The Best Essay Graders of 2025 That You Can Use for Free!

• Sep 08, 2025
• 5 min read

• Tags: Academic Writing, Essay

Dread writing an essay? It’s probably one of the toughest aspects of student life. Students worldwide face the difficult task of gathering their thoughts and penning them down on paper to draft an essay that gets them an A. But won’t it be great if you can find out whether your essay is impressive before your teacher grades it? Essay graders can help you do exactly that! 

We have compiled a list of the best essay graders in this article, including some artificial intelligence (AI) essay graders. If you search “ai essay grader free”, you’ll be swamped with options, but here are the 10 best essay graders you can use for free. 

Here are 10 popular essay graders: 

1. PaperRater
2. Class X’s AI Essay Grader
3. Grammarly Free Essay Checker
4. QuillBot’s Free AI-powered Essay and Paper Checker
5. Essay-Grader.AI
6. Perfect Essay Writer.ai
7. ProWritingAid’s Essay Checker
8. EduBirdie’s Essay Grader
9. PlagiarismSearch’s Free Essay Grader
10. Plagiarism Detector.net

Let us review these free essay graders in detail. 

Ten popular essay graders of 2024

1. PaperRater

PaperRater is a free online essay grader that helps students improve their writing by checking essays and papers. It corrects grammar mistakes, including spelling and punctuation. It also gives suggestions to improve word choice and style, providing an overall assessment.

To use the essay grader online, paste your text into their online tool or upload a file, select the right options, and click “Get Report”. The tool then analyzes the text and provides a detailed report with feedback. 

Rating: ⭐ 4.6/5

Best For: Quick grammar and style checks

Features:

• Detects grammar, spelling, and punctuation mistakes
• Suggests better word choice and style improvements
• Generates detailed reports with an overall assessment
• Simple paste-and-check interface

Pricing: Free basic use, Premium at $11.21/month or $71.55/year

2. Class X’s AI Essay Grader

Class X offers a free essay grader where students can paste their essays, stating the class in which they study, along with the essay’s subject line. The tool grades their essay at the click of a button, giving them detailed feedback on the write-up. It also displays the score, showing the “Criteria”, “Score”, and “Explanation” for each element. 

Class X’s premium essay grading services are chargeable but offer extensive services to support the educational endeavors of both students and teachers. With a Premium or Pro membership, you can get rid of advertisements and enjoy multiple benefits, including interactive exercises and media. 

Rating: ⭐ 4.5/5

Best For: Students needing detailed scoring

Features:

• Grades essays by criteria (clarity, structure, grammar, etc.)
• Provides scores with explanations
• Designed for both students and teachers
• Premium unlocks interactive practice & ad-free use

Pricing: Free basic, Premium $72/year, Pro $152/year

3. Grammarly Free Essay Checker

Grammarly’s free essay checker is a great college essay grader that can help you polish your essay before submitting it for your teacher’s final review. All you need to do is paste the content of your essay and check Grammarly’s suggestions. 

The free version masks some suggestions, which are only available through Grammarly Premium. 

Rating: ⭐ 4.8/5

Best For: Everyday grammar & readability checks

Features:

• Detects grammar, spelling, and tone issues
• Suggests conciseness and clarity improvements
• Plagiarism detection is available in Premium
• Browser extension & app integration

Pricing: Free basic, Premium $12/month, Business $15/member/month

4. QuillBot’s Free AI-powered Essay and Paper Checker

QuillBot’s free essay checker is a game-changer for students. Apart from the standard grammar, spelling, and punctuation checks, it offers a suite of benefits to elevate your writing, including detailed feedback. 

Using QuillBot is simple! Paste your content in the space provided upon clicking the “Essay Checker” option, and get suggestions for modifications and language corrections. You can accept or ignore the suggested changes. You can even write your essay on the website directly and have it formatted, too. 

Rating: ⭐ 4.7/5

Best For: Students who also need rephrasing tools

Features:

• AI-powered grammar and punctuation checks
• Style suggestions and detailed feedback
• Write directly in the editor with formatting
• Works with QuillBot’s paraphraser & summarizer

Pricing: Free limited use, Premium $8.33/month (annual plan)

5. Essay-Grader.AI

If you are a teacher struggling to grade essays due to the sheer number of submissions every month, Essay-Grader.AI is your chance to leave the stress behind. Essay-Grader.AI offers a host of services that help teachers perform several key tasks to empower students on their academic journey. 

The platform’s AI-enabled grading tools assist teachers in sharing comprehensive feedback with students. Teachers can focus on student development, offering personalized guidance and instruction through a quality feedback mechanism across various teaching modes.  

While the free version is quite useful and effective, Essay-Grader.AI has Premium and Pro versions.

Rating: ⭐ 4.4/5

Best For: Teachers grading multiple essays

Features:

• AI grading with personalized feedback reports
• Supports up to 250 essays/month (Premium)
• Useful for schools and classrooms
• Helps track student progress with structured reports

Pricing: Free basic, Pro $7.99/month, Premium $12.99/month

6. Perfect Essay Writer.ai

This online essay grader is perfect for high school, college, master’s, and doctoral students. Once you paste your essay into the textbox provided on the platform and hit “Generate”, it will offer a detailed report on how your essay might fare upon submission. 

For a comprehensive assessment of your essays with detailed input on structure, clarity, and grammar, Perfect Essay Writer.ai is a great tool! 

You can also hire a writer using the “Hire Human Writer” option available on the site. These writers take care of formatting, bibliography, and proofreading, among other things. 

Rating: ⭐ 4.3/5

Best For: Detailed essay structure analysis

Features:

• Generates reports on grammar, clarity, and structure
• Suited for high school to doctoral-level essays
• Option to hire human writers for custom essays
• Covers formatting, bibliography, and proofreading

Pricing: Free tool, human writers from $11/page (300 words)

7. ProWritingAid’s Essay Checker

ProWritingAid’s free essay grader gives useful suggestions to help you improve your essay. You can accept or reject these suggestions based on your understanding and judgment. This tool can be added to your browser, too, as an extension. So, you get better grades than before and become a better writer with each passing day—what more could anyone ask for? 

If you are looking for unlimited word count usage, style guide input, citations, unlimited storage capacity, and critique, among other services, the website also offers Premium and Premium Pro packages. 

Rating: ⭐ 4.6/5

Best For: Writers needing in-depth feedback

Features:

• Grammar, style, and readability suggestions
• Works as a browser extension and a desktop app
• Customizable style guides and in-depth reports
• Great for long essays and academic papers

Pricing: Free limited version, Premium $10/month, Premium Pro $12/month

8. EduBirdie’s Essay Grader

EduBirdie is a comprehensive writing platform that offers various services like essay writing, dissertation writing and editing, research paper editing, application essay writing, term paper writing, etc. The site has a very easy-to-use interface, making essay grading a cakewalk. 

Like Perfect Essay Writer.ai, you can hire a human writer. The best part is that you can select one after reading reviews and considering their finished paper numbers. Depending on the writer you select and the writing specifications (word count, essay type, etc.), the platform will charge your account upon placing an order. 

Rating: ⭐ 4.2/5

Best For: Students who may also want writing help

Features:

• Grades essays for grammar, formatting, and clarity
• Easy-to-use interface
• Option to hire human writers/editors
• Supports essays, research papers, and applications

Pricing: Free grading, human writers from $13.99/page

9. PlagiarismSearch’s Free Essay Grader

This free online essay grader allows you to upload files from Dropbox, OneDrive, or your computer, or you can paste content directly into the textbox for analysis. It can help students at different levels, including high school, college, university, master’s, and doctoral. 

Teachers, universities, and organizations will find these services useful and reasonable as they boost productivity. 

The website rates papers from any discipline and offers round-the-clock support. Qualified writers deliver polished documents to ensure your paper receives the best grade possible. 

Rating: ⭐ 4.3/5

Best For: Students needing plagiarism + grading

Features:

• Upload from Dropbox, OneDrive, or directly paste
• Works for high school to doctoral-level essays
• Generates plagiarism + grammar reports
• 24/7 support available

Pricing: Free tool, paid paper analysis from $4.50–$9.50+

10. Plagiarism Detector.net

Plagiarism Detector.net does not place a cap on the number of essays that can be graded on its user-friendly platform. This free online essay grader allows you to grade as many essays as you want and assures the confidentiality and security of your essays by not saving them in its database. 

It checks for issues under the following heads: Consistency and Style, Formatting Errors, Repetition, Misused Words, and Unnecessary Capitalization.

While the platform has paid plans for plagiarism detection, the essay checker feature is free for all users. 

Rating: ⭐ 4.1/5

Best For: Unlimited free essay grading

Features:

• No cap on the number of essays graded
• Checks consistency, style, formatting, and repetition
• Ensures essay confidentiality (no saving in database)
• Paid plans for advanced plagiarism detection

Pricing: Free grading, paid plans from $20/month (72,000 words) 

Why should you use a free essay grader online? 

A Pew Research Center report says that almost 19% of students acquainted with ChatGPT have used it while working on school assignments. So, is it possible to keep AI away from academics? It does not seem so! Besides, AI has been helping students and teachers learn faster and perform better than before. 

AI-assisted teaching and learning might be a good solution, where humans use AI models to improve education. 

Here are some compelling reasons why you should use a free essay grader online:

• • • Feedback mechanism: Free essay graders display detailed feedback. 
    • Objective approach: Free online essay graders offer an unbiased evaluation.
    • Writing skills: These tools help improve your writing skills by suggesting corrections.
    • Time management: Online essay graders help you save essay correction time. 
    • Grammar and style: Essay graders enable you to fix grammar and stylistic errors.

Still worried that your essay might not receive a good grade? Check out PaperTrue’s essay editing and proofreading services and get your essay edited by experts. Here are some other articles that might interest you: 

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