FileShot vs Transfer.sh: Encrypted File Sharing
— Written by Brendan, Founder of FileShot.io
Quick Comparison
| Feature | Transfer.sh | FileShot |
|---|---|---|
| Free File Size Limit | 10 GB | 10 GB |
| Default Expiry | 14 days | 1 day to unlimited |
| Zero-Knowledge Encryption | No (optional manual GPG) | Yes (automatic, all uploads) |
| Encryption Type | None by default (GPG optional) | AES-256-GCM client-side |
| Interface | Command-line only (curl/wget) | Web GUI, desktop app, browser extension, mobile |
| Open Source | Yes (MIT license) | Encryption library open source |
| Password Protection | No (manual GPG passphrase) | Yes (built-in) |
| Download Limits | Configurable (max-downloads header) | Available on paid plans |
| Built-in Tools | None (file transfer only) | PDF editor, converter, compressor, metadata scrubber, virus scanner, and more |
| Desktop App | No (CLI tool) | Windows, macOS, Linux |
| Browser Extension | No | Chrome Extension |
| P2P Transfer | No | Yes (WebRTC) |
| Encrypted Chat | No | Yes |
Why FileShot Over Transfer.sh?
Transfer.sh is a beloved tool in the developer community. A single curl command uploads a file and returns a download URL. It is elegant, minimal, and open-source. For developers comfortable on the command line, it was the fastest way to share a file.
But Transfer.sh was designed for a specific audience — people who live in terminals. It has no web interface for uploading, no graphical download page, and no built-in encryption. If you need to share a file with a non-technical colleague, a client, or anyone who does not use curl, Transfer.sh is not practical.
Encryption: Manual vs Automatic
Transfer.sh does not encrypt files by default. Your file travels over HTTPS (TLS in transit), but it is stored unencrypted on the server. If you want encryption, you need to manually pipe your file through GPG before uploading: gpg -c file.txt | curl --upload-file - https://transfer.sh/file.txt.gpg. The recipient then needs GPG installed and the passphrase shared through a separate channel.
FileShot encrypts every file automatically with AES-256-GCM in the browser before upload. No manual steps, no GPG installation, no separate key exchange. The decryption key is embedded in the URL fragment, which never touches the server. Recipients click the link and the file decrypts in their browser. Zero friction, zero-knowledge security by default.
Audience and Accessibility
Transfer.sh requires terminal access and knowledge of curl or wget. This limits it to developers and system administrators. You cannot reasonably ask a designer, a lawyer, a healthcare worker, or most business users to use a CLI tool for file sharing.
FileShot provides a full graphical interface: drag-and-drop in the browser, a desktop app for Windows/macOS/Linux, a Chrome extension for quick uploads, and an Android app. Anyone can use it regardless of technical background. The same zero-knowledge encryption that a developer gets through the web app is available to every user on every platform.
File Size and Expiry
Transfer.sh limits uploads to 10 GB and files expire after 14 days by default. FileShot has a 10 GB per-file limit on the free tier (expandable to 300 GB on Creator) and offers configurable expiration from 1 day to unlimited. You choose exactly how long your shared files remain available.
Beyond File Transfer
Transfer.sh does one thing: transfer files. FileShot extends file sharing into a full privacy platform. Beyond encrypted uploads, you get P2P direct transfers via WebRTC (no server storage at all), end-to-end encrypted chat, a PDF editor, file converter, image compressor, metadata scrubber, archive builder, virus scanner, and video downloader. All of these tools process data locally in your browser — nothing touches the server unencrypted.
Who Should Choose FileShot?
If you are a developer who only needs quick CLI file transfers and knows how to add GPG manually, Transfer.sh remains a solid choice. But if you need to share files with anyone — technical or not — and want encryption to happen automatically without manual steps, FileShot is the stronger platform. It is what Transfer.sh would be if it had a GUI, built-in encryption, and a full tool suite.
For encrypted file sharing that anyone can use, try FileShot free or explore our plans.