Cloud storage is the rare category on this site where almost everyone is honest about being free. The big names all give you a free tier with no card required; none of them is a trial-in-disguise. So the usual hunt for the hidden 🔒 mostly comes up empty here — and the interesting question shifts to two others: how many gigabytes do you actually get for free, and what does the company do with the files you put there? That second question is why this sits in our security category rather than utilities: where your files live, and who can read them, is a privacy decision.
The green badge still means a real free tier you can rely on indefinitely without a card — and the mainstream services clear it. What separates them is space and privacy. The most generous free allowance comes with strong encryption attached; the most useful free tier comes woven into an ad-driven company; and the most seamless one comes with so little free space it practically forces a purchase. We graded them on that honest mix.
How to judge “free” cloud storage
The split that the storage-minded communities argue about isn’t “is it free” — it’s the trade between convenience, space, and privacy, and you can’t max all three for free. The crowd in r/DataHoarder tends to weight raw space and control: how many gigabytes, what happens at the limit, can you trust the files will still be there. The crowd in r/privacy weights the second question hardest: is the storage end-to-end encrypted so the provider literally cannot read your files, or merely “secure” in the sense that the company protects them but can still see them?
That distinction does real work. End-to-end (or “zero-knowledge”) encryption means the provider holds only scrambled data; even they can’t open your files. It’s the strongest privacy posture, and it comes with one honest cost the communities repeat: if you lose your password and there’s no recovery key, the provider genuinely cannot get your files back — because they were never able to read them. The convenience-first services make the opposite trade: easy recovery and slick integration, but the provider can technically access content. Neither is wrong; they’re answers to different questions. So the test for this page is: a real free tier with no card (all clear it), then graded on how much space and how much privacy that free tier actually gives.
Why MEGA leads on “free”
MEGA tops the list on the one axis that varies most: it hands you 20 GB free, the most generous mainstream allowance by a wide margin, and it applies end-to-end encryption by default to what you store. That combination — the most free space and zero-knowledge privacy, with no card — is why it takes the top spot on a page that grades exactly those things. It’s fully cross-platform, with desktop and mobile apps and a complete web client, so it isn’t a stripped-down free tier; it’s the real product with a storage cap.
The honest limits, held at full weight. The encryption model is double-edged: because MEGA can’t read your files, a lost password with no recovery key can mean permanently lost files — the same property that protects you removes the easy “reset and recover” safety net, so the r/MEGA threads are full of reminders to save your recovery key. There are also transfer/bandwidth quotas on the free tier, so very heavy downloading can hit a temporary wall the storage number doesn’t mention. Who it’s not for: people who want frictionless password recovery above all, and anyone who’d rather their cloud storage live inside an ecosystem they already use daily.
The privacy pick, and the convenient ones
Proton Drive is the privacy-first ✅, and the natural choice if “the provider must not be able to read my files” is your top requirement. Every file is end-to-end encrypted, from the Swiss company a lot of people already trust for encrypted email, and it slots into the wider Proton bundle. It gives less free space than MEGA, which is the only reason it sits at #2 on a space-and-privacy page rather than #1 — the privacy is best-in-class. Who it’s not for: people who need a lot of free gigabytes specifically, or who want a built-in office suite for collaborative editing.
Google Drive is the most useful free tier for actually getting work done, and it’s important to say that plainly even though it lands at 🟡. The 15 GB is decent, and the real draw is the built-in Docs/Sheets/Slides suite plus Google’s superb search and sharing — for collaborative document work, nothing else here competes for free. It earns the middle badge for two honest reasons: the 15 GB is shared across Gmail and Google Photos, so it fills far faster than the headline suggests once your inbox and photos count against it, and your files sit inside an advertising-driven company, which the privacy-minded weigh heavily. Who it’s not for (free): privacy purists, and anyone who’ll be surprised when their “15 GB” is mostly eaten by old email.
iCloud is seamless if you live on Apple devices, but it earns a 🟡 that borders on a complaint: the free tier is just 5 GB, small enough that a single iPhone backup can exhaust it, which in practice nudges most Apple users toward paying almost immediately. It’s not a trap — the free tier is real and works — but it’s the stingiest of the big ecosystem players relative to what its own devices need. Dropbox rounds out the freemium group with the most reliable sync in the category and the smallest free allowance on the page at 2 GB, plus a cap on how many devices a free account can link. Both are honest, both are genuinely free, and both are bounded by space rather than by a card.
Where people genuinely disagree
There’s no villain on this page, so the disagreement is purely about what you’re optimising for:
- Most free space, with privacy built in → MEGA (20 GB). The best raw deal.
- The provider must not be able to read my files → Proton Drive. Best free privacy, less space.
- Collaborative documents and search, space be damned → Google Drive (15 GB, shared). The most useful free workspace.
- I live entirely on Apple and just want backup → iCloud, accepting the tiny 5 GB and the near-inevitable upgrade.
- Rock-solid sync above all → Dropbox, accepting only 2 GB free.
A point the communities make that’s worth keeping: there’s nothing wrong with using several free tiers at once. Plenty of people park encrypted archives on MEGA, collaborate in Google Drive, and let iCloud handle their phone — combining free allowances rather than paying for one big plan. It’s a perfectly honest strategy, and for a lot of people it’s enough storage without ever entering a card.