cool hit counter I was looking for an encrypted chat tool, and this article came up_Intefrankly

I was looking for an encrypted chat tool, and this article came up

Welcome to follow Le Soft Blog WeChat public number "Ah Kong students"

The thing is that, in view of the current situation of the copyright environment is serious, Kong is ready to establish a group chat organization to facilitate the need to share resources with students, then the problem comes, QQ WeChat necessarily can not be the choice, the reason is well known.

So, I dedicated some research to the commonly used group chat software abroad, opened the app market and started a long and tedious trial. In fact, my requirements are not complicated, first of all, to have the encryption function and have the group chat function like QQ. Secondly the app application must be run by a foreign team. After a bit of research and trial, I didn't find anything I liked, but some of the software is really excellent and worth recommending to everyone. And so it was with this article.

Speaking of chat encryption, privacy protection, it seems that after Snowden exposed the US diamond mirror program, the topic started to get a lot of attention. Many people are concerned about the focal point of the issue, how to protect our privacy and how to chat in secret. The topic of privacy protection is not the focus of discussion in this article, in my big day, we eat people's privacy is bare bones. Still, you'd say it's fairly easy to add a secret to a chat and not want it to be collected and monitored by some company- You change the chat app!


Cryptocat is an end-to-end, chat-secure instant messenger that was used by former CIA employee Snowden to contact journalists while hiding from the U.S. government, which made Cryptocat famous.

In fact, back in 2014, the Electronic Frontier Foundation conducted a "Security Newsletter Scale" project that rated the current mainstream chat software in seven areas, including chat encryption and access to information, and Cryptocat received the highest score. The end-to-end encrypted communication technology ensures maximum confidentiality and security of communication information between users.

Cryptocat Features

Multi-platform open source software . Windows, Linux and MAC support

Support text, image, video messaging, file sharing

End-to-end encryption, server does not save any chat messages

Multi-device support to receive messages even offline.

Cryptocat is simple to use, once you install the client. We need to register an account on the official website, (Cryptocat registration page captcha uses Google's human authentication and requires a ladder for registration)

The Cryptocat interface is clean and completely web-like, without a hint of extra design. Cryptocat supports sending text, images, audio, and video. Note that the video here is not a video chat, but a small video recorded through the camera, functionally the same meaning as the small video recorded during WeChat.

Cryptocat can also send files, but after testing, the speed is not great, of course this may be because Cryptocat does not have a central server to store files offline, so sharing files is slower.

Also, Cryptocat does not have a feature to clean up stored chat history, closing the chat window automatically clears the chat history, and the next time you open the chat window, it will show the last time the other person was online if they are offline.

The only regret, Cryptocat does not support group chat feature, which was possible in its very first web application~~


Let's move on to another end-to-end encrypted communication tool that also focuses on chat security - tox.

tox was first released on June 23, 2013 by user irungentoo and hosted on GitHub, and in the years since then TOX has grown rapidly and spawned many clients made based on tox, including qTox, µTox, and others, which we'll focus on today.

The original idea of tox was to create an instant messenger that could run without the use of a central server and with peer-to-peer, end-to-end encryption to ensure the confidentiality and security of user communications.

There are more tox clients and basically all platforms are covered. A table gives us a general idea of the OS currently supported by the different clients of tox

Agan here is a brief introduction to the most classic qTox.


qTox is an end-to-end encrypted instant messenger made based on tox. With the rise of government surveillance programs, with the rise of government surveillance programs, qTox provides an easy-to-use software allowing you to keep others from snooping while you are in contact with your loved ones and friends. While other reputable services ask you to pay to use the service, qTox is completely free and has no ads.

qTox Features

Convenience. Supports text, audio, and video calls.

Security. Peer-to-peer end-to-end encryption with no central server

Simple. qTox is easy to use and requires no expertise, you just focus on the chat

Freedom. qTox is completely free. In addition to being free to use, you can freely modify it.

qTox use

First of all qTox is peer-to-peer communication, there is no central server, which means that no account registration is required to use qTox. After downloading the client and running it directly, it automatically generates the account number (76-bit hexadecimal characters), which is actually what we commonly call a one-machine code.

Adding friends to qTox is also very simple, just copy the other person's 76-bit ID and send a request, and then you can chat happily after a successful addition.

qTox supports voice and video chat with good call quality ~ which is better than Cryptocat in terms of experience. And qTox also supports circles (actually, groups), and it supports group chats.

Maybe for security reasons? The qTox group chat is disposable, which means that the group chat will not exist after the group member logs off and logs back in, and you have to add the group chat again. This is a real shame~~~

According to the author in the next version of the major update will improve the group chat features, including group chat saving, group chat encryption, etc. But this "supposedly" seems to have been there in 15 years ~~ still not perfected, we can only say patiently wait for it ~~


Let's talk about Telegram for the last one, discussing the encrypted chat tool Telegram must be a heavy hitter. Not just because of Telegram's strong and secure encryption, but also because of the unique charisma of its founder. If you're interested, there's a column on Knowle dedicated to the story of Telegram's founder, so you can search for it yourself if you're interested.

Telegram Messenger is a cross-platform real-time messaging application, its client is a free and open source application, but its server is a proprietary application. Users can exchange encrypted and self-destructing messages with each other, as well as photos, movies, and documents, and all file types are supported. The official website has official releases for Android, iOS, Mac OS X and Windows Phone in Beta.

The main focus is on privacy and security

Telegram has two chat modes, general chat mode, which uses end-to-end encrypted communication, although the server side will have access to the keys and can be logged in via multiple devices.

Of course, you can initiate private chats in Telegram, which also uses end-to-end encryption. Messages sent via Telegram do not pass through the central server, and like Cryptocat, all private chat content disappears when you log back in.

Speaking of encryption security, there was an official contest that offered a reward of $200,000 worth of bitcoins for the ability to crack an intercepted call message, and one user in the IT community found the security issue, fixed it, and was awarded $100,000. This speaks volumes about Telegram's confidence in its encryption security, which is also really admirable from the bottom of the heart.

Also Telegram's group chat mode experience is very good, such as support for targeted replies, which is actually the same as WeChat QQ@reply 。。。。 The group chat has grown from supporting 500 people initially, to 5,000 since, and to 10,000 in 2017~~

(Image from the web)

Telegram's channel is a very good information distribution center, you can think of it as a WeChat public website, where channel managers can send messages to groups and support an unlimited number of users to join.

To sum up.

Cryptocat, tox and Telegram are three tools that should be the best choices for chat encryption at the moment, so if you are concerned about privacy and security and want to protect your chat content from surveillance and malicious collection within our country, then you should not hesitate to try these tools. Any of them will do...

Written on the back.

I've never found a perfect replacement for QQ or WeChat, no matter which tool it is, even if it's the best in terms of functional experience, it's always unconvincing~ Someone once asked, "What do you think is the biggest core competency of the QQ empire, not a QQ, not a WeChat, but a It's what circles your social connections...

You want to stay away from QQ, away from WeChat? I don't think it's likely. What do you think?

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