These are software tools developed for various purposes, including data transformation, coordinate/datum conversion, and others. Use of them is free and un-restricted. If you would like access to the source code, please contact me.
Julian Date Conversion This script converts text dates of the form "MMDD" into their julian equivalents. Paste a column of dates into the page, and it outputs the same column as text in the browser and you can copy/paste the new column back into your analysis program.
Time Colon Insterter This script converts text times enters as "HHMM" to proper times with colons ("HH:MM"), which can be interpreted in spreadsheet programs and the like. Paste a column of times into the page, and it outputs the same column as text in the browser and you can copy/paste the new column back into your analysis program.
Slash Date Insterter This script behaves similarly to the Julian Date converter. Here, slashes and the year are interted into the same "MMDD" date format resulting in a "MM/DD/YY" string which is readable by many different programs. Paste a column of dates into the page, and it outputs the same column as text in the browser and you can copy/paste the new column back into your analysis program.
Decimal Degree (WGS84) to UTM Datum Shifter Takes coordinate pairs and converts back and forth between the WGS-84, decimal degree datum and a UTM datum of you choosing. Right now, it only works for UTM zones 11S and 10S for back conversion to WGS84 decimal degrees.

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