List of the Top 25 Free Encryption Software in 2025

The CLEAR™ Cryptosystem is an encryption software development kit (SDK) validated by FIPS-140-3, specifically created to safeguard files, streaming media, databases, and network communications through innovative and programmable encryption technology. It seamlessly integrates with all contemporary computing systems, offering an effective and straightforward solution for embedding advanced encryption into current security infrastructures. With its Post-Quantum Cryptography (PQC) capabilities, CLEAR™ ensures robust defense against future cybersecurity challenges, allowing you to secure your data with the most powerful encryption techniques available. This system not only enhances data protection but also allows for swift access and communication across various platforms. Key Features: • PQC Encryption Strength (512bit - 10,240bit) • Ultra Low-Latency Streaming (< 11µs / Packet) • Hyperkey™ Technology with embedded ACL • Multi-Factor / Bio-Metric Symmetric Keys • Plug-N-Play Entropy - CSRNG, QRNG, HRNG Benefits: • Pass cybersecurity audits with best-in-class tools • Share data securely via Sharepoint, Dropbox, and similar services • Protect legacy hardware and older network systems • Extend security to files stored in third-party platforms • Ensure lasting protection for long-term data archival needs, making it a comprehensive choice for organizations looking to the future.

QuantaStor is an integrated Software Defined Storage solution that can easily adjust its scale to facilitate streamlined storage oversight while minimizing expenses associated with storage. The QuantaStor storage grids can be tailored to accommodate intricate workflows that extend across data centers and various locations. Featuring a built-in Federated Management System, QuantaStor enables the integration of its servers and clients, simplifying management and automation through command-line interfaces and REST APIs. The architecture of QuantaStor is structured in layers, granting solution engineers exceptional adaptability, which empowers them to craft applications that enhance performance and resilience for diverse storage tasks. Additionally, QuantaStor ensures comprehensive security measures, providing multi-layer protection for data across both cloud environments and enterprise storage implementations, ultimately fostering trust and reliability in data management. This robust approach to security is critical in today's data-driven landscape, where safeguarding information against potential threats is paramount.

Handling secrets and sensitive information requires caution. SharePass presents an ideal solution for organizations seeking to streamline secret management while ensuring everything remains securely stored online or accessible via mobile devices, regardless of location. With SharePass, you can transmit encrypted links between senders and recipients, utilizing a range of customizable settings. These options include limitations on expiration, availability, and IP access, all managed through our innovative platform-independent sharing system. Equipped with advanced encryption and robust security protocols, SharePass prioritizes the protection of your personal data. We do not have access to your confidential information; only those involved in the sharing process are privy to the details. In this age of rampant identity theft, SharePass acts as a safeguard, effectively preventing your data from being compromised or discovered on the dark web by ensuring all traces of it are securely erased. Additionally, SharePass enhances security through support for single sign-on systems like Office365 and Google Workspace, along with multi-factor authentication and Yubikey integration, providing the highest level of protection for your sensitive information. By choosing SharePass, you can have peace of mind knowing your secrets are safe and sound.

Xecrets Ez is an intuitive desktop application designed for encrypting files across Windows, Mac, and Linux platforms. It shares compatibility with AxCrypt by employing the same underlying code but distinguishes itself by prioritizing simplicity and the essential features, making it an excellent choice for personal use at a significantly reduced price compared to AxCrypt. This application operates independently of the Internet, does not require administrative access, and can be run without installation. Users can effortlessly encrypt and decrypt files or make them editable through simple clicks or drag-and-drop actions. Additionally, Xecrets Ez serves as a user-friendly interface for Xecrets Cli, an open-source command-line tool that facilitates encryption, decryption, and secure file deletion. The command-line version is also available for separate download, providing the flexibility to script and integrate with other software applications as needed.

IceIT is a complimentary desktop application that streamlines the process of file encryption while utilizing advanced, quantum-level security measures. For those seeking additional features, IceIT offers commercial solutions that facilitate secure, private networking and seamless file sharing without relying on cloud services. This tool enables users to communicate via email, text, and other common platforms without any security worries. If you're looking to protect your backups effectively, just turn to IceIT for peace of mind! Plus, its user-friendly interface ensures that anyone can encrypt their files quickly and easily.

Tresorit offers a highly secure solution for file sharing and synchronization, enabling users to store, sync, and share their documents from any location at any time. Utilizing end-to-end encryption, Tresorit safeguards your files against potential threats from hackers and internal data breaches. All information is stored in compliance with GDPR regulations within Microsoft Azure Data Centers located in Europe. Users have the ability to control who can edit, add, or view the files they share, and can securely access updated documents through their web browser, desktop, or mobile device. Additionally, files can be shared securely beyond your organization, allowing for a safer alternative to sending unsecured email attachments. With end-to-end encryption, your files remain encrypted until they reach the intended recipient, ensuring that only you and the recipient have access. To facilitate collaboration with external partners, Tresorit provides Content Shield features that further protect your business assets. For more information on these features, visit the Tresorit website. This robust approach not only enhances security but also fosters a collaborative environment while maintaining data integrity.

Proton Mail was established in Switzerland, where all of our servers are situated, ensuring that user data is safeguarded by stringent Swiss privacy regulations. Every email sent is automatically secured through end-to-end encryption, meaning we, too, are unable to read or decrypt your messages. As a result, your encrypted emails are protected from being shared with any external parties. To set up your secure email account, there is no requirement to disclose personal information, and we do not maintain IP logs that could potentially identify your anonymous account. The importance of your privacy is our top priority. We believe that email privacy should be a right accessible to everyone, which is why our code is open-source and basic accounts for Proton Mail are offered free of charge. We encourage users to support our initiative by donating or choosing to upgrade to a premium account. Proton Mail is designed to work seamlessly across all devices without the necessity of additional software installation. For those running a business, Proton Mail Business offers the ability to maintain your professional email address, allowing you to send and receive encrypted communications both internally and externally. Our commitment to privacy and security remains unwavering as we strive to empower users with safe communication options.

How we ensure businesses around the globe remain operational: With a focus on secure backups and smart data insights, Veeam Data Platform is designed to tackle the challenges of contemporary data management. Your information is safeguarded, easily recoverable, and accessible — exactly as it should be. Veeam Data Platform offers a robust yet straightforward approach to data management that transcends mere backup, delivering dependable data protection, coordinated recovery processes, and efficient data handling for organizations. This comprehensive solution empowers businesses to thrive in a data-driven landscape.

Effortlessly create an endless array of email addresses, each associated with its own list of contacts, all while ensuring the privacy of your actual email account. These addresses can be shared freely, keeping your personal email shielded from telecom companies, governmental agencies, and cybercriminals who might seek to surveil your communications. Each virtual mailbox is equipped with advanced 4096-bit GPG and S/MIME encryption keys and certificates, ensuring that every email stored within MsgSafe-io remains secure and encrypted. You also have the option to tailor the encryption settings for every single contact you engage with. Protect your entire family or organization by managing all identities and email addresses linked to your current domain. If you don't yet own a domain, our domain registration services can help you secure one that integrates effortlessly with MsgSafe-io, complete with essential privacy protections. If you have concerns about the privacy of communication services like FaceTime, Skype, Duo, or Hangouts from major companies like Apple, Microsoft, and Google, consider using our secure and private audio and video communication platforms instead. With these tools, you can invite others to join you through a simple browser link, enhancing both your online security and privacy. This approach not only fortifies your communications but also offers peace of mind in a digital age where privacy is increasingly at risk.

Introducing a password manager specifically crafted for collaborative efforts—secure, adaptable, and poised for automation. With the trust of over 10,000 organizations, including Fortune 500 companies, media outlets, government agencies, and military units, Passbolt's servers are built for straightforward setup and management. Designed for enterprise readiness, these servers can be configured to ensure high availability. Users can access Passbolt through their web browsers or mobile devices, with real-time sharing capabilities already in place, and desktop applications expected soon. The JSON API facilitates programmatic retrieval, storage, and sharing of passwords, allowing for large-scale automation via the Passbolt CLI. Real-time access logs enhance monitoring and security. Our commitment to privacy is intrinsic to our operations, aligned with European laws to uphold our principles. The self-hosted source code of Passbolt is protected under an AGPL license, which applies even to the commercial edition, allowing for audit, contributions, and redistribution. This foundational transparency is why countless organizations across diverse sectors choose Passbolt as their password management solution. Ultimately, the collaborative features and robust security measures position Passbolt as a leader in password management for organizations of all sizes.

Protect your sensitive information with AES 256-bit military-grade encryption or secure your files from unauthorized viewing to avoid any invasive scrutiny! With Folder Lock, you can swiftly lock and hide files and folders in just a few seconds. This robust application empowers you to implement password protection, guaranteeing that no one can access your files, folders, or drives without your consent. Once a folder is secured, it vanishes from its original location and can only be accessed through the software interface. Folder Lock acts as a virtual safe, creating secure 'Lockers' for your important data. Picture storing your files in a digital ‘Locker’ that offers more security than a bank vault! Setting up these ‘Lockers’ is a breeze with AES 256-bit encryption. You won’t need to worry about manually encrypting or decrypting files when you wish to view them; simply copy them into the Locker, and they will be automatically secured. Furthermore, Folder Lock features a dual encryption and backup solution, enabling you to seamlessly back up your encrypted ‘Lockers’ online for additional security. This capability not only strengthens your data protection but also provides peace of mind, assuring you that your files are shielded from unwanted scrutiny. By utilizing this tool, you can confidently manage your digital privacy and ensure that your important information remains inaccessible to others.

SAV7 employs AES-256 encryption to secure a variety of file types and generates a vital key required for regaining access to those files. The decryption of these files is completely dependent on having the key file, which means that without it, accessing the original content is unfeasible. This design ensures a robust level of security for your data, as the key file is indispensable for unlocking your information. The AES-256 encryption utilized by SAV7 adheres to the esteemed Advanced Encryption Standard and is celebrated for effectively protecting sensitive data. This technology merges symmetric encryption with strong authentication techniques, such as message authentication codes (MACs), to uphold both the integrity and confidentiality of your data. Globally acknowledged, the AES algorithm is relied upon by governments, financial institutions, and various organizations to safeguard vital information. By using SAV7, you can shield your data from unauthorized access through a sophisticated encryption and authentication framework that aligns with modern security standards. As concerns over data breaches continue to rise, the importance of employing such advanced encryption strategies becomes increasingly significant, ensuring that your sensitive information remains protected in a rapidly evolving digital landscape.

GhostVolt is a privacy application designed to create a safe and collaborative workspace for you and your team. By preventing unauthorized access to your documents, GhostVolt serves as a crucial defense against data breaches and cybercriminals seeking to exploit your files for purposes such as ransomware and extortion. You can manage user permissions effectively through predefined roles or tailor access based on specific file requirements. Additionally, the app allows you to grant or deny access to designated folders at your discretion. With its robust reporting features, you can monitor and export a comprehensive history of each user's activities and the actions taken on any file. Empower yourself to safeguard your information and focus on your projects with the help of GhostVolt, ensuring that your data remains protected and accessible only to those you trust.

Boost the return on investment for the current PIV infrastructure in cross-agency encryption by implementing ZevaCrypt™, a thorough and user-friendly end-to-end encryption solution. Email communication, especially over secure channels, has long presented critical security issues, particularly for individuals responsible for ensuring the enforcement of high assurance credentials like PIV and CAC. As email remains the predominant means of exchanging both sensitive and non-sensitive information, the necessity for secure communication cannot be emphasized enough. Although encrypting emails within a single organization is relatively easy, achieving a seamless encryption process across multiple organizations is far more complex and frequently necessitates manual effort. Current PKI encryption systems often do not meet the required security standards, as they typically fail to validate certificate policies as intended. It is important to recognize that effective encryption must combine strong identity verification with sophisticated cryptographic methods. In this regard, PKI encryption stands out as the only viable approach that can achieve this vital integration of objectives, thereby ensuring that sensitive communications are adequately protected across different agencies. Ultimately, leveraging ZevaCrypt™ can streamline this process and enhance overall security measures.

Discover a modern approach to sharing that emphasizes user confidence and security, all within a user-friendly platform designed for ease of use. This powerful tool enables users to share, compress, and encrypt files effortlessly through an intuitive interface. You can quickly send files to various locations while enjoying heightened security features, including military-grade encryption and options for time-sensitive sharing. Additionally, you can take advantage of extensive cloud service integrations with providers like OpenStack, SwiftStack, Alibaba, Wasabi, HP, Oracle, Azure, WebDAV, CenturyLink, IONOS, and OVH. Combine multiple PDF documents into a single file for easier storage, compression, or distribution. Streamline your workflow by sharing directly through Slack IM, and efficiently manage files that have been shared via WinZip or ZipShare. Users have the flexibility to open, view, re-share, or delete files as needed, while also tracking Zip files distributed through WinZip or ZipShare. Enhance your communication capabilities by emailing contacts directly from WinZip, pulling in entries from various supported sources into a centralized address book for quick access. This efficient system not only simplifies the sharing process but also significantly boosts productivity in your collaborative projects, making teamwork smoother and more effective. The seamless integration of these tools allows for a more dynamic and organized approach to file management and sharing.

Your files will be entirely shielded from unauthorized access by those who do not possess the correct password. It is advisable to use secure cloud storage solutions or to keep your data safely stored on your personal device. Choose cloud services that feature encryption to protect your documents, images, and other types of content. Make sure that all files, including images and videos, are kept confidential through comprehensive encryption. When you need to share files, you can export encrypted documents and folders, ensuring total confidentiality is maintained. With applications like PureEncrypt, you can encrypt your files and store them in your preferred cloud service. This approach combines security with ease of use, allowing you to access your information from a trustworthy location. Protect sensitive items such as passports and personal records in password-protected vaults. You can create and manage an unlimited number of secure vaults to guarantee that your files stay safe. Additionally, syncing your password-secured vaults from various locations lets you uphold security regardless of your whereabouts. Feel secure about your privacy, as you can remain logged into multiple devices simultaneously, enhancing your accessibility without sacrificing security. Regularly updating your passwords is also a good practice to further bolster the protection of your sensitive data. Moreover, utilizing two-factor authentication can provide an additional layer of security, ensuring that your important information remains secure at all times.

Vaporstream offers a secure environment for private discussions, enabling users to exchange messages that self-destruct while meeting regulatory compliance. You maintain complete control over who accesses your sensitive business information, including the permissions regarding sharing, copying, or saving content, both within your organization and after delivery to intended recipients. The platform combines the convenience of typical mobile applications with the level of privacy, reliability, and functionality that businesses require. Thanks to our advanced content controls and strong security protocols, you can participate in confidential exchanges that disappear while still following essential compliance guidelines. Enjoy the benefits of disappearing messages without compromising on regulatory adherence. You can also effectively manage your records, smoothly integrating them into your current workflows. Our mobile app, along with a desktop client, ensures safe communications even with external collaborators. We emphasize your privacy by allowing you to delete entire conversations rather than just single messages, thus safeguarding the confidentiality of your exchanges. In a world where data breaches are rampant, Vaporstream stands out as a proactive solution for maintaining corporate security and privacy.

Prepare for an audit in less than a day by leveraging Evervault to securely encrypt cardholder information. Evervault integrates effortlessly with various standard processes for handling cardholder data, allowing you to collect PCI data in accordance with requirements for tasks like processing, issuing, and storage. Usually, we can reduce your PCI scope to the SAQ A control set, which is the least complex set of PCI DSS requirements available. Our team will work closely with you to evaluate your system's architecture and provide customized recommendations for implementing Evervault, with the goal of lessening your compliance burden as much as possible. You will be able to set up Evervault according to one of our architecture templates, and we will meticulously verify your integration to ensure it aligns with compliance standards. In addition, we will provide you with a detailed package of PCI DSS policies and procedures, along with our PCI DSS Attestation of Compliance (AoC). To further support your compliance journey, we'll connect you with an auditor who specializes in Evervault's architecture, facilitating a seamless audit experience. This collaboration not only streamlines the compliance process but also enhances your overall data security posture, ensuring that your organization is well-prepared for any future challenges. With our comprehensive support, you can confidently navigate the complexities of PCI DSS requirements.

RMail®, an e-security solution offered by RPost®, emerged as a prominent global leader in the year 2000. Specializing in user-friendly email encryption, RMail provides services that ensure privacy, compliance, legal delivery proof, secure file sharing, email rights management, protection against email impostors, and overall email encryption. The transmission security services provided by RMail are particularly beneficial for professionals and organizations tasked with sending sensitive or consumer-regulated data. These offerings extend beyond the capabilities of standard email and encompass: (a) a simplified and more automated email encryption process for enhanced privacy compliance; (b) a reliable proof record detailing the sender, recipient, and content of each email; (c) confidence regarding the delivery and open status of critical emails that are time-sensitive; (d) a timestamped confirmation of content delivery; and (e) the ability to securely share large files, making RMail an indispensable tool for modern communication needs.

It is essential to secure, manage, and store tokens, passwords, certificates, and encryption keys that play a crucial role in protecting sensitive data, employing methods such as user interfaces, command-line interfaces, or HTTP APIs. By integrating machine identity, applications and systems can be fortified while automating the issuance, rotation, and management of credentials. Utilizing Vault as a trusted authority helps to facilitate the verification of application and workload identities. Many organizations encounter issues with credentials being hard-coded in source code, scattered across configuration settings, or stored in plaintext in version control systems, wikis, and shared drives. To mitigate the risks associated with credential exposure, it is vital to ensure that organizations have rapid access revocation and remediation protocols in place, presenting a complex challenge that necessitates thorough planning and execution. Addressing these vulnerabilities not only bolsters security measures but also fosters confidence in the overall integrity of the system, creating a safer environment for all stakeholders involved. Ultimately, a proactive approach to credential management is key to sustaining trust and protecting sensitive information.

Secure your cloud storage with Cryptomator, which equips you with the keys to safeguard your data effectively. This tool swiftly encrypts all your files, allowing you to upload them to your cloud service while ensuring they remain protected. By using Cryptomator, you take charge of your data's security and privacy. It serves as a user-friendly solution for digital self-defense, enabling you to independently secure your cloud files. Unlike many cloud providers that only encrypt data during transmission or retain decryption keys themselves, which are vulnerable to theft, Cryptomator empowers you with total control over your encryption keys. With the ability to access your files from any device, Cryptomator is not only easy to use but also integrates seamlessly with your cloud service. Its cutting-edge technology employs AES encryption with a 256-bit key length to secure both files and filenames, ensuring high-level protection. Additionally, you can create a password for a specific folder, referred to as a vault, within your cloud for enhanced security. This comprehensive approach makes Cryptomator a vital tool for anyone looking to bolster their digital privacy.

Stop spending unnecessary time searching for API keys that are scattered everywhere or piecing together configuration tools that you don’t fully understand, and put an end to neglecting access control. Doppler provides your team with a centralized point of truth, streamlining the process for the best developers who believe in automating their tasks. With Doppler, locating essential secrets becomes hassle-free, as any updates you make only need to be done once. It serves as your team's unified source of truth, allowing you to neatly organize your variables across multiple projects and environments. Sharing secrets through email, Slack, or git is no longer acceptable; once you add a secret, your team and their applications will have immediate access. The Doppler CLI functions similarly to git, intelligently fetching the relevant secrets based on your current project directory, eliminating the headache of synchronizing ENV files. Implementing fine-grained access controls ensures that you maintain the principle of least privilege, while read-only tokens for service deployment significantly reduce exposure. Need to limit access for contractors to just the development environment? It’s a straightforward task! Additionally, with Doppler, you can effortlessly keep track of your secrets, ensuring your workflows remain secure and efficient.

A user-friendly, standalone encryption solution provides extensive remote control over endpoint encryption keys and security policies for data saved on hard drives, portable devices, and email communications. Employing patented technology, it ensures the safety of data for organizations regardless of their size. ESET Endpoint Encryption complies with FIPS 140-2 standards and utilizes 256-bit AES encryption for robust protection. The installation process is straightforward as it does not require a dedicated server, making it suitable for remote users. Moreover, it facilitates the management of encryption on Windows computers and seamlessly integrates with macOS’s native encryption solution, FileVault, all accessible through a centralized dashboard. With ESET Endpoint Encryption, companies can enhance their security by protecting specific files, folders, virtual disks, or archives. This solution also encrypts emails and their attachments, while controlling access to removable media for selected users, thereby securing data during transfer and reducing the likelihood of data leaks. Furthermore, administrators are empowered with complete management capabilities over licensing, software features, security protocols, and encryption keys from a dedicated ESET Endpoint Encryption console, providing a strong framework for comprehensive data security governance. Overall, this tool significantly strengthens an organization's ability to safeguard sensitive information across various platforms.

Conjurers Encrypter 4, commonly dubbed CE 4, is a powerful and easy-to-use freeware tool aimed at file encryption. This software allows users to securely protect their crucial and confidential information by encrypting both individual files and entire folders. The encryption method effectively converts data into a secret code that cannot be accessed by unauthorized users who lack the necessary secret key. Although CE 4 is primarily used for the protection of sensitive documents, utilizing encryption serves as a reliable strategy to keep your personal information shielded from unwanted scrutiny. Furthermore, once files have been encrypted, they can be transmitted over the internet securely, ensuring that the contents remain unreadable to anyone except the intended recipient, even against threats such as network sniffing. Hence, CE 4 not only bolsters data security but also fosters a greater sense of privacy in digital communications, making it a valuable asset for anyone looking to safeguard their information. This combination of ease of use and strong encryption capabilities makes CE 4 a popular choice among users seeking effective protection for their digital files.

Secure vaults enable the automation and safeguarding of access to credentials, tokens, and keys throughout your DevOps tools and cloud services, ensuring that API keys are managed effectively within your cloud environments. By utilizing these vaults, organizations can enhance their security posture while streamlining access control processes.