Stop burning bits and ruining material. CNC Manager walks you through finding the perfect feeds and speeds for any bit and material combination—no experience required.
Start Testing G-code ViewerManufacturer specs are optimized for industrial machines—not your Shapeoko, X-Carve, or LongMill. The typical process looks like this:
Sound familiar?
Machine, material, and bit. We suggest safe starting parameters.
We generate the G-code. You just load and run it.
Rate edge quality, chips, sound, and heat. Takes 30 seconds.
We suggest adjustments. Repeat until dialed in.
Step-by-step wizard walks you through machine setup, material selection, and parameter adjustment. Learn the "why" as you go.
Skip the CAM software. We generate safe test patterns—star pockets, profiles, v-carves—ready to run on any machine.
Score your cut, and we analyze the results. Dusty chips? Increase feed. Chatter? Back off. We explain every recommendation.
Real-time chipload indicator shows if you're in the sweet spot. Color-coded warnings prevent rubbing and tool breakage.
Visualize any G-code file before cutting. Click segments to inspect, add pauses, insert comments. Verify before you commit.
Download your optimized parameters as text or JSON. Ready to paste into your CAM tool library.
CNC Manager supports common hobby and prosumer CNC setups. If your machine runs G-code, it'll work.
GRBL, Mach3, Mach4, LinuxCNC, Carbide Motion, Onefinity, Buildbotics, UCCNC, and more.
| Feature | Manufacturer Specs | Trial & Error | CNC Manager |
|---|---|---|---|
| Machine-specific | Industrial defaults | Eventually | From the start |
| Time to dial in | Hours of testing | Hours of testing | Minutes |
| Requires CAM software | Yes | Yes | No |
| Explains the "why" | No | No | Yes |
| Cost | Free (but generic) | Broken bits + wasted material | Free |
Visualize, inspect, and verify any G-code file before it touches your machine. Works with files from VCarve, Fusion 360, Carbide Create, Aspire, and any CAM software.
Drop any .nc, .gcode, or .tap file to visualize
No signup. No account. No credit card. Just open the tool and start testing.
Start Testing Now Chipload Calculator