Running laszip to Compress your las files

Laszip is a compression algorithm which can drastically reduce the size of your las files.

Example compression:
4.56 GB las file --> compresses to --> 1.16 GB laz file

Install with Mac OS

  1. Navigate to in your browser.
  2. Download by selecting ‘Code’ dropdown and ‘Download Zip’
  3. Unzip
  4. Open terminal and navigate to the LAStools directory and run ‘make’ in your terminal.

Run laszip

  1. Navigate to the LAStools directory
  2. cd bin
  3. ./laszip -i YOURFILE.las -o YOURNEWFILE.laz
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