Invite Your Friends & Both of You Get Rewards !
easy ai detector

Facilitate Content Review

Streamline content review process, identify computer-generated text, and verify work authenticity.
free ai detector

Free Trial Plan Available

Get accurate feedback instantly by uploading your PDF or pasting the text and clicking the button.
ai detector

Fast Detection With Accurate Result

Get accurate feedback instantly by uploading your PDF or pasting the text and clicking the button.

Your file security and privacy are guaranteed.

As a member of the PDF Association, HiPDF has received international authoritative certifications, including ISO/IEC 27001, SSI SECURE, etc. All files uploaded will be permanently deleted within 60 minutes after processing. We are committed to providing users with PDF solutions and ensuring their privacy and file security.

How to detect AI-generated content online for free?

upload pdf

Step 01. Upload PDF File or Paste Text

Upload the PDF file or input the text you want to check.
detect ai content online

Step 02. AI Tool Analyzes Content

Upon uploading, HiPDF will start analyzing your PDF and detecting AI content.
ai detector for pdf

Step 03. Get Results

The AI Detector provides a perplexity score for your text. The lower the score, the more likely it is written by AI.
Detect AI-Content Now

Verify the originality of your text by detecting AI-generated content.

School & Education

Assist educational institutions in upholding academic integrity and standards by detecting plagiarism in students' papers and assignments.

Content Creation

Identify low-quality AI-written content, improve the relevance of your online content, and avoid Google penalties on your website.

Enterprise & Organizations

Determine if your team relies on AI to create content without human work. Ensure you're publishing content for humans and optimize content by humans.
Detect AI-Content Now

FAQs about AI content detector.

AI-generated content can be detected by analyzing language patterns and text structures. HiPDF's AI detector is a powerful tool to detect AI-written content using language processing techniques and machine learning algorithms. Just upload a PDF or input your text to HiPDF, and it will give you detection results instantly.

Many AI content checkers are available in the market, each of which has its own unique features. HiPDF is one of the leading AI content checkers that stands out from the competition due to its user-friendly interface, lightning-fast detection speed, and precise results.

AI content detectors use machine learning algorithms and natural language processing technology to analyze text patterns of content. The AI detector is trained on a dataset of acceptable and unacceptable content examples. Through this training, it can recognize patterns and features that differentiate between the two types of content.

AI detection refers to the use of artificial intelligence algorithms and techniques to identify and recognize particular patterns or objects in text, images, videos, or other data. AI content detector is one of the tools which use AI detection techniques. It uses machine learning algorithms and natural language processing techniques to identify if AI generates the text content.

HiPDF is a top-notch online AI content checker that identifies if the text is written by AI and separates robot words from human-written content. Simply upload the text to HiPDF, analyze the content with one click, and get results in seconds. With HiPDF, you can ensure the authenticity and quality of your written work.

Detect AI-Content Now

Free PDF tools process PDF tasks online.


HiPDF Online Tools quality rating:

4.8 (188,357 Votes)
You have to upload and download at least 1 file to rate!
We've already perfectly processed 313,254,587 files with a total size of 10,124 TB