How to Share Files Across Devices and Download All as ZIP

· Productivity guide · Reading time: 4 min

Moving a single file between your phone and computer is easy. Moving ten files at once usually isn't — you end up emailing yourself, plugging in a USB cable, or downloading items one by one from cloud storage.

This guide shows a faster way: upload any number of files to a private CloudPaste channel, open the same link on another device, and download everything in a single click as a ZIP archive. No accounts, no installs, and it works between any two devices that have a browser.

Why ZIP download matters

When you're sharing more than a couple of files, downloading each one separately is slow and error-prone. CloudPaste's Download All button packages every file in the channel into a single ZIP file in your browser — no server-side compression, no waiting for a backend job. You get one tidy archive that you can save, forward, or extract anywhere.

Step-by-step: share files and download as ZIP

Step 1 — Create a private channel

Go to cloudpaste.io on the device that has the files. A unique URL like cloudpaste.io/#/k7m2x9q1 is generated automatically. Anyone with this link can read and write to the channel — so treat it like a private invite.

Step 2 — Add your files

Click the Files tab. You can add files in several ways:

  • Drag and drop from your desktop or file manager.
  • Click the upload area and pick files using the system dialog.
  • Paste a file straight from your clipboard (handy on macOS and Windows).
  • On mobile, tap the upload area to use your camera, gallery, or document picker.

Each file appears in the list with its name, size, and an upload progress bar. You can keep adding more without losing any of the previous ones.

Step 3 — Open the channel on the other device

You have two easy options:

  • QR code: Hover or tap the QR icon in the toolbar and scan it from your phone.
  • Copy URL: Click the channel URL at the top to copy it, then send it to yourself or paste it into the other browser.

The receiving device opens the same channel and instantly sees the file list — uploads sync in real time over WebSocket.

Step 4 — Download everything as a single ZIP

Above the file list, click Download All. CloudPaste will:

  1. Fetch each file from the channel.
  2. Decrypt them locally if encryption is enabled (and you've entered the password).
  3. Bundle them into a single archive named cloudpaste-files-<channel>.zip.
  4. Trigger a normal browser download.

The button shows live progress like "Preparing ZIP… 3/8" so you know exactly where it is. Original filenames are preserved, including non-ASCII characters such as Chinese, Japanese, or accented letters.

Try it now — no sign-up needed

Open a channel, drop in your files, and grab them all in a ZIP from any other device.

Open CloudPaste →

Common workflows this unlocks

  • Phone → laptop transfer: Send a batch of photos or PDFs from your phone and pull them down as one ZIP on your computer.
  • Quick handoff to a colleague: Drop several design files into a channel, share the link, and let them grab everything in one click.
  • Cross-OS file move: Move files between Windows, macOS, Linux, iOS, and Android without worrying about AirDrop, Nearby Share, or USB drivers.
  • Lightweight backup: Bundle a small set of working files into a ZIP and download a snapshot for archiving.

Works great with end-to-end encryption

If your files are sensitive, click the 🔑 icon to enable encryption and set a password before uploading. Each file is encrypted in your browser using AES-GCM with a key derived from your password (PBKDF2). When you click Download All on the other device, CloudPaste decrypts each file in the browser before adding it to the ZIP — so the resulting archive contains plain, usable files, while the server only ever stores ciphertext.

Want the technical details? See the encryption specification or read our guide on sharing files securely online.

Tips for smooth multi-file transfers

  • Keep files under 10 MB each — that's the per-file upload limit.
  • Use a fresh channel for each transfer so old files don't sneak into the ZIP.
  • Click Clear when you're done to remove all files from the server.
  • Pair with the Images tab if you also need to send screenshots — images have their own gallery and ZIP download too.

FAQ

Is the ZIP created on the server or in my browser?

Entirely in your browser using a small in-page ZIP library. The server never sees a combined archive — it just serves individual files.

Do I need to install anything?

No. Any modern browser on desktop or mobile works. There's nothing to install or sign up for.

Will the ZIP keep my original filenames?

Yes. Filenames are preserved, including Unicode characters. If two files share a name, CloudPaste appends (2), (3), etc. so nothing is overwritten.

Can encrypted files be included in the ZIP?

Yes — as long as the password is entered, each file is decrypted in the browser before being added to the ZIP, so the archive contains usable files.

How many files can I send at once?

There's no hard limit on the number of files in a channel. Just keep each individual file at or under 10 MB.