Why it beats Dropbox. Same zero-knowledge guarantee as the others — the provider can't read your files — with the biggest free allowance, making it an easy no-cost way to stop trusting a provider with your decryption keys.
Dropbox vs MEGA, head-to-head
| Dropbox | MEGA | |
|---|---|---|
| Can the provider read your files? | Yes (holds the keys) | No (zero-knowledge) |
| Zero-knowledge by default | No | Yes |
| Encryption model | Server-side encryption with Dropbox-held keys on core sync; optional end-to-end only on some Teams folders. | End-to-end, zero-knowledge by default; open-source clients. |
| Legal jurisdiction | United States (CLOUD Act applies) | New Zealand. |
| Notable breaches | 2012 breach (~68M credentials), 2024 Dropbox Sign breach, 2022 GitHub repo theft | No major breach reported |
| Free tier | 2 GB | Up to ~20 GB (largest of the privacy-first set) |
| Open source | No | Yes (clients) |
| Independent audits | SOC 2 / ISO (not zero-knowledge) | Open-source clients; periodic third-party review |
Pros
- Zero-knowledge by default; provider cannot read files
- Very large free tier (~20 GB)
- Open-source clients; cross-platform incl. Linux
Trade-offs
- Past corporate-history controversy (early association with Kim Dotcom, since divested) draws some skepticism
- Key-management UX puts recovery responsibility on the user (lose the key, lose the data)
Best for
Users who want a large free zero-knowledge tier and don't need a Dropbox-grade integration ecosystem.
Switching from Dropbox
Generous free tier makes it good for a no-cost trial migration; export from Dropbox and upload, and store your recovery key safely.
Full export & migration guide →MEGA cannot read your files
Sources
Independent editorial comparison; no paid placement and no invented ratings. Facts current as of 2026 — verify current pricing and features before switching. Dropbox Watchdog is not affiliated with MEGA or Dropbox.