Best Free Encryption Software of 2025

The CLEAR™ Cryptosystem is a FIPS-140-3 validated encryption SDK designed to secure files, streaming media, databases, and network communications with cutting-edge, programmable encryption technology. Fully compatible with all modern computing platforms, CLEAR™ provides a simple, turnkey solution for integrating advanced encryption into existing security systems. With Post-Quantum Cryptography (PQC) capabilities, it delivers future-proof protection against emerging cybersecurity threats, ensuring your data is secured with the strongest available encryption methods. 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, etc. • Protect legacy gear and outdated network equipment • Extend protection to files in 3rd party portals • Future lasting power - long-term data archival

QuantaStor, a unified Software Defined Storage platform, is designed to scale up and down to simplify storage management and reduce overall storage costs. QuantaStor storage grids can be configured to support complex workflows that span datacenters and sites. QuantaStor's storage technology includes a built-in Federated Management System that allows QuantaStor servers and clients to be combined to make management and automation easier via CLI and RESTAPIs. QuantaStor's layered architecture gives solution engineers unprecedented flexibility and allows them to design applications that maximize workload performance and fault tolerance for a wide variety of storage workloads. QuantaStor provides end-to-end security coverage that allows multi-layer data protection for cloud and enterprise storage deployments.

Secrets and confidential information should be shared with care. SharePass is the perfect solution for businesses who want to automate secret management and keep it all in one place securely online or on your phone - no matter where you're at. SharePass enables you to send encrypted links from sender to receiver with various settings. The settings include expiration restrictions, availability and IP restrictions which can be set through our patent-pending platform-independent sharing system. With its cutting-edge encryption and security measures, SharePass is committed to keeping your personal information safe. We cannot see what your secrets are, the only people who know are the ones sharing them. In this era of identity theft, SharePass will protect you and prevent your data from leaking to the dark web by eliminating all evidence that it was ever there. SharePass supports single sign-on with Office365, Google Workspace, MFA & integration for Yubikeys so maximum security is guaranteed.

Xecrets Ez is a simple desktop application that allows you to encrypt files on Windows, Mac or Linux. It is compatible with AxCrypt and uses the same code. However, it is less complex, and focuses on delivering only the core functionality without any bells and whistles. It's a great option for personal daily use at a much lower cost than AxCrypt. Xecrets Ez is not dependent on Internet, administrative privileges, or installation. It allows you to encrypt and decrypt files and open them for editing with just a few clicks or drag-and-drop. It is a frontend for Xecrets Cli which is an open-source and free command-line program that handles encryption, decryption, and secure wiping. The command line is also available for download and can be used separately to script and integrate into other software.

IceIT is a free desktop tool designed to make file encryption fast and effortless with cutting-edge, quantum-level security. For users needing more, IceIT provides commercial options that allow secure, private networking and continuous file sharing—no cloud accounts required. With IceIT, you can confidently use email, text, and other familiar communication channels without concern. Want to safeguard your backups? Just IceIT!

End-to-end encrypted file sharing & sync Tresorit is the secure cloud storage and sync place to store, sync, and share files from anywhere, anytime. Tresorit uses end-to-end encryption to protect your files from hackers and internal data breaches. All data is stored in accordance with the GDPR in Europe in Microsoft Azure Datacenters. You can manage who can edit, add, or view the data you share. Securely access the updated files from your browser, desktop or mobile device. Files can also be shared securely outside of your company. Securely share files instead of unsecured attachments to email. End-to-end encryption ensures that nothing leaves your device unencrypted. This means that only you and the recipient can access the files. To ensure collaboration with external parties, use the Content Shield features to protect your Business. Read more here: https://tresorit.com/tresorit-content-shield

Proton Mail was founded in Switzerland, and all of our servers are located there. All user data is protected under strict Swiss privacy laws. All emails are encrypted automatically using end-to-end encryption. This means that even we cannot read or decrypt your emails. Your encrypted emails cannot therefore be shared with any third parties. To create your secure email account, you don't need to provide any personal information. We do not store IP logs that can be linked to your anonymous account. Your privacy is paramount. Email privacy should be accessible to everyone, according to us. Our code is open-source and basic Proton Mail accounts come free. Support the project by donating to it or upgrading to a paid account. Proton Mail is compatible with all devices without the need for software installation. Proton Mail Business allows you to keep your business email address. You can send and receive encrypted email both within and outside your organization.

How we keep businesses worldwide up and running: From secure backups to intelligent data insights, Veeam Data Platform is built to handle the complexities of modern data management. Your data, protected, recoverable, and free — just the way it should be. Veeam Data Platform is a simple yet powerful data management platform that goes beyond backup, providing businesses with reliable data protection, orchestrated recovery, and streamlined data management.

Effortlessly generate an unlimited number of email addresses, each linked to its own set of contacts, while maintaining the confidentiality of your actual email account. You can share these addresses with others, ensuring that your personal email remains protected from telecom companies, governmental entities, and cybercriminals who may want to monitor your communications. Each virtual mailbox comes with robust 4096-bit GPG and S/MIME encryption keys and certificates, guaranteeing that all emails stored within MsgSafe-io are secure and encrypted. You have the capability to customize the encryption settings for each individual contact you interact with. Safeguard your entire family or organization by overseeing all identities and email addresses associated with your existing domain. If you're lacking a domain, our domain registration services allow you to acquire one that seamlessly integrates with MsgSafe-io along with the necessary privacy safeguards. Concerned about the privacy of services like FaceTime, Skype, Duo, or Hangouts offered by major corporations such as Apple, Microsoft, and Google? Opt for our secure and private audio and video communication tools instead, where you can invite others to connect with you via a simple browser link. This way, you can enhance both your security and privacy during online interactions.

Finally, a password manager that is designed for collaboration. Secure, flexible, and ready for automation. Trusted by over 10,000 organizations, including Fortune 500 companies and newspapers as well as governments and military forces. Passbolt servers have been designed to be easy to set up and manage. They are enterprise-ready and can be configured to support high availability. Passbolt is available via your browser or your mobile phone. Real-time sharing is possible. Desktop apps are on the horizon. The JSON API allows you to retrieve, store, and share passwords programmatically. Automate at scale using Passbolt CLI Access logs in real-time. Privacy is part of our DNA, and also in the DNA European laws (to ensure we don't change minds). Passbolt's self-hosted source code is covered by an AGPL license. Yes, even the commercial version. It is free to be audited, contributed to, and redistributed. This is why we have thousands of organizations from all sectors.

Secure your data using AES 256-bit military-grade encryption or conceal your files from unauthorized access to prevent any unwanted scrutiny! With Folder Lock, you can easily lock and hide files and folders in mere seconds. This powerful tool allows you to set password protection, ensuring that no one can access your files, folders, or drives without your permission. Once a folder is locked, it becomes invisible in its original location and can only be retrieved through the software interface. Folder Lock functions like a digital safe, creating secure 'Lockers' for your sensitive information. Imagine safeguarding your files in a digital ‘Locker’ that's more secure than a bank vault! You can effortlessly set up these ‘Lockers’ using AES 256-bit encryption. There’s no need to manually encrypt or decrypt files when you want to access them; just copy them into the Locker, and they will be encrypted automatically. Additionally, Folder Lock provides a two-way encryption and backup solution, allowing you to efficiently backup your encrypted ‘Lockers’ online for added security. This feature not only enhances your data protection but also ensures peace of mind knowing your files are safe from prying eyes.

SAV7 utilizes AES-256 to encrypt various file types and creates a secure key necessary for restoring access to those files. Restoration of encrypted files is strictly contingent on the possession of the key file, making it impossible to decrypt the files without it. This mechanism guarantees a high level of security for your data, as the key file is essential for accessing the original content. The AES-256 encryption method employed by SAV7 is based on the highly regarded Advanced Encryption Standard and is recognized for its effectiveness in safeguarding sensitive information. This technology combines symmetric encryption with robust authentication measures, including message authentication codes (MACs), to ensure the integrity and confidentiality of your data. Renowned globally, the AES algorithm is trusted by governments, banks, and organizations to protect critical information. By implementing SAV7, you can defend your data against unauthorized access with a sophisticated encryption and authentication strategy that complies with contemporary security protocols. With increasing concerns around data breaches, the reliance on such advanced encryption methods is more crucial than ever.

GhostVolt is a privacy App which provides a secure, collaborative working environment for you and your team. GhostVolt stops unauthorised access to all your documents and helps fight against data theft and cybercriminals who want to steal your files and use them for ransomware, blackmail, and other criminal attacks. Control every user's permission with pre-set roles or customize what they can and can't do with every file. Also grant or restrict access to folders of your choice at any time. With powerful reporting tools you can also track and export the complete history of every user action or the history of any file. Take control of your data and get back to work, with GhostVolt.

Enhance the return on investment for current PIV infrastructure in cross-agency encryption by utilizing ZevaCrypt™, a comprehensive and user-friendly end-to-end encryption solution. Email communication, particularly over secure channels, has consistently posed significant security challenges, especially for those tasked with enforcing the use of high assurance credentials like PIV and CAC. Given that email serves as the primary communication method for both sensitive and non-sensitive information, the importance of secure exchanges cannot be overstated. While encrypting emails within a single organization is relatively straightforward, achieving encryption across different organizations remains complex and often requires manual intervention. Existing PKI encryption systems fall short of providing the necessary level of security, as they typically do not validate certificate policies in accordance with their intended design. It is essential to understand that robust encryption must integrate strong identity verification with advanced cryptographic techniques. In this context, PKI encryption emerges as the sole method capable of fulfilling this essential convergence of objectives, ensuring that sensitive communications remain secure across various agencies.

Experience a contemporary method of sharing that prioritizes confidence and security in an easy-to-use platform designed for simplicity. This robust tool empowers users to share, compress, and encrypt files seamlessly through a straightforward interface. Effortlessly distribute files to multiple destinations while benefiting from enhanced security measures, including military-grade encryption and time-sensitive sharing options. Take advantage of expanded cloud services featuring providers like OpenStack, SwiftStack, Alibaba, Wasabi, HP, Oracle, Azure, WebDAV, CenturyLink, IONOS, and OVH. Merge several PDF documents into a single file for convenient saving, zipping, or sharing purposes. Optimize your workflow by sharing directly through Slack IM, and effectively manage files shared via WinZip or ZipShare. Furthermore, users can open, view, re-share, or remove files at their discretion, while keeping track of Zip files shared through WinZip or ZipShare. Enhance your communication by emailing anyone directly from WinZip, incorporating contacts from various supported sources into a unified address book for easier access. This streamlined approach not only simplifies sharing but also enhances productivity across your collaborative efforts.

Your files will remain completely inaccessible to anyone who lacks the correct password. It's wise to either use secure cloud storage or keep your data safely stored on your personal computer. Opt for cloud services that include encryption to safeguard your documents, images, and additional content. Ensure that all your files, including photos and videos, are kept private through full encryption. When sharing files, you can export encrypted documents and folders while maintaining total confidentiality. With tools like PureEncrypt, you can encrypt your files and save them in your chosen cloud storage. By merging security with convenience, you can access your files from a reliable location. Safeguard your sensitive items such as passports and personal documents behind password-protected vaults. Create and manage an unlimited number of secure vaults to ensure your files remain protected. You can sync your password-secured vaults from various locations, allowing you to maintain security no matter where you are. Feel assured about your privacy as you can remain logged into up to ten computers simultaneously, enhancing your ease of access without compromising security. Additionally, regularly updating your passwords can further strengthen the protection of your sensitive information.

Vaporstream provides a secure platform for confidential conversations, allowing users to send messages that disappear while ensuring compliance with regulations. You retain full authority over who can view your sensitive corporate data, including when it can be shared, copied, or saved, both within your organization and after it has been delivered to recipients. Enjoy the ease of standard mobile applications combined with the privacy, reliability, and functionality that your business needs. With our cutting-edge content controls and robust security measures, you can engage in private communications that vanish, all while adhering to necessary compliance standards. Experience disappearing messages without sacrificing regulatory compliance. You can manage your records effectively and seamlessly incorporate them into your existing workflows. Ensure secure communications even with external partners through our mobile application, which is complemented by a desktop client. We prioritize your privacy by enabling you to erase entire conversations, not just individual messages, ensuring that your communications remain confidential.

Achieve readiness for an audit in under a day by utilizing Evervault to securely encrypt cardholder data. Evervault seamlessly integrates with various standard cardholder data processes, enabling you to gather PCI data in compliance for tasks such as processing, issuing, and storage. Typically, we will minimize your PCI scope down to the SAQ A control set, which represents the most streamlined set of PCI DSS requirements. Our team will collaborate with you to analyze your system architecture and offer tailored recommendations for incorporating Evervault, aiming to decrease your compliance obligations as much as possible. You will implement Evervault following one of our provided architecture templates, and we will thoroughly validate your integration to confirm it meets compliance standards. Additionally, we will supply you with a comprehensive bundle of PCI DSS policies and procedures, accompanied by our PCI DSS Attestation of Compliance (AoC). To further assist your efforts, we will connect you with an auditor experienced in Evervault’s architecture, ensuring a smooth audit process. This partnership not only simplifies compliance but also strengthens your overall data security framework.

RMail®, the e-security platform from RPost®, is a global leader in 2000. RMail is a specialist in elegantly simple email encryption for privacy, compliance, legal e–delivery proof secure file sharing, email rights management, email impostor protection and email encryption. RMail's transmission security services are often used by businesspeople and business systems that need to send sensitive or consumer-regulated information. These RMail services can be used for messages that require additional functionality beyond standard email. They include (a) an easier-to-use and more automated email encryption to ensure privacy compliance; (b) a verifiable proof record of who sent what email to whom; (c) assurance and peaceof mind in relation to delivery and open status email of important and time-deadline emails, (d) need to have a timestamped proof that content was delivered; (f) the need to securely share large files.

Ensure the protection, storage, and stringent management of tokens, passwords, certificates, and encryption keys that are essential for safeguarding sensitive information, utilizing options like a user interface, command-line interface, or HTTP API. Strengthen applications and systems through machine identity while automating the processes of credential issuance, rotation, and additional tasks. Facilitate the attestation of application and workload identities by using Vault as a reliable authority. Numerous organizations often find credentials embedded within source code, dispersed across configuration files and management tools, or kept in plaintext within version control systems, wikis, and shared storage. It is crucial to protect these credentials from being exposed, and in the event of a leak, to ensure that the organization can swiftly revoke access and remedy the situation, making it a multifaceted challenge that requires careful consideration and strategy. Addressing this issue not only enhances security but also builds trust in the overall system integrity.

Lock your cloud. Cryptomator gives you the keys to your data. Cryptomator quickly encrypts all your data. After encryption, you can upload your data protected to your cloud service. You can take control of the security and privacy of your data. Cryptomator is an easy tool for digital self defense. It allows you to secure your cloud data independently and by yourself. Most cloud providers either encrypt data only when it is transmitted or keep the keys for decryption. These keys can be stolen or copied and misused. Cryptomator gives you the keys to your data. Cryptomator makes it possible to access your files from any device. It is easy to use and seamlessly integrates with the cloud. Cryptomator's technology is up-to-date and encrypts files and filenames using AES and 256 bits key length. Cryptomator allows you to create a password for a folder (which we call a vault) within your cloud. That's it.

Stop wasting time attempting to find API keys scattered around, or hacking together configuration tools that you don't know how to use, and stop avoiding access control. Doppler gives your team a single source for truth. The best developers automate all the work. Doppler will make it easy to find frequently-used secrets. You only need to update them once if they change. Your team's single source for truth. Your variables can be organized across projects and environments. You can no longer share secrets via email, Slack, email and git. Your team and their apps will instantly have the secret once you add it. The Doppler CLI, just like git, intelligently determines which secrets to fetch based upon the project directory you're in. No more trying to keep ENV files synchronized! Use granular access controls to ensure that you have the least privilege. Reduce exposure by using read-only tokens for service deployment. Access to only development for contractor? It's easy!

An easy-to-use, standalone encryption solution offers comprehensive remote management of endpoint encryption keys and security policies for data stored on hard drives, portable devices, and emails. Utilizing patented technology, it safeguards data for organizations of any size. ESET Endpoint Encryption is validated under FIPS 140-2 standards and employs 256-bit AES encryption. This system does not necessitate a server for installation and efficiently accommodates remote users. It allows for the management of encryption across Windows machines and integrates with native macOS encryption (FileVault) all through a unified dashboard. With ESET Endpoint Encryption, businesses gain enhanced capabilities to secure specific files, folders, virtual disks, or archives. By encrypting emails along with their attachments and limiting access to removable media for designated users, organizations can ensure data protection during transit and mitigate the risk of data breaches. Additionally, administrators maintain complete oversight of licensing, software functionalities, security policies, and encryption keys from a specialized ESET Endpoint Encryption console, offering a robust framework for data security management.

Safeguard and streamline the management of credentials, keys, tokens, and API keys throughout your DevOps tools and cloud environments by utilizing a secure vault solution to enhance security protocols. This approach not only fortifies access control but also simplifies the process of credential management across various platforms.

Conjurers Encrypter 4, often referred to as CE 4, is a robust and user-friendly freeware application designed for file encryption. This tool enables users to effortlessly secure their essential and private information by encrypting both files and folders. The encryption process involves transforming data into a coded format that is inaccessible to unauthorized individuals unless they possess the corresponding secret key. While CE is typically utilized for safeguarding sensitive documents, employing encryption is also an effective means of preventing prying eyes from accessing your personal belongings. Additionally, once files are encrypted, you can send them to others via the internet with confidence, knowing that the information will remain unreadable to anyone except the intended recipient, even in the face of potential threats like network sniffing. Consequently, CE 4 not only enhances data security but also promotes privacy in digital communications.