View SPZ files in your browser
Niantic's compressed format for Gaussian splats, a capture about a tenth of the size of its PLY. Open one right here, with nothing to install. Nothing leaves your device.
Or drop it anywhere on this page
What you'll see
Your capture opens in 3D, the right way up and fitted to its middle.
- Turn, zoom and move through it • Double click to center
- Fit • Front, right and top views
- A dark, light or no background
- Export • Save the view as PNG
About SPZ
Gaussian splatting, from 2023, captures a place or a thing from photos or a video as millions of soft colored blobs that look real from any angle. Niantic made SPZ in 2024 to share them, about ten times smaller than the PLY a capture starts as, and opened it, so Scaniverse and other apps save it.
An SPZ is gzipped binary: how many splats, then each splat's position, size, turn, opacity and color, packed in a few bytes each, with spherical harmonics for colors that change with the angle.
Filepeek reads it in your browser and draws it with Spark, an open renderer of splats, turned the right way up and fitted to the middle of the capture. Turn it, zoom and move through it, put a dark, light or no background behind it, and save the view as PNG.
Compressed Gaussian Splats
.spz
Format
- MIME type
- application/octet-stream
- Made by
- Niantic
- Released
- 2024
Inside the file
- Splats
- Millions, each a soft colored blob
- Each splat
- Position, size, turn, opacity and color
- Harmonics
- Colors that change with the angle
- Packing
- A few bytes a splat, gzipped
Opens in every browser
Browsers download SPZ files, and splat apps are the usual way to see one. Filepeek opens them in Chrome, Edge, Firefox and Safari, on computers and phones.
- YouChromeOpens through Filepeek
- YouEdgeOpens through Filepeek
- YouFirefoxOpens through Filepeek
- YouSafariOpens through Filepeek
Questions
How do I open an SPZ file?
Drop it on this page or choose Peek an SPZ. The capture opens at once in 3D, with nothing to install.
Why is it upside down?
Most captures are saved the way the cameras that made them see, with up pointing down, so Filepeek turns them over. When one comes out the wrong way, choose Turn it over.
What are Gaussian splats?
A way to capture a real place or thing from photos or a video, from 2023. Instead of triangles, it keeps millions of soft blobs of color, each with its own size, turn and opacity, which together look like a photo from any angle.
Is my file uploaded?
No. The capture opens inside your browser and never leaves your device.