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I built an XLSB viewer that runs entirely in your browser — no uploads, no servers, no BS Ever received a .xlsb file and realized you can't open it without Excel? Google Sheets doesn't support it. Most online converters want you to upload your file to their servers. And half of them don't even handle large files. So I built my own. What it does: - Drop any .xlsb, .xlsx, or .xls file and view it instantly in a sortable, searchable table - Convert to JSON in one click (records, array,...
Comments (2)
bet it chokes on huge files
finally someone fixed the xlsb nightmare, no more booting excel just to peek at a file
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