GRBL CNC Controller: PocketCNC

Pocket CNC: The Ultimate CNC Machine Controller

Untether yourself from your laptop and transform your Android device into a powerful, professional-grade CNC workstation. Pocket CNC is engineered for precision, extreme reliability, and total mobility in your workshop.

🌐 NEW: WIRELESS G-CODE TRANSFER

Stop fiddling with SD cards or connecting cables to your computer. With the new Integrated Wireless File Server, you can drop G-code files from your PC or Mac browser directly into your phone. Just visit http://pocketcnc.local:8080 on your network to upload, organize, and manage your projects instantly.

🔥 UNSTOPPABLE PERFORMANCE: THE POCKET CNC ADVANTAGE

Never worry about a failed job again. Pocket CNC is built with industrial-grade background processing.

Screen Off? The job continues.
Incoming Phone Call? The job continues.
Switching Apps? The job continues.
Your machine stays in motion until the very last line of code is executed.

Key Features You’ll Love:

🔌 Rock-Solid USB (OTG) Control: Experience low-latency, industrial-standard communication. No Bluetooth interference or drops—just a reliable wired connection to your machine.

📂 Advanced File Manager: Organize your projects with ease. Navigate folders, sort by date, and use multi-select deletion to keep your workshop storage clean.

⚙️ Visual GRBL Configuration: Take the mystery out of machine tuning. View and edit all GRBL (
) settings with human-readable descriptions and units. Calibrate your machine without memorizing a single code.

📐 High-Performance 3D Visualizer: Preview G-code in a smooth 3D viewport and track the toolpath in real-time as your machine carves.

🕹️ Precision Jogging: Take total manual control. Jog X, Y, and Z axes with customizable steps from 0.001mm to 100mm.

🖼️ Floating Monitor Window: Multi-task like a pro. Keep an eye on your progress and percentage via a small floating overlay while using other apps.

⚡ Live Overrides: Tweak your speed and power on the fly. Adjust feed rates and laser/spindle power percentages in real-time without pausing.

🛰️ Real-time DRO: Dynamic Digital Readout showing both Machine and Work coordinates (G54, G55, etc.) with digital precision.

💻 Power-User Terminal: Full command-line access to send manual G-code and read raw controller responses.

Why Choose Pocket CNC?

100% Reliable: Designed for the harsh environment of a workshop where stability is everything.
Privacy First: No ads, no tracking, and no data collection. Your designs stay on your device.
Universal Support: Seamlessly connects to Grbl, Marlin, Smoothie, and TinyG.

Requirements:

An Android device with USB OTG support.
A compatible CNC controller (Arduino, CNC Shield, GRBL boards, etc.).
A USB OTG cable.

Stop carrying your expensive laptop into the dusty workshop. Download Pocket CNC today and put the power of a professional CNC controller in your pocket!

Recent changes:
New: Wi-Fi File Transfer! Upload G-code from your desktop browser directly to the app via pocketcnc.local.
New: Full GRBL Settings Editor with descriptions—no more memorizing $ codes!
Improved: Advanced File Manager with folder support and multi-delete.
Improved: Faster mDNS discovery and more stable background job monitoring.