Dev tools · alternatives · 2026

24 alternatives to Phasm

Hide encrypted messages inside ordinary photos

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1
SpeakingJpg – Hide encrypted text messages inside jpeg images▲34
A nonsense way to hide encrypted text messages inside jpegs - WolframHempel/speaking-jpg
2017 · github.com · its alternatives →
2
Secure Web World▲62
Hide your private WhatsApp sections and get deleted messages
2022 · chromewebstore.google.com · its alternatives →
3
WhatsApp Status▲260
An encrypted Snapchat Stories clone
2017 · blog.whatsapp.com · its alternatives →
4
Crypton.sh - SMS▲85
Secure Anonymous SMS in the cloud (and a phone number)
2018 · crypton.sh · its alternatives →
5
Cipherly▲15
Encrypt, disguise and hide messages — 100% offline
Jul 2026 · github.com · its alternatives →
6
Secret Message App▲2
Secure & Stealthy Messaging
Mar 2026 · play.google.com · its alternatives →
7HS
Hide Secret Messages In Facebook Photos With My Chrome Extension▲153
2013 · owencampbellmoore.com · its alternatives →
8
StealthChat - Private Messaging▲66
Encrypted calls and chats
2017 · its alternatives →
9
Cipheroji▲185
Encrypting text to emoji
2024 · sergeykushner.github.io · its alternatives →
10
Encrypt and hide files inside images▲208
Simple C++ Image Steganography tool to encrypt and hide files inside images using Least-Significant-Bit encoding. - 7thSamurai/steganography
2022 · github.com · its alternatives →
11
AroCrypt▲127
Encrypt files, then make them vanish inside images
2025 · arocrypt.vercel.app · its alternatives →
12
Stealthy.IM▲105
Text friends without Google or Facebook snooping
2018 · stealthy.im · its alternatives →
13
Covert▲3
Local-first invisible encryption for chats. 🔒
Jun 2026 · covert-app.vercel.app · its alternatives →
14
ChatSecure iOS v4.0 – OMEMO and Signal Protocol▲107
Free and open source encrypted chat for iOS.
2017 · chatsecure.org · its alternatives →
15
Stegmoji▲14
Hide secret messages in plain text using invisible Unicode.
2025 · chinmay29hub-stegmoji.vercel.app · its alternatives →
16
Disposable▲126
A real-time, e2e encrypted ephemeral communication tool
2023 · its alternatives →
17
Encryptochat▲68
True end-to-end encrypted messaging.
2020 · play.google.com · its alternatives →
18
throwaway▲67
Single-use, 1-1, e2e encrypted messaging, in-browser
2022 · its alternatives →
19
Shadowticks▲122
Anonymous messaging, chat in incognito mode, encryption
2023 · its alternatives →
20
DataSafe – Encrypted messages via hotkey▲86
A tiny app to quickly send encrypted messages with a hotkey
2025 · its alternatives →
21
txtninja.xyz▲70
Hide your personal data inside images from those prying eyes
2019 · its alternatives →
22
Anonybox▲3
Java AES-256 Encrypted Mailbox
2020 · github.com · its alternatives →
23
AES Text Encryptor▲2
Protect sensitive text with AES-256-GCM in your browser.
May 2026 · free2tools.com · its alternatives →
24
Steganographically encode messages with LLMs and Arithmetic Coding▲24
Good morning HN! For a while now I have been toying with this idea and now finally have a working prototype. This project allows you to encode secret messages into ordinary looking text by using arithmetic coding with a probability model derived from an LLM. By encrypting the message and then decompressing the encrypted message using the arithmetic coder, you get output which looks just like randomly sampled output from the LLM. Except, it actually encodes your secret messages in the specific choices of tokens. By using authenticated encryption, only a user who knows the key can know that a…
2025 · github.com · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →