Free Paper Checker to Catch Errors Before Submission
Four Checks. One Upload. Zero Guesswork.
Paperpal's paper checker covers every submission-critical review in one seamless workflow.
Plagiarism Check: Guard Your Originality
Check your paper against 99B+ web pages and 200M+ open access articles. See exactly what a reviewer might flag, before you submit.

AI Detection: Identify AI Writing Patterns
Spot text that may read as AI-generated. Get sentence-level insights, review, and refine AI patterns to restore your voice, so you always submit with confidence.

Reference Check: Verify Citation Quality
Find missing, inconsistent, or AI-hallucinated citations in your document. The citation checker evaluates sources across 9+ parameters for accuracy and completeness.

Grammar Check: Polish Text to Perfection
Polish your essay, thesis, or research paper with a grammar checker built for academic text. Improve clarity, readability, and tone in one pass.

One Document Checker, Built for Everyone in Academia
Catch issues before your instructor does
Run every check a journal reviewer would:
Get consistent, academic-grade feedback:

Ensure submission-ready academic writing:
Paperpal's Document Checker Catches What Generic AI Tools Miss
Generic AI tools cover either one of grammar, plagiarism, AI detection. Paperpal goes beyond to cover every submission check for students and researchers.
Paperpal | SciSpace | Jenni | |
Academic-grade language & grammar check | Limited | Limited | |
Plagiarism check | |||
AI content detection | |||
Citation and reference checks | Partial | Partial | |
Full submission readiness workflow | Partial | Partial |
Built to Check Any Academic Document
Essays
Research Papers
Theses & Dissertations
Assignments
Run a Free Check
How to Use Paperpal’s Document Checker?

Essays, research papers, theses, dissertations — Word, PDF, and more supported.

Run all four assessments at once or choose the specific check you need.

Scan clear, inline suggestions across each check, with context for every item flagged.

Resolve issues directly in Paperpal and download your submission-ready draft.
Paperpal Works Where You Write
No new tabs. No copy-pasting. Just seamless writing support, right where you are.
Students and Researchers ❤️ Paperpal’s Paper Checker
"I have tried a lot of AIs and by far Paperpal has given me what I prefer— high-quality academic writing. It makes fact-checking easy and offers the right writing and editing support needed in the academic domain."

"Paperpal doesn't just edit my writing; it boosts my confidence. With Paperpal, I feel assured that my arguments are well-structured, my language is clear and concise, and my paper meets the high standards of academic publishing."

Frequently Asked Questions
Unlike general writing tools, Paperpal is purpose-built for academic writing and helps researchers, students, and faculty meet the highest quality standards.
Upload your paper to the document checker and run one check or all four with just one click. Paperpal consolidates multiple checks into a single submission-readiness workflow, saving you time while eliminating the need for multiple tools.
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