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Free SEG-Y viewer download

g-Viewer Standard is a free SEG-Y viewer with no time limit; g-Viewer Plus adds the full workspace with a 3-month free trial. Windows, Linux and macOS 26+ (Apple Silicon).

Compare Standard and Plus
g-Viewer SEG-Y viewer workspace with location map and seismic section

What g-Viewer Standard and Plus include

g-Viewer opens 2D and 3D SEG-Y files of any size for visualization and QC, with trace headers plotted above the seismic. The free Standard edition includes:

  • Seismic display of a dataset of any size
  • Geometry loaded from trace headers, shown on a location map
  • QC cross-plot of any three trace headers
  • Spectral analysis and AGC / bandpass
  • EBCDIC and Bin header editing
  • Resample and save
  • Measurement ruler and export to image formats

g-Viewer Plus adds multiple datasets, CS, CR, CDP and other common-gather views for pre-stack QC, velocity lines on gathers, spectral analysis over multiple areas, and 3D views of post-stack volumes and pre-stack data.

  • Editions: Standard is free with no time limit and runs under a free license. Plus starts with a 3-month free trial (compare Standard and Plus).
  • Operating systems: Windows, Linux and macOS 26 or later on Apple Silicon (ARM).
  • Updates: auto-update delivers new versions as they are released.
  • Hardware: see the system requirements.
  • Universities: free licenses for teaching and research through the Academic License program.

g-Viewer SEG-Y viewer overview

How it works

How the download works

  1. Sign in to your Geomage account, or create a free one. If you are not signed in, the sign-in window opens when you click the download button, and the download starts once you sign in.
  2. Your operating system is detected and the matching installer downloads. If it can't be detected, you choose Windows, Linux or macOS.
  3. Run the installer, open g-Viewer and load your SEG-Y file.
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