CSV Studio is a fast, offline toolkit for working with CSV files on Windows. Open a file and CSV Studio automatically detects the encoding, separator, quote character, and headers \u2014 no guesswork. Preview your data, inspect per-column statistics, clean it up with a click, edit it like a spreadsheet, and export to CSV or JSON. Everything runs entirely on your PC: your data never leaves your computer.\n\nWhether you're fixing a messy export, standardizing files for import, or just exploring a dataset, CSV Studio keeps it quick and clutter-free.\n\nWHAT YOU CAN DO\n\n\u2022 Auto-detect encoding, delimiter, quote character, and headers when you open a file\n\u2022 Review per-column statistics: detected type, empty values, distinct and duplicate counts, min/max\n\u2022 Edit inline \u2014 change any cell; add, duplicate, or delete rows and columns; rename column headers\n\u2022 Undo and redo every change with Ctrl+Z / Ctrl+Y\n\u2022 Clean up with one click: trim spaces, remove empty rows, remove duplicate rows or columns, change case (UPPER / lower / Title)\n\u2022 Find & Replace across all cells, with regex and match-case options\n\u2022 Batch process dozens of files at once\n\u2022 Export to CSV (with your choice of encoding and separator) or JSON\n\u2022 Switch between Light and Dark themes, with the modern Mica look on Windows 11\n\nPRIVACY FIRST\n\nCSV Studio works 100% offline. It has no internet access \u2014 your files stay on your machine, always.