Dropbox stores files and shares them via link. Flint encrypts, signs and redacts files. People treat them as alternatives; they're complementary.
What Dropbox does well
Storage with sync: files available across devices, with version history.
Sharing via link: link-based access with expiry, password (recent feature), download controls.
Collaboration: comments, requests, integration with Office and Google.
Audit log: paid plans include view/download tracking.
Dropbox excels at access control around files. It treats the files as opaque.
What Flint does well
File-level encryption: AES-256 applied to the PDF itself, browser-based.
Signing: legal-grade electronic signatures with audit trail.
Redaction: removing content permanently, not just hiding.
Page operations: merging, splitting, reordering, deleting pages without leaving the browser.
Flint operates on the file. The file then travels via whatever channel you choose.
The combined workflow
1. Edit and finalise the PDF. 2. Redact sensitive content in Flint. 3. Sign in Flint if execution is required. 4. Encrypt in Flint with a strong passphrase. 5. Upload to Dropbox. 6. Share via expiring link with download tracking enabled. 7. Send the password separately.
Dropbox is the channel; Flint is the file's own armour. Together you have defence in depth.
FAQ
Does Dropbox encrypt files at rest?
Yes — Dropbox uses AES-256 for files at rest in their storage. Your additional Flint encryption protects against compromise of Dropbox itself and adds open-password protection.
Can I sign documents in Dropbox?
Dropbox Sign (formerly HelloSign) integrates signing into Dropbox. Flint's signing is browser-based; pick whichever matches your workflow.
Which is more expensive?
Dropbox has tiered subscriptions. Flint offers tools without subscription for individual use. They solve different cost questions.
Do I need both?
If you're already using cloud storage, Flint adds the file-security layer without changing your storage. They're not competing.
Storage and file-security are different jobs. Use Flint for the file, use your cloud for the share.