The Internet is all about productivity, the internet is loaded with millions of websites, some of them useful & some of them are not. Here are top 8 useful websites.

This is your one-stop solution for converting one type of file to another, and that too without having to sign-up for a file sized up to 50 MB. The site supports over 1,200 type of files. You just need to upload your file, select the format and enter your email address — the file will be sent to the specified email address after conversion.
Link : http://www.zamzar.com/

This site comes handy if you want to share private information with someone else like an ATM Pin or a bank password. PrivNote.com lets you send a text note to anyone else using email, MS or chat and you can set the note to be deleted as soon as it gets read. You can even choose to have the note destroy after a specific time.
Link : https://privnote.com/

Printing a webpage from a browser can get quite messy with multiple links, ads, images and other page fillers. Printfriendly.com will give you a modifiable, printable page in a few seconds. You just need to paste the URL in the website. They also offer free extensions for Firefox, Chrome, Internet Explorer and Safari..
Link : https://www.printfriendly.com/

With so much information overload, you may not be able to read everything you browse in wholesome. On Spreeder.com, you can paste a block of text and it will serve it up to you, one word at a time. You can change the size of the text box, a number of words you see at a time, font background color and measure your speed (in words per minute). You can also use keyboard shortcuts to play pause, restart and so on.
Link : https://www.spreeder.com/

Pdfunlock.com is super helpful if you want to make changes to a protected PDF. Once you enter the password, you will get an unprotected PDF to download. The service is free -if you find it useful, you can donate a little via PayPal. The site offers other PDF-related services that do exactly what the same suggests: pdfmerge.com, splitpdf.com, and pdfprotect.net.
Link : https://www.pdfunlock.com/

This is probably the most helpful one in the list as almost every website you visit asks you to sign-up using an email address. Mailinator is a free service that gives you an email address that automatically gets destroyed after a few hours. You can use this email id to activate your account on any website and you don’t have to worry about getting spammed ever in your life.
Link : https://www.mailinator.com/

Like email addresses, you might sometimes need a temporary web page. Disposablewebpage.com lets you create a page without any coding. You are good to go after a simple sign-up. The webpage and all its content will be automatically deleted after 90 days.
Link : https://disposablewebpage.com

The most useful website for access to high-quality video tutorials based on a multitude of fields such as business, software, technology and creative skills.
Link : https://www.lynda.com/