
Free AI Detector for Essays and Papers
Detect AI-written and edited text from ChatGPT, Gemini, Claude, and other AI tools. Review clearly before you submit.
How Does Paperpal AI Detector Review Your Writing?

- Get a three-band AI detection report showing AI-written, human-written, and human-AI blend patterns in your text.
- The overall score gives a quick read of AI involvement, while the breakdown reveals granular insights.
- Hover to review highlighted sentences, refine where needed, and submit with clarity using Paperpal’s AI detection tool.
Why Choose Paperpal’s Free AI Detector?
Trained on Diverse Writing Samples
Built on 100,000+ human and AI scholarly samples from ChatGPT, Claude, and Gemini, Paperpal offers reliable detection that generic AI checkers can’t match.

Reduced False Positives
Paperpal’s multi-model checks reduce false positives by over 40%, so original writing is not judged by a single AI detector score.

Sentence-Level Review
Unlike generic AI detectors, Paperpal highlights edited and paraphrased AI text at the sentence level, not just a binary AI/human label, so you know what to fix before submission.

100% Data Security
Your sensitive academic work stays secure with Paperpal. We don’t store your drafts or use them to train our AI models.

Identify AI Text in Essays, Papers, and More
Use the AI detector for essays to check AI-like text and fix risky sections before you submit.
See where AI may have shaped your manuscript, disclose AI use responsibly, and align with submission guidelines.
Review AI-assisted edits across chapters to ensure the final draft reflects your own ideas and reasoning before submission.
Check student assignments before grading for AI-like patterns to support fair evaluation and responsible AI use.
Got a High AI Detector Score?
Here’s What to Review Next
Understand the AI Score
Review Flagged AI Text
Fix Paraphrased AI Output
Restore Your Writing Style
Document Your Process
Check AI Use Guidelines
Detect AI Text
Go Beyond AI Detection Before You Submit
Plagiarism Checker
Reference Checker
Grammar Checker
Pre-Submission Checker
Why Academics ❤️ Paperpal
Rated Excellent on Trustpilot
"I can't recommend Paperpal enough for teachers. My students can now refine writing and grammar without losing their unique style and I can give efficient feedback so they learn faster. Paperpal has saved time and elevated my classroom assignments."
"Paperpal has revolutionized my writing! It takes my ideas and adds in its magic and makes it so much better. I can't consider working on my writing without the help of Paperpal."

"I write about 5-8 emails per day for the US team. I love how Paperpal makes sentences sound personal, yet academic, unlike ChatGPT, which makes sentences very hard and formal."

"As a researcher and professor, I like Paperpal for its editing quality and comprehensive features for writing and submitting journal manuscripts. I recommend it to my undergraduate and graduate students."

"Paperpal has saved me from grammar mistakes and possible bad grades as a student. It doesn’t make mistakes like Grammarly and has always perfectly edited every essay. I highly recommend Paperpal, it has helped me immensely through high school and college."
"Ever since I’ve been using Paperpal I haven’t received one mark against my grammar. I went from getting B’s on my papers to A’s. Now instead of dreading writing papers, I look forward to it because of Paperpal."

"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."

"Paperpal has increased my productivity and made it easier to finalize ideas and projects. Paperpal also corrects my non-native English to sound professional and academic. I highly recommend it to everyone from students to experienced researchers."

"Paperpal helped me cut down several hours in finding, reading, and verifying research articles. This freed-up time is now better allocated to essential tasks like securing more work and contracts."
"With Paperpal, I can think and write confidently without any reservations knowing that it will articulate my ideas clearly. Paperpal is invaluable for researchers looking to enhance their writing skills and communicate more effectively."

"As a researcher, proofreading with Paperpal's language suggestions comes in handy in ensuring timely delivery of manuscripts and stress-free collaboration with international partners."

"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."

"I was amazed at how Paperpal helped me develop a new research proposal. The Research and Cite features dramatically reduced the time spent on literature search and the detailed editing mode fine-tuned my draft for submission."

"I started using Paperpal for my final year project write up and literature review. It provides academic language changes that no other assistive technology I have used has been able to provide. I would recommend Paperpal to anyone writing essays or papers in an academic setting."
"I can't recommend Paperpal enough for teachers. My students can now refine writing and grammar without losing their unique style and I can give efficient feedback so they learn faster. Paperpal has saved time and elevated my classroom assignments."
"Paperpal has revolutionized my writing! It takes my ideas and adds in its magic and makes it so much better. I can't consider working on my writing without the help of Paperpal."

"I write about 5-8 emails per day for the US team. I love how Paperpal makes sentences sound personal, yet academic, unlike ChatGPT, which makes sentences very hard and formal."

"As a researcher and professor, I like Paperpal for its editing quality and comprehensive features for writing and submitting journal manuscripts. I recommend it to my undergraduate and graduate students."

"Paperpal has saved me from grammar mistakes and possible bad grades as a student. It doesn’t make mistakes like Grammarly and has always perfectly edited every essay. I highly recommend Paperpal, it has helped me immensely through high school and college."
"Ever since I’ve been using Paperpal I haven’t received one mark against my grammar. I went from getting B’s on my papers to A’s. Now instead of dreading writing papers, I look forward to it because of Paperpal."

"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."

"Paperpal has increased my productivity and made it easier to finalize ideas and projects. Paperpal also corrects my non-native English to sound professional and academic. I highly recommend it to everyone from students to experienced researchers."

"Paperpal helped me cut down several hours in finding, reading, and verifying research articles. This freed-up time is now better allocated to essential tasks like securing more work and contracts."
"With Paperpal, I can think and write confidently without any reservations knowing that it will articulate my ideas clearly. Paperpal is invaluable for researchers looking to enhance their writing skills and communicate more effectively."

"As a researcher, proofreading with Paperpal's language suggestions comes in handy in ensuring timely delivery of manuscripts and stress-free collaboration with international partners."

"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."

"I was amazed at how Paperpal helped me develop a new research proposal. The Research and Cite features dramatically reduced the time spent on literature search and the detailed editing mode fine-tuned my draft for submission."

"I started using Paperpal for my final year project write up and literature review. It provides academic language changes that no other assistive technology I have used has been able to provide. I would recommend Paperpal to anyone writing essays or papers in an academic setting."
Frequently Asked Questions
These AI text detectors work by analyzing linguistic patterns, sentence structures, and stylistic features that reveal the likelihood of AI-generated content. They use advanced machine learning models trained on both human- and AI-written text to assign a confidence score showing how likely content was created by AI. This helps writers, educators, and reviewers identify sections that may need reworking or citation before submission.
To assess writing authenticity, ChatGPT detectors typically apply techniques such as classifiers (to predict AI authorship), embeddings (to analyze contextual meaning), perplexity (to gauge predictability), and burstiness (to measure sentence variety). While no AI checker is perfect, tools like Paperpal’s AI detector combine these approaches with academic context awareness, offering more reliable insights to help maintain originality, trust, and ethical writing practices.




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