Compare PDF Documents Online

Analyze differences between two PDF documents instantly. Highlight changes, track revisions, and identify variations with our advanced comparison tool.

All Tools

Visual Comparison

Side-by-side document comparison with highlighted differences

Text Changes

Track additions, deletions, and modifications in content

Export Results

Download comparison report with detailed analysis

Compare Your PDF Documents

Upload two PDF documents to analyze differences and track changes

Original Document

Drag and drop your original PDF here

Modified Document

Drag and drop your modified PDF here

Comparison Options

Powerful PDF Comparison Features

Advanced document analysis tools to help you identify every change between PDF versions

Visual Comparison

Side-by-side document comparison with highlighted differences and changes

Text Analysis

Deep text comparison to identify additions, deletions, and modifications

Image Comparison

Compare images, charts, and visual elements between documents

Detailed Reports

Comprehensive analysis reports with statistics and change summaries

Customizable Options

Adjust comparison sensitivity and ignore specific types of changes

Secure Processing

Your documents are processed securely and automatically deleted

Trusted by Professionals Worldwide

Our PDF comparison tool is used by lawyers, editors, researchers, and businesses to ensure document accuracy

10M+
Documents Compared
99.9%
Accuracy Rate
< 30s
Average Processing Time
24/7
Available

How to Compare PDF Documents

Follow these simple steps to analyze differences between your PDF documents

1

Upload Original Document

Select or drag and drop your original PDF document into the first upload area.

2

Upload Modified Document

Add the modified version of your document to the second upload area.

3

Configure Options

Set comparison preferences like sensitivity level and what to compare.

4

Start Comparison

Click compare to analyze differences between your documents.

5

Review Results

Examine the detailed comparison report and download if needed.

Frequently Asked Questions

What types of changes can be detected?

Our tool can detect text additions, deletions, modifications, image changes, formatting differences, and structural changes in your PDF documents.

How accurate is the comparison?

Our comparison engine has a 99.9% accuracy rate and can detect even subtle changes in text, images, and formatting.

Are my documents secure?

Yes, all documents are processed securely and automatically deleted from our servers after comparison.

What file size limits apply?

You can compare PDF files up to 100MB each. For larger files, please contact our support team.

Can I compare password-protected PDFs?

Currently, we support comparison of non-password-protected PDFs. Please remove password protection before uploading.