CLI Utility

gsbox

gsbox is a cross-platform command-line tool focused on Gaussian Splatting format conversion, inspection, transforms, and merging.

Stage: Utility / ConversionBatch conversionFormat inspectionSPZ and SOG pipelines

Open official linkGitHub Repository->

What It Does

gsbox is useful because practical 3DGS work often becomes format plumbing. One tool outputs PLY, another wants SPZ, a web pipeline wants SOG, and you may need to inspect headers or rotate a scene before publishing.

It overlaps with GaussForge and SplatTransform, but it is worth listing because it covers a broad matrix of read/write formats and has explicit commands for transforms and merging.

How To Use It In 3DGS

Install or build gsbox from the GitHub repository for your platform.
Run `info` first on unfamiliar assets so you understand format, count, SH degree, and metadata before conversion.
Convert into the target format required by your viewer, for example PLY to SPZ or PLY to SOG.
Use transform options only when you know the target coordinate expectations; record every rotation, scale, and translation applied.

Things To Watch

Format conversion can be lossy depending on target format and options.
Transform commands are powerful but easy to misuse; keep an untouched source file and a conversion log.
SPX is useful in the gsbox ecosystem, but it is not as broadly supported as PLY, SPZ, SOG, or KSPLAT.

Official And Related Links

GitHub Repository SPZ Format SOG Format Spec

Where gsbox Shines

Use it when you need one CLI to inspect several splat formats rather than only convert one pair.
The merge workflow is helpful for experiments that combine multiple scans into a single delivery file, though visual seams and coordinate alignment remain your responsibility.
The SOG and SPZ options make it useful as a bridge between Scaniverse-style mobile assets and PlayCanvas-style web delivery assets.

Conversion Checklist

Preview source and output in the same neutral viewer before reporting a conversion issue.
Check whether the target viewer expects SH0-only or higher-order spherical harmonics.
Measure output size and first-load time, not just screenshot quality.