Finished
0:00
20by20 Fast
20 slides × 20 seconds
Owner
Hold a box to edit
5
Open an address
Pick a name for your timer. Anyone who opens the same address can edit it, and changes sync live to every device.
2–40 letters, numbers or hyphens. The same address works on every device.
Settings
This screen — your grid, outline, appearance, and saved copies. Nothing here changes the projector.
Presenter
This screen only — your grid, outline, and sound.
Appearance
Light or dark for this screen only. The projector stays as it is.
Speaker outline
The animated disappearing outline around the current box on this device only.
Sound
Saved copies
Save this timer’s slides, speaker info, and settings as a named copy. It’s kept on this device and uploaded to its own address (e.g. /demo2) so any device can open it. Loading updates the open projector too.
Projector
What the audience sees — timer, bars, QR, slide titles, and the speaker plate.
Viewer slide progress
20-second progress for the current slide on the projector, separate from the total 6:40 bar.
Slide bar position
Slide bar thickness
Slide bar inset
Outline line
Colour and thickness of the outline. This also styles the speaker outline on this device.
Timer display
Timer size
Slide countdown
Bar scope
Direction
The large numeric countdown for the current slide. Off by default.
Start intro (5-4-3-2-1)
Background dim
Tones down background photos and videos behind the title, timer and tags. 0% is off. Website embeds aren’t dimmed.
QR size
Share of the shorter screen edge on the projector. Drag to preview live.
Title size
Title alignment
Title inset
How far the slide title and notes sit from the edge. 0 is tight to the edge; raise it to pull the title in.
Numbers
Audience view
Welcome to 20by20
This is a 20-slide × 20-second timer — 6 minutes 40 seconds in all. Anyone who opens this address can edit it — changes sync live to every device.
- Present shows the projector link — open it on another device. Audience pops up that same view on this screen if you can’t open another tab.
- Hold a slide, or open List, to add a title, notes, a QR link and images.
- Settings holds the rest.
- Start plays a 5-4-3-2-1, then the run begins.
Slide list
Add a title, notes, a QR link, images or a short video, and tags. Drag to reorder. Other options live in the slide editor.
Speaker info
Shown on the projector during the run and in preview.
Avatar / logo
Layout
Name and title sit close on the left, the message in the centre, website and socials on the right. The plate runs edge to edge.
Justify
Position
Vertical
Present
Open this viewer link on a projector, tablet, or another browser. Use Preview on this device to check slides.