Free File Comparator to See Email Files Diff

Compare two email files. Upload 2 files (MSG or EML) to see the differences with the online diff tool. Easily see text diffs in emails.

By uploading your files or using our service you agree with our Terms of Service and Privacy Policy.

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Aspose.Email Comparison App is a free web app to compare emails’ contents online from any device and anywhere, you don’t need to install the additional software to compare emails. Use it to see the difference in the emails’ content. Comparison app has an easy to use interface which provides you with basic operations to: navigate email pages, zoom email contents, observe images of the email in the navigation menu, download a whole email’s comparison or the part of an email that you need as image, download the email as an image or as an original file.

Comparison App is a free app provided by Aspose.Email.

Email Annotation App is based on Aspose.Email, which is a powerful and secure emails & message archives processing library for comparing email files. You don’t need any additional software like Outlook, Thunderbird, G Suite or other installed apps to compare emails.

Also take a look at our Cloud approach, if you are interested in the developing high-performance solutions. Email Cloud SDKs provide you with flexible, secure and multi-purpose API to process email files in the Cloud. Cloud maintained almost all mainstream programming languages.

In case you are interested, also take a look at all Aspose.Email products.

Please, feel free to check our powerful Cloud SDKs and other easy-to-use online Apps.

Aspose.Email Comparison

Aspose.Email Comparison

  • Compare emails online without install additional software.
  • See the difference between two emails online.
  • Compare Outlook, Gmail, Apple Mail, Thunderbird files online.
  • Download, view or send output file as an email.
  • Compare EML, MSG, PST, OST, MBOX

How to compare email files

  • Open your browser in Aspose Email free application web site and go to Comparison tool.
  • Click inside the file drop area to upload your document files or drag & drop a document files.
  • Left file drop area is used for original document, right - for changed.
  • Click the "COMPARE NOW" button to start comparison of both files.
  • Instantly download, view or send output file as an email.
  • Note that file will be deleted from our servers after 24 hours and download links will stop working after this time period.
Fast and Easy Document Comparison

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

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.

Compare Documents Quality

Compare Documents Quality

Powered by Aspose.Email. All files are processed using Aspose APIs, which are being used by many Fortune 100 companies across 114 countries.


  • ❓ How can I compare two Email files?
    With Aspose.Email Comparison, you can compare email files. First, you need to add files you want to compare: drag & drop your Email files or click inside the white area to choose a file. Then click the "Compare Now" button. When the comparison of Email files is completed, you can download your result file or see differences online.
  • 🗂 What email formats can I compare?
    Email Comparison works with MSG & EML files.
  • 🛡️ Is it safe to compare Emails using free Aspose Comparison?
    Of course! The download link of result files will be available instantly after comparison. 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. Aspose.Email Comparison is absolutely safe.
  • 💻 Can I compare Emails on Mac OS, Android or Linux?
    Yes, you can use free Aspose.Email Comparison on any operating system that has a web browser. Our Email Comparison app works online and does not require any software installation.
  • ✅ Can I use Aspose.Email Comparison in my projects?
    Absolutely! Aspose.Email provides a high-performance API. Using Aspose.Email you can convert, view, edit and process emails in the way you need. You can use one of its SDKs on your platform or use Email Cloud approach, which is safety, fast and reduces the load on your system.

All Supported Comparisons

You can do comparison of many file formats. Please see the list below.