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Why this runs on your computer

There is no upload: The work happens in this tab. Your file never travels, so there is no copy of it anywhere but your own disk.
Nothing to delete later: Sites that upload promise to delete your file afterwards. That promise only matters because the file was theirs to hold.
It works with the Wi-Fi off: The honest test. Turn off your connection and the tools keep working, because everything they need is already here.

Free chart maker: your data never leaves the page

Paste a table from Excel or Google Sheets, pick a chart, and save it as a PNG for a slide or an SVG for print. Every chart is drawn here in the tab, so sales figures, survey answers and grades never get sent to a server to be turned into a picture.

Graph makerPaste a table and switch between column, bar, line, pie, scatter and radar Pie chart makerTurn labels and numbers into a pie or donut chart with the percentages on it Bar graph makerMake a bar graph - vertical or horizontal, grouped or stacked Line graph makerPlot one or more lines over time, with points, areas and axis titles Radar chart makerCompare scores across several measures on a radar (spider) chart Scatter plot makerPlot x against y, with a line of best fit, its equation and R² Histogram makerBin a list of numbers into a histogram, with the summary statistics beside it Box plot makerCompare groups with box and whisker plots: quartiles, outliers and means Venn diagram makerList what is in each set and get a Venn diagram with the overlaps filled in Word cloud generatorPaste any text and see its most frequent words as a word cloud