Back up camera footage to Dropbox on Mac — verified, free

Download Copsy for Mac → · macOS 13+ · no account needed

Why back up footage to Dropbox?

An external drive is the fastest, safest first backup. But a drive can be lost, dropped, or left on set. A second copy in Dropbox gives you off-site redundancy: if the drive fails, your footage is still in the cloud; if you're traveling, an editor or producer can pull the files without waiting for a shuttle drive. For a lot of shooters Dropbox is already the place clients and teams share from, so backing up there means the footage lands where the rest of the workflow lives.

The catch with doing it by hand is that a Finder drag-and-drop to a Dropbox folder doesn't verify anything: a half-uploaded clip or a silently dropped frame won't tell you. Copsy closes that gap by copying and checksum-verifying as part of the same offload.

How Copsy backs up to Dropbox

1. Connect Dropbox once. In Copsy's Settings, connect your Dropbox account through standard OAuth. This is your active cloud destination until you change it.
2. Plug in the card. Copsy detects it by content and recognizes the source: Sony, ARRI, RED, Blackmagic, Canon, drones and audio recorders are all auto-identified.
3. Pick your destinations. Choose an external drive, with Dropbox as the parallel cloud copy.
4. Walk away. Copsy copies to the drive and uploads to Dropbox in parallel, organizes everything by date and source, and verifies each file with ASC-MHL checksums.
5. Get pinged. A Telegram message tells you it finished and verified, nothing lost.

Does Copsy verify the Dropbox copy?

Yes. Copsy verifies copied files with ASC-MHL checksums — the film-set / Netflix-delivery verification standard — so you know each file copied bit-for-bit with nothing lost or corrupted. That's the difference between "I think it uploaded" and "I have a manifest proving it did."

Two practical limits to plan around: the Dropbox upload is bound by your internet speed and by your Dropbox storage quota. A drive copy of a big CFexpress card finishes in minutes; the cloud copy can keep running well after that on a slow connection, and it will stop if Dropbox runs out of space. Make sure your plan has room before a heavy shoot day.

One cloud at a time — Dropbox or Google Drive

Copsy keeps the cloud side deliberately simple: one cloud destination at a time. You can use Dropbox or Google Drive, and you switch by disconnecting the current one in Settings and connecting the other. There is no "copy to both clouds at once" mode. The external-drive copy is independent of this and always runs alongside whichever cloud you have connected, so your local backup never depends on the cloud choice.

How this compares to general backup tools

Pricing and features change — figures above were last verified in June 2026. Check each vendor's site for current details.

Carbon Copy Cloner and ChronoSync are excellent, trusted tools and they do verify with checksums. The honest difference is that they're general disk-backup and sync utilities, not camera-card-aware offload tools — they don't detect a card by its content, they don't write an ASC-MHL media manifest, and they don't organize footage by shoot date and source. For a verified media offload that also pushes a copy to Dropbox, that camera awareness is the part that matters.

Where Copsy stops (honest limits)

Copsy is macOS-only (no Windows), there's no LTO/LTFS tape support, and there are no NLE panel integrations for Premiere or Resolve. On the cloud side, remember it's one destination at a time and the upload is only as fast as your connection and as roomy as your Dropbox quota. If those fit your workflow, the verified drive-plus-Dropbox offload is yours for free.

Frequently asked questions