Bring your model.
Choose or drop an STL. Inspect its file size, triangles, and open edges.
KEEP YOUR IDEAS BIG.
Reduce STL file size.
Room for more ideas.
Reduce your STL model’s triangle count and file size, then compare the result.
No installation. Your design stays on your device.
A little less weight.
A little more flow.
A little more flow.
Processed on your device
File size—
Triangles—
Edge check—
Size difference—
Try your own model: drag an STL into the workspace.
ASCII / Binary STL · Desktop: up to 25 MB, 500K triangles · Phone and tablet: up to 5 MB, 100K triangles recommendedLESS PREP. MORE MAKING.
Three steps. One easy flow.
Preparing your file
shouldn’t take longer than designing it.
Leave the weight behind.
Pick a target size and detail level. Compare the result from the same angle.
Get back to making.
Download your binary STL. Check its dimensions and sliced preview before printing.
YOUR DESIGN IS YOURS.Starts on your device.
Starts on your device.
Stays on your device.
In this version, model files are processed in your browser. We do not send your geometry to a server. Close the tab when you are done.
A SMALL START FOR BIG IDEAS.
The first release is freeGrow with your workflow.
Free
Available nowPrepare a model. Move your idea forward.
$0 / current release
- Single-file STL reduction
- 3D comparison and edge analysis
- Binary STL and JSON report downloads
- Local processing: up to 25 MB on desktop; 5 MB recommended on phones and tablets
Studio PRO
On the roadmapSpend less time on repetitive preparation.
Coming later
- Batch preparation and ZIP downloads
- Saved processing presets
- Workflows for larger files
- Naming rules and delivery reports
Planned features. Paid subscriptions are not available yet.
SMALL QUESTIONS. CLEAR ANSWERS.
Good to know.
Is my model uploaded to a server?
No. In this version, your selected STL is processed in browser memory. We do not send the file to a server for analysis or reduction.
Will reduction affect quality?
Reducing triangles can change geometric detail. You can select a detail priority and visually inspect the result. If a run does not reach the target size, we show that clearly.
Does this tool repair my model?
This version performs edge analysis and simplification, not hole filling or complete mesh repair. Having no boundary edges does not guarantee that a model is printable.
Why is there a file limit?
Processing uses your device’s memory and CPU. In desktop browsers, the limit is 25 MB and 500,000 triangles; on phones and tablets, we recommend files up to 5 MB and 100,000 triangles. Performance depends on the model and your device.