TODO

Shipped

• Web upload & download

  Send and receive any file in a browser with no install and no login.

• curl upload

  One command, one link.

  curl -F "f=@file.txt" https://send.withcapsule.dev/upload

• CLI tool — Mac, Linux, Windows

  Available via Homebrew, Cargo, COPR, and a shell installer. Supports all server operations plus encrypted transfers and local transfer history.

• Client-side encryption

  Encrypt files entirely on your device using the age v1 format and a 12-word BIP39 mnemonic. Available in the web UI (Encrypt checkbox), CLI (upload-encrypted), and Android app.

• Cross-client interoperability

  Encrypt on the web, decrypt with the CLI. Encrypt with the CLI, decrypt on the web. All clients produce compatible age v1 ciphertext.

• QR code on upload

  Every upload produces a QR code for instant mobile sharing.

• Human-readable file IDs

  Three-word IDs like made-by-sean instead of random hashes. On the Receive tab, spacebar inserts a hyphen so you can type IDs naturally.

• Android app

  Available on GitHub releases ↗. Full feature parity with the web UI including encryption.

• Self-hosting

  Run your own Capsule server and point the CLI at it. Single binary, SQLite, no external dependencies. See the self-hosting guide ↗.

• Open source server (AGPL-3.0)

  Server source code published on GitHub ↗.

• Bandwidth limiting

  2 GB per hour per uploader to keep the service free for everyone.

Coming up

• Android on Google Play Store

  The app is available via GitHub releases now. Play Store distribution is coming.

• iOS app

  An iOS client is on the list.

• Multiple files in one transfer

  Bundle multiple files into a single shareable link.

• In-browser file preview

  Preview images and video in the browser before downloading.

• Delete button in web UI

  Currently available in the CLI via the delete subcommand. Coming to the web interface.

• Custom expiry time

  Choose how long your file is available, shorter or longer than the default 60 minutes.

• Download count display

  See how many times your file has been downloaded.