, a simple web scraper tool can create more problems than it solves when it can?t access dynamic content, breaks when websites inevitably change and can?t filter out unwanted information. 

Web scraping tools acquire non-tabular or poorly structured data from websites, but web scrapping service providers can convert it into a usable, structured format, such as a .csv file or spreadsheet. 

Here are some more web scraping tools that can be used for a better and more vivid research. 

Outwit Hub, 80 legs, Spinn3r, Parse Hub, etc   

For more info go onto 

(https://www.promptcloud.com/blog/best-web-scraping-software-tools-extract-data)

(https://www.quora.com/topic/Web-Scraping)

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