FreeNow on the Chrome Web Store

No clicker?
Point.

Gestello turns the webcam you already have into a presentation remote. Point to change slides. Raise a finger for a laser. Your video never leaves your laptop.

Add to Chrome — it's free See the gestures

Gestello runs in Chrome. Open this page in Chrome to add it.

Gestello is a Chrome extension, so it installs on a laptop or desktop, not a phone. Send yourself the link for later.

Free
No account
Works offline
2 minutes to learn

Q3 Board Review — presenting Gestello on

Board meeting · 14 Oct

Q3 Board Review

Ana Lucía Pérez, COOConfidential. Figures unaudited, see appendix B.

Revenue by region, Q3

$2.1MUS

$1.4MLATAM

$0.7MEU

$4.2MTotal

+18% QoQ excl. the one-off Panamá contract

What we're asking for

01Two support hires before December

02Q4 pilot in Panama City

03$120k for tooling

Locked

Point right

01 · Point rightNext slide

02 · Index upLaser

03 · Peace signSpotlight

Works in Chrome with

Google Slides
Canva
Pitch
PowerPoint Online

01 / The gestures

Six gestures. That's the whole remote.

Scroll through them. The slide on the right reacts the way your real slides will.

01Change slides

Point right. Next slide.

Make a fist with your index finger out and point it to your right. Point left to go back. It's a held pose, not a fast swipe, so it works on any webcam, with either hand.

02Laser

Index finger up. Laser on.

A red dot sits right on your fingertip, anywhere on the slide. Drop your hand and bring it back, and the dot comes back exactly where your finger is.

03Spotlight

Peace sign. Spotlight.

The slide dims except for a circle that follows your two fingers. Show one line at a time.

03bLock it

Close a fist. It stays.

The spotlight locks in place with a yellow ring, and your hand is free. Fist, then open hand, removes it.

04Black screen

Hold a fist. Lights out.

Hold a fist for one second and the screen goes black, so every eye is on you. Do it again to bring the slide back.

05Off switch

Three fingers. Gestures off.

Raise three fingers, then lower them, and Gestello ignores your hands so you can talk with them. Do it again to turn gestures back on. Or press Alt+Shift+P.

Next slide Slide 01 / 03

Biology · Period 3

Why coral reefs bleach

Group 4

Fig. 2 · Illustrative data

Heat-stress weeks per year

21990s

32000s

52010s

92020s

Takeaways

Three things to remember

01Heat stress builds over weeks

02Reefs need time to recover

03Cooler water is the fix that lasts

Locked

Your handPoint right

Gestello doesNext slide

Try them on your next deck.

Free
No account
Video stays on your laptop

Add to Chrome — it's free

02 / Setup

One screen. One button. Two minutes.

You don't read a manual. A short practice deck teaches each gesture by having you do it.

01
Add to Chrome
Free from the Chrome Web Store. No account, no sign-up.
02
Turn on your camera
One screen explains what happens to your video, then one button starts the camera.
03
Practice for 2 minutes
A full-screen deck of seven signal-flag slides. Do the gesture, watch it work, move on.

The practice deck · 7 flagsLive coaching tips on every slide

01 NextFill the arrow by pointing
02 LaserHit three rings
03 SpotlightUncover a hidden line
04 Lights outHold a fist
05 BackPoint left
06 Off switchThree fingers
07 ReadySee your time

03 / Privacy

Your video never leaves your laptop.

It's a camera extension, so this matters. Here is exactly what happens to your video.

Read, then thrown away
Each camera frame is read in memory and discarded. Nothing is recorded or saved.
Works offline
The hand-tracking model is built into the extension and makes no network requests.
Only while it's on
The camera runs only while Gestello is on. Stop it and the camera turns off.
No account
No sign-up, no email, nothing to log into. Nothing is uploaded or shared.

What it asks Chrome for

Four permissions, and why. Chrome also asks for your camera once, on Gestello's setup screen.

Read the full privacy policy →

activeTab	Works only on the tab you start it on, and only after you start it.
scripting	Draws the laser, spotlight and black screen on that tab, and presses the arrow keys that change slides.
offscreen	Runs the camera and hand tracking in a hidden page while you present.
storage	Remembers your settings on this computer.

04 / Controls

Everything in one small popup.

StartClick Start on this tab on the tab you're presenting, or press Alt+Shift+G.
Laser colorRed, green or yellow, so it shows up on any slide.
SensitivitySlide between Deliberate and Instant to set how quickly gestures fire.
Next-slide keyPick which key Gestello presses to move forward.
Hand swipesPrefer swiping? Turn it on. Pointing stays the default because it's steadier.

Q01Is it really free?

Yes. Gestello is free, with no account and no sign-up.

Q02Does Gestello record me?

No. Each frame is read in memory and thrown away. Nothing is recorded, saved, uploaded or shared. The hand-tracking model is built into the extension and makes no network requests.

Q03Which presentation apps does it work with?

Google Slides, Canva, Pitch and PowerPoint Online, in Chrome. It changes slides by pressing the arrow keys for you, and you can choose a different next-slide key in settings.

Q04Will my normal laptop webcam work?

Yes. Changing slides uses a held pose, not a fast swipe, so motion blur doesn't throw it off. It fires after 0.15 seconds, once per point.

Q05What if I talk with my hands?

Raise three fingers, then lower them, and every gesture turns off. Do it again to turn them back on. You can also press Alt+Shift+P.

Q06Do I need the internet?

Gestello itself works offline. Your slides app may still need a connection.

Q07Left-handed?

Either hand works.

Q08Can I use it on my phone or iPad?

No. It's a Chrome extension, so it runs in Chrome on a laptop or desktop computer. On your phone, tap "Send it to my laptop" to save the link for later.

Your next presentation. No clicker.

Built by an IB student, Gestello reimagines how we interact with presentations. Version 0.8 was rebuilt after real-webcam testing.