Web cloud storage: using your files without installing anything

Not everything needs an app. A browser can do most of what people actually want from online cloud storage, and it works on machines where installing software is not an option.

That covers more situations than it sounds. A work laptop with locked-down permissions. A friend's computer when you need a file right now. A library machine. Your own desktop, where installing another background application for something you do twice a month is hard to justify.

This guide covers what a cloud storage web app does well, the one thing it genuinely cannot do, how to upload files online from a computer, and why browser access matters most on the day your phone disappears.

Your account is the same account whichever way you reach it. The browser is a different window onto the same files, not a limited copy of them.

Sign in at your provider's web address and you get your whole library. Everything the phone uploaded is there, in full, and anything you add from the browser appears on the phone shortly afterwards.

The things a cloud storage web app handles well:

• Uploading from a computer. Documents, scans, camera files and anything else that never passed through a phone.
• Downloading in bulk. Pulling a batch of photos onto a desktop for editing or printing, which is painful on a phone and trivial in a browser.
• Browsing a large library properly. A big screen and a mouse beat a phone for finding one file among thousands.
• Reaching files on someone else's machine. Sign in, get the file, sign out.
• Managing and organising. Renaming, moving and clearing out space is faster with a keyboard.

If you want to store files online without committing to an installed app, the browser is a complete answer for all of the above. You can upload files online, access files online and download them again without anything ever being installed.

Reaching cloud storage from browser sessions is often the fastest route to a document, and it means online file storage is available on any machine with a connection rather than only the devices you have set up.

Automatic phone backup needs the app. This is the single real limitation, and it is worth being clear about rather than discovering later.

A browser cannot watch your camera folder in the background. It has no way to notice that you took a photo an hour ago and quietly upload it. Web access is for reaching, uploading and managing files deliberately, not for capturing them automatically.

So the practical division is straightforward. If you want your phone photos protected without thinking about it, install the app on the phone. If you want to reach or add files from a computer, use the browser. Most people end up doing both, because they solve different problems.

For the automatic side, the setup guide covers getting it running on either platform.

The mechanics are short enough to cover in one pass.

• Open your provider's web address in any browser and sign in with the same account you use on the phone.
• Drag files straight onto the page, or use the upload button if you prefer picking them from a dialog.
• Leave the tab open until the transfer finishes. Closing it mid-upload cancels whatever has not completed.
• Check the file appears in your library once it is done.

Whole folders can usually be dragged in one go, which is the fastest way to move an archive from a computer. Large files work the same way as small ones, they simply take longer, and online storage for large files is often more comfortable from a computer than a phone because you can leave it running on a wired connection.

Two things worth knowing. Uploads run while the tab is open, so if you are moving something large, leave the window alone rather than closing it as soon as progress starts. And on a metered connection, remember the browser has no Wi-Fi-only setting to protect you the way the phone app does.

This is where browser access earns its keep, and where a small amount of care is worth applying.

Accessing files from a machine that is not yours is the situation the web app exists for. A few sensible habits:

• Use a private or incognito window. It will not remember your session after you close it.
• Decline any offer to save the password. Browsers ask by reflex on shared machines.
• Sign out deliberately rather than just closing the tab.
• Delete anything you downloaded from that computer's downloads folder before you leave.
• Empty its recycle bin if the file mattered, since a deleted download is often still sitting there.

On a work computer, be aware that IT may have visibility over what passes through the machine. That is a reason to think about which files you pull down on a work laptop, not a reason to avoid browser access entirely.

Whatever account protection your provider offers is worth switching on before you find yourself signing in somewhere unfamiliar. It matters more on borrowed machines than anywhere else.

This is the scenario that makes web access matter more than it appears in ordinary use.

When a phone is lost or stolen, the app on it is unreachable. If the only way into your files were that app, you would have no way of knowing what survived. A browser on any other device is how you find out, and how you start getting things back.

What that actually lets you do:

• Confirm what was backed up before the phone disappeared, which tells you what is genuinely lost.
• Download anything you need immediately, such as a document or a photo of a document, from whatever machine is to hand.
• Sign in on a replacement phone and let your library come back.

None of that depends on the old handset in any way, because the files were never solely on it. That is the difference between a lost phone being a disaster and being an expensive inconvenience.

Personal online storage becomes considerably more useful once both the phone and the computer are pointed at the same account, because it removes the workaround almost everyone falls back on.

That workaround is emailing files to yourself. It half works, and it brings attachment size limits, an inbox slowly turning into a filing cabinet, and genuine uncertainty about which version was the latest one.

With one account reachable from both, a file added on the phone is available on the computer moments later, and a document uploaded from a desktop is on the phone before you have stood up. Access files from phone and computer without deciding in advance which device will need them.

It also means the browser is a reasonable everyday tool rather than an emergency one. Photographing a document on a phone and then working with it on a desktop is a normal thing to want, and it stops requiring any transfer step at all.

The guide to using files across devices goes further into working between Android, iPhone and the web.

Web access does not change what an allowance holds, but people using a browser are often storing different material: documents, scans and camera files rather than a phone camera roll.

Documents are effectively free in storage terms, a few hundred kilobytes each. Photos run 2MB to 5MB. Video is the only thing that seriously consumes an allowance, at 60MB to 100MB per minute of 1080p and 350MB or more for 4K.

Monthly and yearly billing are both available, with details on the features page. For most people storing documents and photos rather than hours of footage, the free tier is the one they stay on.

The questions that come up most often about using cloud storage from a browser.

• Sign into your account in a browser once, before you need it
• Confirm something recent from your phone is visible there
• Use the browser for uploading from a computer and for bulk downloads
• Keep the app on the phone for automatic photo backup, which a browser cannot do
• Leave the tab open until an upload finishes
• On a borrowed machine, use a private window and sign out deliberately
• Clear anything you downloaded from a computer that is not yours

The check worth doing today is the second one. Knowing the browser route works, and that your files are genuinely reachable without your phone, is the whole point of having it.