Best Free Cloud Storage Tools in 2026

Cloud storage and collaboration with 15GB free

4.3/5 on Toolradar · 3 reviews

Google Drive is Google's cloud storage and collaboration platform with 15GB free. Seamlessly integrates with Google Docs, Sheets, and Slides for real-time collaboration. Search uses Google's powerful AI to find files by content, not just names. Share files and folders with granular permissions. Mobile apps, desktop sync, and web access keep files everywhere. The cloud storage that billions trust for personal and work files.

Seamless cloud storage for Windows and Microsoft 365

4.4/5 across G2 and Capterra · 23,284 ratings, Sep 2026

OneDrive is Microsoft's cloud storage integrated deeply with Windows and Microsoft 365. Files sync seamlessly across devices with real-time collaboration on Office documents. Personal Vault adds extra security for sensitive files. Features include PC backup, file recovery, and sharing controls. Family and business plans offer generous storage. The cloud storage that comes free with Windows and shines for Microsoft 365 users.

Secure, encrypted cloud storage and private online services

4.4/5 across G2 and Capterra · 1,132 ratings, Sep 2026

MEGA provides a comprehensive suite of privacy-focused online services, centered around secure, encrypted cloud storage. It offers robust tools for individuals and businesses to store, share, and collaborate on files with zero-knowledge encryption, ensuring that only authorized users can access data. Beyond cloud storage, MEGA integrates a VPN service with ad blocking, a password manager (MEGA Pass), and encrypted chat and video conferencing capabilities. Designed for anyone seeking enhanced online privacy and data control, from individual users needing ample free storage to businesses requiring scalable object storage (MEGA S4) and team collaboration tools. MEGA prioritizes user control over data, offering features like granular sharing permissions, password-protected links, and expiring links, all underpinned by end-to-end encryption and GDPR compliance.

Sync files, photos, and data across all your Apple devices

3.5/5 across Capterra and SourceForge · 117 ratings, Sep 2026

iCloud syncs files, photos, and data across Apple devices seamlessly. Users access documents from any device, back up iPhones automatically, and share storage with family members. The service has become essential infrastructure for anyone invested in the Apple ecosystem.

Store, sync, and share files with end-to-end encryption

4.3/5 across G2 and Capterra · 170 ratings, Sep 2026

Proton Drive provides secure, end-to-end encrypted cloud storage, ensuring that only you and authorized individuals can access your files. It's designed for individuals and businesses who prioritize privacy and data security, offering a robust alternative to traditional cloud services. The platform encrypts files, their names, and other metadata directly on your device before they are uploaded, meaning Proton itself cannot access your data. Beyond secure storage, Proton Drive includes features like file sharing with password protection and expiry dates, automatic mobile backups for photos and videos, and desktop file syncing across Windows, macOS, Android, iOS, and web apps. It also integrates Proton Docs and Proton Sheets for private online document and spreadsheet editing and collaboration, protecting your work from data exploitation and AI training. Based in Switzerland, Proton Drive benefits from strict European privacy laws and is open-source, with its code regularly audited by independent experts.

Secure cloud storage with lifetime plans and advanced encryption.

4.3/5 across SourceForge and G2 · 353 ratings, Sep 2026

pCloud offers secure cloud storage for all your files, emphasizing ease of use and robust security features. It allows users to store, access, and share files from any device, ensuring data is protected with client-side encryption. This service is ideal for individuals and businesses looking for a reliable and private cloud solution, particularly those who value long-term storage options and strong data protection. Key benefits include military-grade encryption for sensitive data, flexible access across multiple platforms, and options for lifetime subscriptions, making it a cost-effective choice for permanent storage needs. pCloud aims to simplify file management while providing peace of mind regarding data security.

One secure, privacy-focused European cloud storage for all your documents and files.

4.5/5 across G2 and Capterra · 76 ratings, Sep 2026

Koofr is a European cloud storage service designed to provide a secure and private environment for storing, syncing, and sharing files. It stands out by emphasizing no tracking, GDPR compliance, and client-side encryption for sensitive data through its 'Vault' feature. Users can consolidate their files from various cloud services like Dropbox, Google Drive, and OneDrive into a single interface, making it easier to manage and search across all their data. The platform offers cross-device compatibility with web, desktop (Windows, Mac, Linux), and mobile (iOS, Android, Huawei) applications, ensuring accessibility from anywhere. Beyond basic storage, Koofr includes features for collaboration on Office documents, automatic mobile media backup, file versioning, and tools for finding duplicate files and analyzing storage usage. It's ideal for individuals and teams who prioritize data privacy, security, and a unified approach to cloud file management, especially those within the European Union seeking GDPR-compliant solutions.

Secure and private email, calendar, and file storage for individuals and teams.

4.3/5 on SourceForge · 67 ratings, Sep 2026

Kolab Now provides a comprehensive suite of secure and private communication and collaboration tools. It offers end-to-end encrypted email, calendar, contact management, and file storage, all hosted in Switzerland under strict data protection laws. The service is designed for individuals and organizations who prioritize privacy and data sovereignty, offering an alternative to mainstream services that may compromise user data. The platform integrates various open-source components to deliver a robust and transparent solution. Users can manage their personal and professional communications, schedule meetings, organize contacts, and store documents securely. It aims to empower users with control over their data, ensuring that their digital interactions remain confidential and protected from surveillance or data exploitation. Kolab Now is suitable for anyone seeking a reliable, privacy-focused digital workspace.

Secure cloud storage with end-to-end encryption for privacy and collaboration.

4.3/5 on G2 · 56 ratings, Sep 2026

Sync.com offers secure cloud storage and internet storage services designed with privacy at its core. It provides end-to-end encryption, ensuring that only users can access their files, making it a trusted solution for individuals and teams who prioritize data security and confidentiality. The platform enables seamless file access from all devices (computers, mobile, web) and facilitates secure sharing and collaboration with internal teams and external partners. Key features include real-time backup and recovery, protection against ransomware and data loss, and the ability to free up local storage with Sync CloudFiles. For businesses, Sync.com offers advanced administrative tools, granular permissions, custom branding for client portals, and compliance with major regulations like SOC 2 Type 1, HIPAA, GDPR, and PIPEDA. It integrates with Windows Explorer, Mac Finder, and Microsoft Office 365, making it a versatile tool for productivity and secure file management.

Private by default, secure by design, and free as in freedom cloud storage and privacy suite.

3.5/5 across G2 and Capterra · 41 ratings, Sep 2026

Internxt offers a comprehensive suite of privacy-focused products, with its core offering being secure cloud storage. It emphasizes zero-knowledge, end-to-end, and post-quantum encryption to ensure that only the user can access their files, not even Internxt itself. The platform is open-source and independently audited, providing transparency and verifiable security. Beyond cloud storage, Internxt provides a range of tools including Antivirus, VPN, Cleaner, Meet, and Mail, all designed with a strong commitment to user privacy. It caters to individuals and businesses who prioritize digital sovereignty and wish to protect their data from surveillance and exploitation by third parties. The service aims to be a European alternative to privacy-light Big Tech services, offering advanced security measures and adhering to strict privacy standards like GDPR. Internxt is for anyone seeking to secure their digital life, from personal file storage and sharing to online communication and browsing. Its focus on cutting-edge encryption, open-source transparency, and independent verification makes it suitable for users who demand the highest level of privacy and control over their data.

Secure, encrypted backups to cloud storage and remote servers

3.9/5 across SourceForge and G2 · 18 ratings, Sep 2026

Duplicati is free, open-source backup software that stores encrypted backups to cloud storage and remote servers. Back up to Amazon S3, Google Drive, OneDrive, Backblaze B2, SFTP, and more. Features include AES-256 encryption, deduplication, incremental backups, and scheduling. Cross-platform support for Windows, macOS, and Linux. Duplicati is completely free with no premium tiers - a powerful backup solution for home users and businesses.

Effortlessly back up, organize, and find your memories

Google Photos is a cloud-based photo and video storage and organization app from Google, available on web, Android, and iOS. It automatically backs up photos and videos, groups them by people, places, and things using AI-based recognition, and offers editing tools, collages, and shared albums. Every Google account includes 15 GB of free storage shared across Photos, Drive, and Gmail; additional storage is purchased through Google One subscription plans. It suits everyday consumers who want automatic backup and easy organization of personal photo libraries across devices, as well as families sharing albums. Search works by describing photo contents (e.g. a location or object) rather than only relying on manual tags, and the app includes basic AI editing features such as Magic Eraser on some devices and tiers.

Online services built on freedom, privacy, federation, and decentralization.

Disroot is a platform offering a suite of online services designed with a strong emphasis on user freedom, privacy, and data control. It provides alternatives to popular centralized services, focusing on open-source software, decentralization, and federation. Users can access secure email, cloud storage, collaborative document editing, instant messaging, and other tools without tracking, ads, profiling, or data mining. Disroot is ideal for individuals and groups who prioritize ethical online interactions, seek to escape 'walled gardens' of proprietary software, and wish to support a community-driven, volunteer-maintained project. It aims to empower users by giving them control over their data and promoting a more independent and interconnected web through federated protocols.

Open-source, end-to-end encrypted password manager with secure note-taking and file storage.

Padloc is an open-source, end-to-end encrypted solution for managing not just passwords, but also sensitive data like credit card details, notes, documents, and license keys. It provides a secure vault for all your digital secrets, accessible across various platforms including Windows, MacOS, Linux, iOS, Android, and web browsers. All data is stored securely in the cloud with end-to-end encryption, ensuring that only you can access your information. Beyond individual use, Padloc facilitates secure sharing of passwords and documents with family, friends, or colleagues through shared vaults. Its open-source nature means its code is publicly auditable, and it has undergone independent security audits, fostering trust and transparency. The platform caters to a wide range of users, from individuals needing basic password management to families, teams, and large businesses requiring collaborative and robust data security solutions.

A unified storage SDK for object and blob backends with a single, honest API.

Files SDK provides a unified JavaScript SDK that simplifies interaction with various object and blob storage providers like S3, R2, GCS, Azure Blob Storage, and many others. It abstracts away the subtle differences between these storage SDKs, offering a consistent API for common operations such as uploading, downloading, listing, and deleting files. This allows developers to swap storage providers without extensive code rewrites. The SDK is designed with web-standards I/O in mind, accepting various data types like File, Blob, ReadableStream, ArrayBuffer, and string. It runs across diverse JavaScript environments including Node, Bun, Workers, and Vercel, essentially anywhere the `fetch` API is available. For advanced or provider-specific functionalities not covered by the unified API, Files SDK offers an "escape hatch" via `files.raw`, providing direct access to the native client for each adapter, complete with type safety. This makes it ideal for developers looking for a streamlined way to manage cloud storage while retaining flexibility for complex use cases.