Privacy Policy

We, at (hereinafter "Diffchecker"), regard the protection and the confidentiality of your data as very important. In this Privacy Policy, we would like to tell you which personal data we collect and what we use it for.

Below, Diffchecker tells you about the type and extent of and the purposes for which personal data are collected and used. You can call up this information on our website anytime.

Collection and Use of Data

Data Entered by Users

You can use the Diffchecker product both with and without registering. However, you can only access Diffchecker using certain terminals such as an iPhone, iPod, iPad, Windows, Mac or Android and without additional functions. In order to make use of all its advantages, you have to register. To do this, you must enter your email address and select a password. We require these data in order to guarantee that you are able to make full use of our entire offer. We need these and possibly other data not least in order to respond to your wishes, questions and criticism.

The central function of Diffchecker product is file comparison. You will be able to use this product both online and offline (with Diffchecker Desktop).

If you use Diffchecker, data and tasks entered may be integrated into a database. Data are transmitted to the respective terminal using SSL encryption so that your data are transmitted securely.

We use personal data in order to enable secure, effective and user-related use of Diffchecker services.

Transfer of Data

We will not transfer your data to third parties as a matter of course without letting you know in advance or asking for your prior permission. We may only transfer your data to third parties without informing you separately beforehand in the following exceptional cases as explained below:

  • If required for investigating the illegal use of Diffchecker or for legal proceedings, personal data will be transferred to the criminal investigation authorities and, if appropriate, to injured third parties. We will only do this if there are concrete indications of illegal and/or abusive behaviour. We can only transfer on your personal data if this is used to enforce General Terms and Conditions of Business or other agreements. We are also legally obliged to give certain public authorities information. These are criminal investigation authorities and public authorities which prosecute administrative offences entailing fines.
  • Occasionally we depend on contractually affiliated external companies and external service providers to supply services such as the supply of advertising measures, processing payments (PayPal, credit card etc.), improving the Diffchecker product, storing your data, and customer service. In such cases, information is transferred to these companies or individuals in order to enable them to process this information further. We carefully select these external service providers and review them regularly to ensure that your privacy is preserved. The service providers may only use the data for the purposes stipulated by us. We also contractually require the service providers to treat your data solely in accordance with this Privacy Policy.
  • In order to further develop our business, we may alter the corporate structure of Checker Software Inc. by changing its legal form. We may also form, sell or buy subsidiaries, divisions or parts of the company. In such transactions, customer information together with the part of the company to be transferred will be passed on. Every time personal data are transferred to third parties to the extent prescribed, Diffchecker will ensure that this is done in accordance with this Privacy Policy and the relevant data protection laws.


Diffchecker provides a newsletter service free of charge. We use the newsletter to inform you about new products and send you general information about Diffchecker. We need your email address in order to send you the newsletter.

Of course you can unsubscribe the newsletter at any time. Every newsletter contains the information on how you can unsubscribe the newsletter with effect for the future.


Diffchecker stores so-called "cookies" in order to be able to offer you a comprehensive range of functions and to make it easier to use our websites. "Cookies" are small files which are stored on your computer with the help of the internet browser. If you do not want to use "cookies", you can prevent "cookies" from being stored on your computer using the corresponding settings on your internet browser. Please note that this may restrict the functional capability and the range of functions of our offer.

Analysis of Diffchecker

Statistical Data

When Diffchecker is used, we collect statistical data which can be traced to you. We use it to improve Diffchecker.

Google Analytics

Diffchecker uses Google Analytics, a web analysis service of Google Inc. ("Google"). Google Analytics uses so-called "cookies", text files which are stored on your computer and which enable you to analyse your use of Diffchecker. The information generated by the cookie on your use of Diffchecker (including your abbreviated IP address) is transmitted to a Google server in the USA and are stored there. Google will use this information to assess your use of Diffchecker, to compile reports on the activities for us and to provide more services connected with use of Diffchecker and the internet. It is also possible that Google may transmit this information to third parties if this is prescribed by law or if third parties process this information on behalf of Google.

You can deactivate Google Analytics by means of a browser add-on if you do not want Diffchecker analysis. You can download this here:

Deleting Your Data

If your data are no longer required for the aforementioned purposes, we will delete them.

Right to Information and Correction

You naturally have the right to receive information about the data held and stored by Diffchecker about you. Equally, you have the right to have incorrect data corrected or blocked. To have this done, please contact:

Amendments to this Privacy Policy

We reserve the right to amend this Privacy Policy. You can call up the current version of the Privacy Policy at any time at: