AirDrop Alternative — Cross-Platform File Sharing That Actually Works

AirDrop is magical when everyone is on an iPhone or Mac — and useless the moment you need to send a file to a Windows laptop, an Android phone, or a colleague on Linux. Google's Quick Share (previously Nearby Share) helps within the Android + Windows ecosystem, but it isn't available on iOS or macOS in the same peer-to-peer way. LocalSend and similar open-source tools work well but require everyone on the same Wi-Fi network and an app install. For the very common real-world case — "I'm on iPhone, she's on Windows, he's remote" — none of the native options work. This guide shows how to use SecureMint as a universal, encrypted, no-install alternative that runs in any modern browser on any platform.

Last updated: April 15, 2026

Send a File Now

SecureMint uses zero-knowledge design. The server cannot read your data.

securemint.app/d/abc123#secret-key

Steps

Open SecureMint /send in whichever browser you have

On your sending device — iPhone Safari, Android Chrome, Windows Edge, Mac Safari, Chromebook, whatever — go to securemint.app/send. Nothing to install, no account needed.

Drop or pick the file you want to share

Drag-and-drop on desktop, or tap the file picker on mobile (which will let you choose from Photos, Files, or your cloud provider). The file is read into the browser — nothing is uploaded yet.

Encryption happens in the browser before upload

SecureMint encrypts the file with AES-256-GCM locally and only uploads ciphertext. Set an optional passphrase and a download limit. This is the key difference from AirDrop: your transfer goes over the internet but the server can't read your data.

Copy the generated link and send it however you like

After upload, you get a URL (and optionally a QR code). Share it via iMessage to iPhone, SMS to Android, email to Windows, Slack DM, Telegram — the link is platform-neutral. The recipient doesn't need any SecureMint account.

Recipient opens the link in their browser and downloads

They tap the link, enter the passphrase if you set one, and the file downloads to their device — iPhone Files app, Android Downloads, Windows desktop, Mac, Linux, anywhere. Same workflow on every OS.

Why It's Secure

AirDrop encrypts transfers between Apple devices, but it requires both sides to be Apple and in proximity. SecureMint gives you encryption plus global reach without the Apple lock-in.
Unlike Quick Share, Nearby Share, or LocalSend, SecureMint does not require shared Wi-Fi, Bluetooth pairing, or an app install — it works over cellular data, through NAT, and across continents.
Zero-knowledge means the SecureMint server cannot read your file content. Even if a transfer server were seized, attackers would see only ciphertext.
Download limits and auto-expiry replicate AirDrop's "ephemeral" feel — you can set the file to delete after one download or after 24 hours.
Because the link itself is the recipient's entry point, you can revoke access by deleting the send from your dashboard (or it auto-expires), unlike a raw file that has already landed on someone's device via Bluetooth.

Platform support matrix

Here is every major option for ad-hoc file sharing, compared across the dimensions that actually matter when you don't know in advance what device the recipient is using. The highlighted row is the only approach that works in every column without a caveat.

Tool	iOS	Android	Windows	macOS	Linux	Works over the internet	No app install	Encryption
AirDrop	Yes	No	No	Yes	No	No — proximity only	N/A	TLS between Apple devices
Quick Share / Nearby Share	Limited (latest Pixel only)	Yes	Yes	No	No	No — proximity only	N/A	TLS within the ecosystem
LocalSend	Yes	Yes	Yes	Yes	Yes	No — same Wi-Fi only	No — install required	Local TLS
Email attachment	Yes (small files)	Yes (small files)	Yes (small files)	Yes (small files)	Yes (small files)	Yes	Yes	Server-side only (not E2E)
SecureMint /send (this guide)	Yes	Yes	Yes	Yes	Yes	Yes	Yes — any browser	AES-256-GCM, zero-knowledge

What AirDrop actually does (and what it doesn't)

Apple's own security documentation explains that AirDrop uses Bluetooth Low Energy for device discovery and a peer-to-peer Wi-Fi channel for the actual file transfer, with the connection encrypted via TLS after both devices exchange iCloud identity certificates. It is a well-designed protocol — for the situation it was designed for. The situation it was designed for is "two Apple devices within wireless range."

Three things fall outside that design. First, any non-Apple device: the protocol is proprietary and unlicensed, so Windows, Android, and Linux simply cannot receive AirDrop. Second, any remote recipient: AirDrop requires physical proximity and does not traverse the internet. Third, any workflow that needs auditability — AirDrop produces no delivery receipt, no expiry, no download log. For ad-hoc sharing inside the Apple ecosystem it is fine; for cross-platform or asynchronous work it leaves you stuck.

The approach in this guide keeps AirDrop's "just works" feel for the sender while trading proximity for an encrypted link. The link is platform-neutral, the payload is encrypted in your browser before upload, and you can set expiry and download limits so the transfer still feels ephemeral.

When to use which tool

If the sender and recipient are both on Apple devices and in the same room, AirDrop is still the fastest option — nothing to type, nothing to install. Use it.

If both sides are in the same Wi-Fi network and you regularly share files across OSes (say, a home office with a Windows desktop, a MacBook, and an Android phone), LocalSend is excellent and worth the one-time install on each device.

If the recipient is remote, or you don't know in advance what device they're on, or you don't want to ask them to install anything, a browser-delivered encrypted link is the only approach that works every time. That's exactly the gap SecureMint /send fills, and it also happens to give you zero-knowledge encryption as a side effect.

Sources

FAQ

Why can't I just AirDrop to a Windows laptop?

AirDrop is a proprietary Apple protocol that relies on Bluetooth LE for discovery and a direct Wi-Fi channel between Apple devices. Apple has not implemented or licensed the protocol for Windows, Android, or Linux, so non-Apple devices cannot receive AirDrop transfers at all.

Isn't Quick Share enough now that the latest Google Pixel can talk to iPhones?

Quick Share's iOS interop is narrow and depends on specific current-generation Pixel hardware plus a nearby iOS device. It doesn't cover most Windows↔iPhone, Mac↔Android, or any Linux scenario. A browser-based link is still the only option that works between every platform combination without forcing a specific vendor or hardware generation.

Doesn't LocalSend do the same thing?

LocalSend is great when both devices are on the same Wi-Fi network and both have the app installed — it's an excellent AirDrop replacement in an office or home. It does not work across the internet, and both sides must install an app. SecureMint complements LocalSend by handling the remote / no-install case.

How big of a file can I send?

Free /send currently handles up to 1 GB per transfer with a 24-hour expiry. Pro expands this to 5 GB and 30 days. If your file exceeds the free limit, split it or compress first, or use the /encrypt page to make a .enc file you can hand off through any other channel.

Is it really as secure as AirDrop?

Different threat models. AirDrop is strong against on-path attackers because it's local Wi-Fi between trusted devices. SecureMint is strong against server-side compromise and insider risk because the plaintext never reaches the server — it's encrypted in your browser before upload. For sending to someone outside your room, SecureMint's zero-knowledge model is generally the safer choice; for two iPhones on the same table, AirDrop is simpler. Use whichever fits the situation.