Largest Free Cloud Storage Plans Compared

Updated 5 November 2026 · Standard formula, shown below

Among widely available cloud storage services, TeraBox offers the largest free plan by advertised capacity: up to 1 TB (1,000 GB) at no charge. That headline figure comes with important practical limits, however, and availability, terms, and features can change; for a simpler, more familiar free tier, Google Drive, Microsoft OneDrive, and other providers offer smaller allowances.

What “largest free plan” means

A comparison needs to distinguish advertised storage from storage that is straightforward to use. Providers may set limits on individual uploads, downloads, bandwidth, file previews, retention, or account features. Some services also reserve a portion of an advertised allowance for specific types of files or make certain capabilities available only to paying users.

TeraBox is commonly promoted with 1 TB of free cloud storage, putting it ahead of the standard free allocations from mainstream competitors. But “free” does not mean unlimited: the provider’s current terms and app may impose usage restrictions, and the plan can include advertising or prompts to upgrade. Check the current offer in your region before relying on it for important files.

Storage figures can also use decimal units. In everyday marketing, 1 TB usually means 1,000 GB; a device may display a somewhat different figure because operating systems and storage tools can calculate units differently. That display difference does not necessarily mean files have disappeared.

How the main free plans compare

Free allowances change over time and may vary by country, account type, or promotion. The following are useful reference points for commonly offered personal plans, not a guarantee that every account will see identical terms:

TeraBox: advertised free storage of up to 1 TB, with service-specific restrictions and upgrade prompts to review.
Google Drive: 15 GB shared across Google Drive, Gmail, and Google Photos for a personal Google Account. Email attachments and backed-up photos can use the same pool.
Microsoft OneDrive: 5 GB for a free personal account. The allowance is useful for documents and a modest camera backup, but can fill quickly with photos or video.
Dropbox: its basic free plan has historically offered 2 GB, with plan details subject to change. It is known for file synchronization, but its free capacity is comparatively small.
Apple iCloud: 5 GB free, shared among iCloud backups, photos, files, and other iCloud data associated with an Apple Account.

These services do not all solve the same problem. A large archive account is not automatically the best choice for editing shared documents, syncing a laptop, or restoring a phone. Treat storage capacity as one comparison factor, not the whole decision.

What to check before choosing a large free plan

Look beyond the number shown on a signup page. These details determine whether the space is useful for your actual files:

Upload and download limits: Check maximum file size, daily transfer caps, and whether large downloads are throttled or restricted.
Access and sharing: Find out whether you can use a browser, desktop app, or mobile app, and whether shared links have limits or expiration settings.
File handling: Confirm that the service preserves original file quality and supports the formats and folder structure you need.
Account conditions: Read rules about inactivity, account verification, free-plan changes, and what happens if you exceed the allowance.
Privacy and security controls: Review encryption, account recovery, two-step verification, and the provider’s privacy policy. These features differ between services.

For example, 1 TB sounds generous for documents but can be consumed much faster by video. A one-hour recording at 10 GB would use about 1% of a 1 TB decimal allowance; a collection of 100 such recordings would take roughly 1 TB before accounting for other files and overhead.

Free cloud storage is not the same as a backup

Cloud synchronization usually keeps a remote copy aligned with changes on your device. That is convenient, but deletions and unwanted edits can synchronize too. If a file is deleted from a synced folder, the cloud copy may also be removed after a recovery period. Ransomware or accidental overwrites can affect synced files as well, depending on the service’s version history and recovery tools.

For important material, keep another copy that is not continuously synchronized to the same account. A practical approach is to store files on your computer, keep a cloud copy for access and sharing, and periodically make a separate backup to an external drive or another independent destination. Check that you can restore files rather than assuming a successful upload is a complete backup.

How to make free storage last

Before uploading a large library, identify what is actually taking space. Most services provide a storage-use page, and operating systems can help find large folders. Then sort files by size and remove duplicates or material you no longer need.

Check which services share one storage quota. Gmail, photo backup, and Drive files may all count toward the same Google allowance, for example.
Empty the provider’s trash or recently deleted folder when you are certain you do not need those files. Deleted items may continue to count until they are permanently removed.
Move archives and large videos to a suitable separate drive if you do not need them available online every day.
Review automatic camera uploads and device backups. These can quietly use space, especially when videos are included.
Keep a note of where each important file lives so that freeing space does not turn into accidental loss.

Compressing files can reduce the size of some documents and folders, but it does not always help with already-compressed formats such as many videos, JPEG images, and music files. Do not reduce image or video quality unless that trade-off is acceptable.

When a smaller provider may be the better choice

A smaller free tier can be more convenient if it fits your existing devices and workflow. Someone who uses Google Docs may value Drive integration more than a much larger account elsewhere. An iPhone user may prefer iCloud for device backups, while a person working in Microsoft Office may find OneDrive simpler for document synchronization.

Also consider the cost of switching later. Moving a large collection between providers can take time and bandwidth, and shared links may stop working when files move. Before choosing a free plan as a permanent archive, consider whether you can export your data and whether paid storage is affordable if your needs grow.

Frequently Asked Questions

Which cloud storage gives the most free space?
TeraBox is commonly advertised with up to 1 TB free, the largest headline allowance among widely available personal cloud-storage plans. Review current terms and usage limits because offers can change.

Is TeraBox’s 1 TB free storage really usable?
It is an advertised free allowance, but the experience may include restrictions, advertisements, or upgrade prompts. Check the current upload, download, privacy, and account terms for your region before storing essential files.

Is Google Drive’s free storage 15 GB?
A personal Google Account commonly includes 15 GB shared across Drive, Gmail, and Google Photos. It is not 15 GB for each service separately.

Can I use more than one free cloud-storage service?
Yes. You can keep separate accounts with different providers, subject to their terms. Organize files carefully, use unique strong passwords, and avoid treating several synced copies as independent backups.

Can a cloud provider delete files from a free account?
Providers set their own inactivity, storage, and account policies, and those policies can change. Read the current terms, keep a separate copy of important files, and sign in periodically if an account’s rules require activity.

Method: the standard formula for this calculation, rounded as each result states. See how the calculators work or report an error.