Loading Screen Simulators
Updates, errors, and screensavers.
Generate fullscreen screens directly from your browser. No software installation or admin privileges required.
Browser simulation · Free · No install
Working on updates 47%
Don’t turn off your PC.
Filter by device
Update screens
Visual simulations of system updates (Windows, macOS).
Screensavers
Real-time clock display on a dark background.
Error screens
Simulation of critical system errors (BSOD).
Loading screens
Generic loading animations and terminal interfaces.
Broken screens
Simulations of visual artifacts and unstable signals.
Solid colors
Fullscreen display of solid colors (white, black, green).
Everything is simulated in the browser: nothing is installed and no files are read or changed on your machine.
This tool page is part of ChocoLOCK, the free reference platform to generate fake loading screens and run office security pranks (also known as 'croissantage').
Discover ChocoLOCK
Corporate cybersecurity awareness.
In addition to these screen simulators, ChocoLOCK provides tools dedicated to raising awareness about computer session locking (croissantage).
Free tool for preventing risks associated with unlocked sessions.
Frequently Asked Questions
Technical information about the simulators.
How do these simulators work?+
They display fullscreen in your browser. These are web interfaces mimicking system screens. No installation is required.
How do I launch or exit a screen?+
Click a card to launch the display. To exit fullscreen mode, press the Esc key or the button in the top right corner.
Does this modify my system?+
No. This is purely a visual web page. No files are modified on your computer.
What is the purpose of these screens?+
These screens can be used for demonstrations, video shoots, display testing, or simply as custom screensavers.
How is this related to ChocoLOCK?+
ChocoLOCK is a cybersecurity awareness platform. This tool page is a complementary service.
Do the screens work offline?+
Yes, once the page is loaded in the browser, the animations run locally without requiring an active internet connection.