LED marquee
Turn your screen into a scrolling LED-style text sign.
The LED marquee turns your screen into a full-screen scrolling text display, styled after an LED sign — type a message, pick a color and speed, and hold your screen up for anyone who needs to see it, whether that's a pickup sign, a celebratory message, or event signage.
Color
How to use
- Type your message, pick a color and scroll speed.
- Click "Start scrolling" and turn your screen toward whoever needs to see it — turn up your screen brightness for the best effect.
Common use scenarios
- Making a pickup sign to hold up at an airport or station.
- Displaying a celebratory or welcome message at an event.
- Creating a quick attention-grabbing display for a booth or table.
- Making a fun scrolling message just for the novelty of it.
✓Content & verification reviewed: 2026-08-27
How we verify LED marquee
How to get the most visible, legible result.
Higher screen brightness makes a much bigger visual difference than text size
Since this fills the whole screen with a scrolling message, turning your device's brightness all the way up usually improves visibility more than any other single adjustment, especially outdoors or in bright rooms.
Very long text scrolls at the same speed as short text
The scroll speed you set applies as a constant rate regardless of message length, so a much longer message simply takes proportionally longer to fully cross the screen at the same speed.
This is a CSS animation, not an actual LED matrix display
The scrolling text is rendered with a smooth animation styled to evoke an LED sign — it doesn't simulate individual LED dots or matrix-style pixelation.
Before you rely on the result
- You've turned your screen brightness all the way up for maximum visibility.
- You've picked a color with good contrast against how the screen will be viewed (e.g. bright colors in daylight).
- You've previewed the scroll speed and adjusted it so the message is easy to read as it passes.
- You've checked your device won't auto-lock or dim the screen while it's on display.
Who this is for
- Anyone making a pickup sign for an airport or station.
- People displaying a celebratory or welcome message at an event.
- Anyone creating an attention-grabbing display for a booth or table.
- People wanting a fun scrolling message display for the novelty.
Real-world examples
Airport pickup sign
Someone types a name to display as a scrolling pickup sign, held up on their phone at arrivals instead of a paper sign.
Event welcome message
An organizer displays a scrolling welcome or celebratory message on a screen at an event entrance.
Booth attention-grabber
Someone running a table or booth displays a scrolling message to catch passersby's attention.
Limitations
- This is a CSS animation, not an actual LED matrix — very long text scrolls at a constant speed regardless of screen width.
Frequently asked questions
Why does my screen dim or lock while the marquee is running?
Your device's own auto-lock or screen-dimming settings can still activate during use — check your device's display settings and temporarily disable auto-lock if you need it to stay on for a while.
Does the scroll speed adjust automatically for longer messages?
No — speed is constant regardless of message length, so a longer message simply takes longer to fully scroll past at the same speed.
Is this an actual LED matrix simulation?
No — it's a smooth CSS scrolling animation styled to evoke an LED sign, not a pixel-by-pixel LED matrix simulation.
Can I stop the scrolling to read it more carefully?
Click anywhere on the screen to exit back to the settings, where you can slow down the speed and start it again.
🔒 Runs in your browser — nothing is uploaded. Results are for reference only; see the disclaimer. Last updated: 2026-08-27
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