You can't do this in Excel.

Create stunning interactive data visualizations.

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Powerful mathmatical functions provide endless ways to visualize your data


Filtergraph's interface gets out of the way so you can get to work.


No large attachments. Simple URLs that others can use instantly.


A workhorse designed to handle your data on the fly.


Filtergraph supports a wide array of file types:

  • ASCII text files (space separated, comma separated, tab separated, and fixed length)
  • Microsoft Excel files (*.xls, *.xlsx)
  • SQLite files (*.sqlite)
  • VOTable files (*.vot, *.xml)
  • FITS files (*.fits)
  • IPAC files (*.tbl)
  • Numpy files (*.npy)
  • HDF5 files (*.h5)


Generate scatter plots, histograms and tables:

  • Zoom by dragging on the graph
  • Rotate 3-D graphs to different angles
  • Filter data based on given criteria
  • Sort table data
  • Download to PNG, JPEG, GIF, PDF, PostScript, HTML, and ASCII
  • Share with others using simple URLs; no need to send out large attachments full of data

Ready to Start Graphing?

Filtergraph is used by over 1,000 people in 28 countries to empower large-scale projects such as the KELT-North and KELT-South ground-based telescopes, the Kepler, Spitzer and TESS space telescopes, and a soil collection project in Bangladesh.

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