Compare PDF

Compare two PDF files. Find differences

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About Compare PDF

Comparison PDF is a free online application that allows to compare PDF documents online. It is powerful and easy to use with an intuitive interface.

To compare PDF files online, select the source file and the file you want to compare with the source one. Then click the “Compare” button. Your PDF documents will be sent to the server.

The server will sequentially read the lines in the original PDF document and compare them with the second one in PDF format. If the text in the second document differs, it will be highlighted in the original document. Please note that the application “Compare PDF” is case-sensitive, i.e., 'Hello world' and 'Hello world' are the same lines, but 'Hello world' and 'Hello World' are different lines and only the word 'world' in the original document will be highlighted. This is important because semantically these texts are the same, but in terms of identity, these texts are different.

This application allows to detect the changes that have been done in the document, without wasting time on a detailed comparison of the original text and the text of the changed document.

The application for comparing documents of PDF formats works online via any popular browser, on any popular operating system (Windows, macOS, Linux, Android, etc.). All files are processed on our servers, so you don’t need to download and install additional software. Your documents are stored in Aspose secure storage for 24 hours, and then automatically deleted. To delete your documents immediately, click the “Delete” button in the window for result downloading.

We are constantly working to improve Comparison PDF and would like to listen to your feedback. You can write your opinion using the feedback form on the website or in our official groups in social networks.

#01
Enter Aspose.PDF Free Application website
Open your browser in PDF free application web site and go to Comparison tool.
#02
Upload files
Click inside the file drop area to upload your PDF files or drag & drop a PDF files.
#03
Perform the comparison
Click the 'COMPARE' button to start comparison of both files.
#04
Get the results
Instantly download, view or send output file as an email.
#05
Take care about storing results
Note that file will be deleted from our servers after 24 hours and download links will stop working after this time period.

FAQ

❓ How can I compare two PDF documents?

First, you need to add files for compare: drag & drop your PDF files or click inside the white area for choose a file. Then click the 'Compare' button. When compare PDF documents is completed, you can download your result files.

⏱️ How long does it take to compare PDF?

This Diff tool app works fast. You can compare PDF in a few seconds.

🛡️ Is it safe to compare PDF using free Comparison tool?

Of course! The download link of result files will be available instantly after compare. We delete uploaded files after 24 hours and the download links will stop working after this time period. No one has access to your files. This PDF diff tool is absolutely safe.

💻 Can I use PDF diff tool on Mac OS, Android or Linux?

Yes, you can use free Comparison app on any operating system that has a web browser. Our PDF diff tool works online and does not require any software installation.

Features

Fast and Easy Document Comparison
Upload your documents and click on “COMPARE” button. You will get the word-file as soon as the comparison is performed
Compare Documents from Anywhere
It works from all platforms including Windows, Mac, Android and iOS. All files are processed on our servers. No plugin or software installation required for you
Comparison Quality
All files are processed using Aspose APIs, which are being used by many Fortune 100 companies across 114 countries.