Use Facebook Chat for too long until you have forgotten how to write with proper grammar? Love a girl so much but couldn’t write a love letter without any mistakes?
Don’t worry, with these free essay checkers not even Microsoft Word will laugh at you with those red underlines anymore 
Paper Rater
PaperRater.com is a free tool developed and maintained by linguistics professionals and graduate students. PaperRater.com is used in colleges and universities in over 46 countries to help students improve their writing. There are currently 3 software running on a Linux-based operating system, which are paper grader, vocabulary builder, and plagiarism checker.
For paper grader, all you need to do is to copy and paste your writing in the box below and you can view detailed stats about word choice, grammar and spelling of the text. For vocabulary builder, you can boost your knowledge regarding vocabulary by seeing words in the context of real sentences and learn them by association and by definition. Finally for plagiarism checker, simply copy and paste your text down the box and your result will be analyzed in real time.
Viper
Viper is your best bet to check plagiarism as it scans your work against millions of websites in order to detect plagiarism. What separates it from the competitors is the ability to check the percentage of work found in sources, work made of quotes/matches quotes, and also work that’s considered as a suspect of plagiarism. All of these are highlighted in different colours, so that you can have a check of the errors. You can then rectify any problems that the essay checker has identified, enabling you to deal with any specific problem.
*Some advices by our staff*
- While we are doing our research on this topic, we found out that there are several sites that aren’t transparent with their “free” service. For example, when we went to Grammarly to check out their service, we are intrigued as they have 3 privacy seals on their main page, which isn’t a common thing to see on a site offering free services. We looked around but there isn’t any clarification as of how much does the actual tool cost, not until we signed up for their service and only during the second page of the registration process did we see the pricing of their tools. Here is the breakdown of their pricing:
3 subscription tiers:
- $19.95 for one month
- $39.95 for three months
- $95.45 (sic) for a year
So users, beware of what service you are going to sign up and make sure you read the terms and conditions carefully/check out if they are really free before making any decision.