How do I open a .LAS file on Windows or Mac?

You can open .LAS files using CloudCompare, QGIS (with LASTools), ArcGIS Pro, Global Mapper, PDAL (Point Data Abstraction Library), MeshLab. If you do not have native software installed, you can use OpenAnyFile's free File Identifier or convert .LAS to a standard format in your browser.

Is a .LAS file safe to open?

This format carries a safety rating of Low Risk. Contains X, Y, Z spatial coordinates, GPS timestamps, laser return intensity, and RGB point classifications

Can I convert a .LAS file to other formats?

Yes! .LAS can be converted to formats such as .LAZ, .XYZ, .PLY, .DXF directly in your web browser.

What should I do if a .LAS file is corrupted or won't open?

If your .LAS file displays an invalid header or signature error, check its magic bytes hex header (Varies) using OpenAnyFile's Magic Byte Detector or follow our step-by-step file repair guide.

How do I open .LAS files?

You can open .LAS files using CloudCompare, QGIS (with LASTools), ArcGIS Pro, Global Mapper, PDAL (Point Data Abstraction Library), MeshLab.

Medical & Science • MIME: application/octet-stream

.LAS – LAS File Format

Q: What is a .LAS file?

A .LAS file is a LAS File Format associated with Medical & Science. LAS is an open binary specification created by the American Society for Photogrammetry and Remote Sensing (ASPRS) for interchange of 3D LiDAR point cloud data.

LAS is an open binary specification created by the American Society for Photogrammetry and Remote Sensing (ASPRS) for interchange of 3D LiDAR point cloud data.

Primary Category Medical & Science

MIME Type application/octet-stream

Magic Bytes Signature Varies

Security Risk Rating Low Risk

Recommended Software to Open .LAS

CloudCompare

windows, mac, linux • Free

QGIS (with LASTools)

windows, mac, linux • Free

ArcGIS Pro

windows, mac, linux • Free

Global Mapper

windows, mac, linux • Free

PDAL (Point Data Abstraction Library)

windows, mac, linux • Free

MeshLab

windows, mac, linux • Free