Description of DigitizeIt program at Mac Shareware: DigitizeIt can automatically digitize (x,y)-data from scanned graphs. Data values are transformed to a specified axes system and can be saved in ASCII format, ready to use in other applications. Can read most image formats (gif, png, tiff,bmp).

DigitizeIt digitizes scanned graphs and charts. Graphs can be loaded in nearly all common image formats (incl. gif,tiff,jpeg,bmp,png,psd,pcx,xbm,xpm,tga,pct) or pasted from the clipboard . Digitizing of line and scatter plots occurs automatically, manual digitizing via mouse clicks is also possible. Data values are transformed to a specified axes system and can be saved in ASCII format, ready to use in many other applications e.g. Microcal Origin or Excel. Axes can be linear, logarithmic or reciprocal scale. Multiple different data sets can be defined and edited. Can handle tilted and distorted graphs. Includes comprehensive online help.

DigitizeIt is a free to try software. You can free download and try it for an evaluation period.