How To Encrypt Files on Windows with ChASE Free Software

In today’s digital age, ensuring the security and protection of our data has become increasingly important. Encryption is vital to safeguard our privacy and sensitive information from potential threats. In this article, we introduce you to ChAES freeware, a user-friendly software for encrypting and decrypting files on Windows. We will discuss the advantages of using this program, provide step-by-step instructions for installation and usage, and share helpful tips for maximizing the security of your encrypted files.

ChAES is a simple but effective encryption software!

ChAES is a freely available open-source application that has been specifically designed for Windows users to effortlessly encrypt and decrypt their files. The software utilizes the advanced XChaCha20 encryption algorithm as its default option to ensure the utmost security of your data. However, users can also opt for the AES-256 algorithm by simply toggling a switch located on the application’s primary interface.

The user interface of ChAES is refined and particularly intuitive, making it exceptionally easy to use. Users can select the file(s) they want to encrypt, create an encryption password required to decrypt the data, and voila! The encrypted files are generated instantly in the same folder as the original files. If users wish, they can choose to delete the original file and keep only the encrypted file.

One of the key advantages of ChAES is that it is an open-source application, which means that it is completely free to use, and its source code is accessible to everyone. This level of accessibility ensures complete transparency of the software and enables the community to participate in its development.

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ChAES is compatible with the most recent versions of Windows, including Windows 10 and Windows 11. So, if you want to use ChAES to encrypt and decrypt your data, let’s take a closer look at how it works.

How to use ChAES?

Encrypt data with ChAES

1. Download the ChAES software from the project’s GitHub page.

2. Extract the contents of the ZIP archive to a location of your choice.

3. Run the software by double-clicking on the chaes.exe file.

4. Once the program is launched, activate the ” Encrypting ” mode to encrypt files (or “Decrypting” to decrypt).

5. Select the desired encryption algorithm: XChaCha20 (default) or AES-256 by activating the corresponding switch.

6. Drag and drop files to be encrypted into the program interface, or click “ Upload File(s) ” to select them.

Encrypt files with ChAES

7. Enter a password strong enough to encrypt your data. This password will be used for decryption.

Enter an encryption password

8. A new file will be created with an.ENC or.AES extension, depending on the previously chosen encryption algorithm.

Decrypt data with ChAES

1. Launch the ChAES software.

2. From the main interface, click “ Upload File(s) ” to select the file(s) to decrypt .

3. The program will ask you to enter the decryption password. Enter it, then click “ Submit ”.

4. the message “Operation successful” will appear if the password is correct. Your files will then be accessible in the same location as the encrypted file.

What is data encryption used for?

Data encryption is a crucial technique that helps safeguard information by transforming readable plaintext files into an unreadable encrypted version using a specialized encryption algorithm and key. This method is widely employed to ensure data confidentiality, integrity, and authenticity during transit or while stored at rest. As a result, only authorized individuals with the decryption key can access and read the encrypted data.

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Encryption plays a vital role in protecting user privacy and safeguarding sensitive information against various types of cyber threats, such as data breaches, unauthorized access, and data theft. By encrypting data, individuals and organizations can secure their confidential information and protect it from potential attackers who may attempt to exploit vulnerabilities in the system. Encryption is a fundamental security measure that enables secure communication, data storage, and access control, all critical components of any robust security infrastructure.


Indeed, ChAES is an excellent tool for encrypting and decrypting your files on Windows, offering a user-friendly interface and advanced features to protect sensitive data. However, it is important to always follow best security practices to further enhance the security of your data. This includes selecting a strong and unique password, backing up your encrypted files, and regularly updating your software to ensure any potential vulnerabilities are patched. By taking these precautions, you can ensure that your data remains secure and protected against potential threats.

Mohamed SAKHRI
Mohamed SAKHRI

I'm the creator and editor-in-chief of Tech To Geek. Through this little blog, I share with you my passion for technology. I specialize in various operating systems such as Windows, Linux, macOS, and Android, focusing on providing practical and valuable guides.

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