SHRINK 3D — Free 3D Model Optimizer for Games & 3D Printing

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Drop a GLB game model here GLB — or click to choose a file

MODEL

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Original—

Triangles—

Vertices—

Textures—

Where will it be used?Pick one — it sets sensible limits for you.

Finished height (mm) Printer

Sending it to someone else? Pick their printer — the check below uses it.

How much detail to keep?Drag the slider — the model on the right updates live.

Detail kept70%

SmallerMore detail

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Measuring…

…or type a triangle count

Touch up (optional)Paint out stickers, plates or marks on the textures.

Retouch textures

File settings

Largest texture size

Texture quality82%

Smaller textures (WebP)Shrink mesh dataCompress mesh (Meshopt)

Games read WebP + Meshopt fine in most engines. Turn these off if your engine can't load them.

SaveBuilds the final file and downloads it.

Z-up for slicers (Lychee, Chitubox)

STL / OBJ hold only the shape, in millimetres at your finished height — no textures.

Ready.

Drag to rotate · Scroll to zoom · Right-drag to pan