Pixuna Guides
Spreadsheet and CSV guides
Guides for converting, merging, sorting, cleaning, and reformatting CSV and Excel data in your browser.
How to Convert CSV to JSON and JSON to CSV
Convert between CSV and JSON in your browser, with delimiter detection, type handling, and flattening of nested objects.
2 min read →How to Convert Between CSV and Excel (XLSX)
Create an .xlsx workbook from CSV, or export Excel sheets as CSV, with notes on dates, formulas, and file support.
2 min read →How to Merge CSV Files and Remove Duplicate Rows
Combine several CSV files by matching column names, then remove repeated rows using all or selected columns.
2 min read →How to Sort and Filter CSV Data Without a Spreadsheet App
Sort a CSV by text, number, or date, filter rows by condition, and preview the result as a table.
2 min read →How to Convert Date and Number Formats in a CSV File
Change dates between DMY, MDY, and ISO formats and fix decimal and thousands separators, without guessing what ambiguous values mean.
2 min read →