ForeverCrypt
ForeverCrypt — quantum-resistant encrypted chat for any app. Swap keys once, then paste short codes through Discord, texts or email. 100% offline.
ForeverCrypt — quantum-resistant encrypted chat for any app. Swap keys once, then paste short codes through Discord, texts or email. 100% offline.
This page is designed to help you find out whether ForeverCrypt is good and if it is the right choice for you.
ForeverCrypt turns any chat box into an encrypted one. You and a friend swap public keys once, then lock each message to each other and paste the short FC1.… code wherever you already talk. Only the private key on each PC can open a message — not the app, not Discord, not someone who merely downloaded ForeverCrypt. Under the hood it uses ML-KEM-768 (NIST FIPS 203, post-quantum) to exchange a one-time secret to the recipient's key, then seals the text with XChaCha20-Poly1305. Your keypair is generated locally, the private half never leaves your machine, and a built-in Walkthrough explains the whole idea in plain language. 100% offline.
What it does
Good to know: Windows 10/11 only.
Windows 10/11, x64, about 2 MB. Free for personal use; commercial use needs a license.
Listed in
Swap keys, not secrets
You each share a public key (a padlock) once — safe to post anywhere.
Works in any app
Type a message, hit Send, and it becomes one short FC1.… code.
Quantum-resistant
ML-KEM-768 (NIST FIPS 203) exchanges a one-time secret; XChaCha20-Poly1305 seals the words.
Your key, always random
Each install generates its own keypair from the OS secure RNG, and a Randomize button makes a fresh one anytime.
The app being public is fine
Security doesn't depend on the program being secret — everyone has the same ForeverCrypt.
Plain-language walkthrough
A built-in 7-step guide explains public vs. private keys, why Discord can't reverse a code, and how to check it's really your friend.
100% offline
No accounts, no servers, no telemetry.
We have collected here some useful links to help you find out if ForeverCrypt is good.
Check the traffic stats of ForeverCrypt on SimilarWeb. The key metrics to look for are: monthly visits, average visit duration, pages per visit, and traffic by country. Moreoever, check the traffic sources. For example "Direct" traffic is a good sign.
Check the "Domain Rating" of ForeverCrypt on Ahrefs. The domain rating is a measure of the strength of a website's backlink profile on a scale from 0 to 100. It shows the strength of ForeverCrypt's backlink profile compared to the other websites. In most cases a domain rating of 60+ is considered good and 70+ is considered very good.
Check the "Domain Authority" of ForeverCrypt on MOZ. A website's domain authority (DA) is a search engine ranking score that predicts how well a website will rank on search engine result pages (SERPs). It is based on a 100-point logarithmic scale, with higher scores corresponding to a greater likelihood of ranking. This is another useful metric to check if a website is good.
The latest comments about ForeverCrypt on Reddit. This can help you find out how popualr the product is and what people think about it.
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