KURPOD mobile & desktop apps

Hide 1,000 Photos Inside “vacation.jpg”

Your secret files, disguised as innocent documents

  • Tax records become  music_playlist.mp3
  • Crypto keys become  shopping_list.txt
  • 10GB of data fits in one fake image file

XChaCha20 encryption • Self-hosted • Open source

Your sensitive files flow through military-grade encryption, emerging as an innocent image

Watch a quick demo of KURPOD

Introduction

Kurpod

Hide your private files inside ordinary photos and documents. Even if someone finds them, they'll see exactly what you want them to see.

What is Kurpod

A single encrypted blob that stores your files.

Installation

Docker one-liner or 8 MB binary.

Quick Start

Create blob, set password, drag files.

Hidden Volumes

Optional second password, undetectable.

Beta release - expect rough edges.

Hide 1,000 photos inside "vacation.jpg". Store tax records as "music_playlist.mp3". Your secret files, disguised as innocent documents.


Try it in 30 seconds

docker run -p 3000:3000 -v ./data:/app/data ghcr.io/srv1n/kurpod-server:latest
open http://localhost:3000

Or download the binary:

# Auto-install for Linux/macOS
curl -L https://github.com/srv1n/kurpod/releases/latest/download/install.sh | bash

# Then run
kurpod_server

How it works

  1. Drag your files into KURPOD (photos, documents, anything)
  2. Name it something innocent → "Grandma's_Recipe.docx"
  3. Set two passwords:
    • 🔓 Fake Password → Shows harmless content (for nosy people)
    • 🔒 Real Password → Reveals your actual files (only for you)

Someone forces you to unlock it? Give them the fake password. They see recipes. Your real data stays invisible.


Three things to know

Keep itShare itDeny it
Private - files encrypted before server sees themPortable - one blob file to backup/moveHidden - optional 2nd password, undetectable

Technical bits

  • XChaCha20-Poly1305 (256-bit key, 192-bit nonce)
  • Argon2id (64 MiB, 3 passes)
  • 8 MB binary, 30 MB Docker image

Beta limitations

  • Single-user only
  • No built-in HTTPS (use reverse proxy)
  • Plausible deniability isn't magic - adversary can still demand multiple passwords
  • Not audited yet - expect bugs

Get help


Built in Rust. Uses public crypto: XChaCha20-Poly1305 + Argon2id.
Beta release. Back up your blobs.