The fastest way to upload large files to Dropbox
Dropbox accepts files up to 2 TB on every platform, but it warns that browser uploads over 375 GB can time out and that mobile uploads may be unreliable. For big footage, upload with the Dropbox desktop app (or an app that uses Dropbox's API) over a wired connection, keep the computer awake, and make sure your plan has room: Dropbox Basic is only 2 GB.
The Dropbox limits that matter
- 2 TB per file on desktop, mobile, web and API, per Dropbox's upload-limitations page (June 2026).
- Browser uploads larger than 375 GB "may cause timeouts or interrupted uploads". Another Dropbox help page puts the web limit at 350 GB, so treat a few hundred gigabytes as the practical ceiling for a browser.
- Mobile uploads of large files "may also be unreliable", in Dropbox's words.
- Storage: Basic (free) is 2 GB on up to three devices, so real footage needs a paid plan.
The fastest reliable way to upload big files
- Use the desktop app, not the website. Dropbox recommends the desktop app or the API for large files, and community moderators note that website uploads can't be resumed.
- Go wired. Your upload bandwidth is the real speed limit. Ethernet beats Wi-Fi for hours-long uploads.
- Keep the computer awake and the app running; Dropbox only syncs while it's open.
- Check the app's bandwidth setting so uploads aren't capped.
- Upload the edit-critical clips first if the editor is waiting, then the rest overnight.
Back up every camera card to Dropbox automatically
Copsy is a free app that does the camera-card version of this for you: it copies the card to your drive, verifies every file with xxHash64 and an ASC-MHL manifest, then uploads that verified copy to Dropbox in the background while you load the next card. Files of 128 MiB and up go through their own resumable upload sessions, so a dropped connection or a Mac restart picks the upload up where it stopped instead of starting the file again. It runs on macOS 13 or later today, with a Windows version coming.
How Copsy backs up cards to Dropbox →
Sending the footage on with Dropbox Transfer
If the goal is to hand files to someone, Dropbox Transfer caps each transfer by plan, and recipients don't need an account:
| Max per transfer | Link expiry | |
|---|---|---|
| Basic (free) | 2 GB | 7 days |
| Plus, Family | 50 GB | 7 days |
| Standard, Essentials, Advanced, Business, Professional | 100 GB | 30 days, or a custom date |
| Business Plus, Enterprise, Replay add-on | 250 GB | 30 days, or a custom date |
From Dropbox's help center, checked October 2026. For bigger deliveries, share a folder link instead. All the ways to send footage to an editor →
Frequently asked questions
Offload your next card for free
Copsy — a free Mac app that copies camera cards to a drive, verifies every file, then backs them up to Google Drive or Dropbox.
Download Copsy for Mac
