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Comment by CaRDiaK | Hacker News Reader

I created a dummy spreadsheet in Excel 2013 and saved as CSV. When I try to upload it gives "Invalid File. Please upload only csv, tsv files."

To eliminated any propriety meta data, I just saved a vanilla text file as csv and it gives me the same error.

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Excel has the annoying habit of outputting localised CSV. What does your CSV look like? This should work:

    "A","B"
    "a1","b1"
    "a2","b2"

I create a new file in notepad and save it as simple.csv with exactly this content and I get "Invalid File. Please upload only csv, tsv files."

Also be sure to switch it off of "plain text file" or it'll save as file.csv.txt (though if you have 'hide common file extensions' off you'd've noticed this in your file browser)

iirc notepad auto prepends .txt anyways if that value isn't changed.

Weird. I'm on Linux though, but I can't imagine that the line endings should matter.

Sorry for the naming confusion. This tool does not deal with MS Excel files which are binary files and needs specialized programs (like MS Office/libre office) to make sense out of it. This tool just reads plain text CSV/TSV Files. Also this is just a browser based tool reading the plain text CSV/TSV files and there is no server side program processing it.

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