🎉 All SJMK SYSTEM programs are now free
You can use all programs from SJMK SYSTEM for free.
- Download right away — no sign-up needed.
- No feature limits.
- No ads from other companies.
- Free on both PC (Windows) and Android (Google Play).
I built these programs to hold their own next to well-known paid software, and I fixed, one by one, anything users might find inconvenient. If you like them, please tell just one person around you. If you'd like to cheer me on, you can lend a hand through Donate in each program.
Get the programs
※ When they might become paid is completely undecided, but if that changes due to my personal circumstances, I will announce it on the website in advance.
Take a closer look
The SJMK SYSTEM is officially open. All programs are free to use
This is SJMK SYSTEM.
The SJMK SYSTEM website has officially opened.
We're still in the process of finalizing that. In the meantime, you can use all the programs for free.
️ You can download the program without logging in.
We have over 20 different programs.
The search and processing functionality is unmatched by any other program out there, and we're constantly refining it to achieve the highest level of sophistication worldwide.
I'll give you a brief introduction to the programs in the park below. Your attention, please.
Take a closer look
🎁 We're introducing our flagship program. You can use it for free
Below are some examples of programs that have gone through their final checks. You can use all the features for free until the final version is finished, and as you write the program, it updates itself every time a new version comes out. The device (PC, mobile) supported by each program can be found in the Introduction screen of the Program menu.
Crypto Master Secure encryption and storage of files on multiple devices and environments Battery Master ‡ PC/mobile battery status check and manage to last longer ‡ DocMaster ‡ Smart editor that makes it easy for anyone to write and edit documents quickly ‡ ExplorerZMaster File organization and management much more convenient than the basic browser ‡ SafeNet ‡ If you have any inconvenience or wishes in using web network protection that prevents advertising and malicious site access, please inform the customer center.
Take a closer look
🛠️ Programs in Development (sequential release expected within about 50 days)
These are still being actively refined, but their direction and core features are already in place. They'll follow the completed programs with a sequential release within about 50 days.
📚 All-DC-Master — view and convert documents and images in one place
☁️ DriveMaster — access your personal storage (NAS) conveniently from anywhere
⚡ WinBoost — make your PC faster and smoother with one click
🪟 UtilMgr(SnapShot) — save and restore your favorite window layouts
🧹 DesktopTidy — keep a cluttered desktop neatly organized
⌨️ AutoComplete_Text — complete frequently used phrases from just a few characters
🤖 CLIMaster — manage multiple AI tools comfortably in one screen
🖥️ RemoteControl — view and control another PC's screen remotely
🌐 LanguageMaster — automatically switch the display language
🔎 OCRConverter / OCRTranslator — recognize and translate text within images
📄 MRCMaster — accurately convert scanned documents into clear images and text
🔒 SJ4 — a more secure remote connection
There are more programs in the works beyond this list. We'll keep you updated here as each one is completed.
Take a closer look