Cards & drives to cloud, no laptop in the middle.
Slipstream streams files from SD cards, memory cards, and external drives directly to your Google Drive. No staging copy on your laptop. Every byte verified. Resumable across reconnects.
Three steps. One uninterrupted stream.
Plug in a card or drive, pick a destination on Drive, hit Start. There's no copy-then-sync hop in the middle.
Plug in & pick
Slipstream detects every SD card, memory card, and external drive the moment it's mounted. Pick a folder — or the whole volume — to queue.
Slipstream pipes them
Each file is buffered briefly, hashed with SHA-256, uploaded, then purged. Your laptop disk stays untouched at any size.
Files land in your cloud
Original filenames, byte-for-byte verified. Re-running over an existing folder skips files that are already there.
Stop staging on your laptop.
Most people copy from the drive to their internal disk first, then let a sync client pick it up. That two-step dance breaks in expensive ways.
Card / drive → laptop → maybe cloud
- Internal disk fills up — 256 GB SSDs choke on a single shoot.
- Sync clients re-scan, duplicate, or silently delete on reconnect.
- Wi-Fi blip mid-upload? No resume; restart from zero.
- Manual cleanup loop after every batch.
Card / drive → cloud, in one stream
- Internal disk stays clear. Streamed end-to-end, never staged.
- Picks up exactly where it left off after any interruption.
- Re-runs against an existing folder skip files already there.
- Every byte verified with SHA-256 before purge.
Three failure modes everyone hits.
If you've moved a card's or drive's worth of files to the cloud, you've probably hit at least two of these.
Sync clients hate removable storage
macOS removed the API that let Dropbox and OneDrive watch external volumes — drives and SD cards. Reconnecting one triggers a full re-scan, duplicates, or silent deletes you only notice weeks later.
Browser uploads are fragile
Drag-and-drop uploads don't resume after a dropped connection. Chrome silently caps folder uploads. For anything in gigabytes, a single Wi-Fi blip costs you the whole transfer.
Copy-first eats your disk
The "reliable" workaround — card or drive → laptop → sync client — chews through 256–512 GB of internal storage in batches and lands you in a manual cleanup loop.
Built for transfers measured in tens of gigabytes.
Plug in a card or drive, pick a destination on Drive, hit Start. Everything below runs unattended.
What Slipstream isn't.
For the avoidance of doubt:
One-shot, not a watcher
No background process. Slipstream runs only while you have it open. It does one job, on demand.
No server in the middle
We don't operate a server. Files go from your machine straight to your cloud account using your credentials.
We don't see your data
No analytics endpoint, no telemetry, no back-end. The full data-handling story is in the privacy policy.
Ready to stream?
Free during early access. macOS only for now (universal binary — Apple Silicon and Intel).
Download for macOS