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Paperpal
AI academic writing assistant for grammar, plagiarism, AI detection, and citations
Paperpal is an AI writing tool built for academic research, combining grammar and consistency checks, a plagiarism checker (99B+ sources), an AI detector, and an AI paraphraser with research tools grounded in 250M+ verified research papers. It generates citations in 10,000+ styles, lets you chat with uploaded PDFs to extract findings for a literature review, and runs 30+ pre-submission checks against the formatting standards of 1,500+ partner journals. It works inline inside MS Word, Google Docs, Chrome, and Overleaf instead of a separate web app.
- Best for
- Researchers, graduate students, and academics preparing journal submissions or theses who need grammar, plagiarism, AI-detection, and citation checks grounded in real research literature, without switching between separate tools.
- Pricing
- Free (200 grammar edits/mo, lite plagiarism/journal-fit reports); Prime from $4.80/mo billed annually ($20/mo billed monthly); Pro from $11.60/mo billed annually ($47/mo billed monthly, unlimited grammar & AI-detection checks) — Enterprise/institution pricing on request
Pros
- Suggestions and citations grounded in 250M+ verified research papers, not generic rewriting
- Works inline in MS Word, Google Docs, Chrome, and Overleaf — no switching tabs
- Combines grammar, plagiarism, AI detection, and citation checks in one subscription
- Free plan lets you try every tool with no credit card required
Cons
- Free plan caps grammar edits at 200/month and only gives lite plagiarism/journal-fit reports
- Unlimited plagiarism and AI-detection checks require the paid Pro tier
- Listed pricing changes often with promotional sales, so the standing list price is easy to misread
Core features
- • Grammar & consistency checker trained on scholarly edits
- • Plagiarism checker against 99B+ sources
- • AI detector
- • AI paraphraser and sentence rewriter
- • Research Q&A and citation lookup across 250M+ papers
- • Chat with uploaded PDFs
- • Citation generator in 10,000+ styles
- • Journal submission readiness checker (30+ pre-submission checks)
- • AI-assisted figure/illustration generation (beta)
Use cases
- 1. Polish grammar and academic tone in a thesis or journal manuscript
- 2. Check a paper for plagiarism and AI-generated content before submission
- 3. Find and cite relevant research papers in the correct citation style
- 4. Chat with uploaded PDFs to extract key findings for a literature review
- 5. Check whether a manuscript meets a specific journal's formatting and language standards
How to use
Install the Paperpal add-in for MS Word, Google Docs, Chrome, or Overleaf (or use the web app), paste or write your draft, then run grammar, plagiarism, AI-detection, or journal-fit checks and accept the suggested edits inline.
Pricing plans
Free
$0/mo
- • 200 edits/mo grammar + consistency
- • Lite plagiarism report, preview AI detection
- • 5/day paraphrase, trim, translate
- • 5/day research Q&A + citation lookup
- • 300 MB library storage
Prime
$4.80/mo billed annually ($20/mo billed monthly)
- • 20,000 edits/mo grammar + consistency
- • 10,000 words/mo plagiarism check
- • 25,000 words/mo AI detection
- • 500/mo research Q&A + citation lookup
- • 2 GB library storage
Pro
$11.60/mo billed annually ($47/mo billed monthly)
- • Unlimited grammar + consistency edits
- • 30,000 words/mo plagiarism check
- • Unlimited AI detection
- • Unlimited research Q&A + citation lookup
- • 10 GB library storage
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Paperpal in our guides and collections
- Best AI Tools for Academic Research & Data Analysis 2026
- Best AI Tools for Students and Self-Learners (2026)
- Best AI Tools for Trustworthy, Fact-Checked Content (2026)
- Best AI Writing Tools for Individual Writers 2026
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