“It gently catches my posture drift before I lose my focus.”
— Ben
49,722+ desk workers sitting straighter
Posture Corrector AppBlurs Your Screen When You Slouch
NeckHack is a desktop posture corrector app that uses your webcam and on-device AI to detect slouching. Your screen stays clear while you sit upright and gently blurs when your posture slips—no wearable required.
Interactive demoSee what happens when you slouch.
Upright
NeckHack's sweet spotFeel better here.
Slouching
- No brace or wearable
- Mac · Windows · Linux
- 100% private on-device AI
- Five-second calibration
Loved by desk workers worldwide
Mac Windows Linux
“The screen blur is accurate enough that it quickly became a habit.”
— David
“I use it all day. It helps me reset without feeling nagged.”
— Max
“My desk days feel better when I get those small posture reminders.”
— Lena
“It fits into my workflow instead of interrupting it.”
— Noah
“I notice slouching sooner, and I am sitting straighter more often.”
— Maya
“The feedback feels simple, calm, and surprisingly effective.”
— Oliver
“It is the first posture tool I have actually kept using.”
— Sofia
“The blur makes it obvious when I need to sit up again.”
— Ethan
“I feel less tense after long work sessions now.”
— Chloe
“It is quiet in the background until the exact moment I need it.”
— Leo
“A quick correction keeps my afternoon posture from slipping.”
— Amelia
“The response is consistent, so I trust the cue when it appears.”
— Jack
“It helps me feel more aware without adding another gadget to my desk.”
— Ella
“I am getting better at resetting my posture before it gets uncomfortable.”
— Henry
“The little visual cue is enough to keep me on track.”
— Grace
“It is practical, accurate, and easy to leave running while I work.”
— Mason
“My shoulders feel better because I catch the slump much earlier.”
— Isla
“It makes healthy sitting feel automatic instead of another task.”
— Lucas
“I like that it gives me a useful nudge and then gets out of the way.”
— Zoe
How the NeckHack Posture Corrector App Works
- 01
Calibrate NeckHack
Settle into a healthy, upright position and complete the five-second calibration.
- 02
Do your work
NeckHack stays invisible while you are sitting in a healthy, upright position.
- 03
Keep your position
NeckHack automatically blurs your screen when you start slouching and clears it as soon as you return to a healthy position, helping you maintain healthier posture throughout the day.
Frequently Asked Questions
A Private, On-Device Posture Corrector
Your webcam stays on your computer.
NeckHack analyzes your posture on-device. Your camera feed is never uploaded, stored, or shared.
On-device processing
Camera stays localNever uploaded
Stays on your device
All posture analysis happens directly on your computer. Your webcam feed is never sent to NeckHack or anyone else.
Works without Wi-Fi
No connection? No problem. NeckHack can keep monitoring your posture locally while you work offline.
Nothing recorded
Camera frames are analyzed in the moment and immediately discarded. No photos, videos, or recordings are saved.
Metrics, never video
NeckHack keeps useful posture numbers—like upright time, streaks, and trends—not footage or images from your camera.