Narzędzia Excel / CSV
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How to use the Excel and CSV tools
- Open a CSV or TSV file, or paste tabular data into the paste area and load it.
- Click a column header to sort, and type in the filter box to narrow the rows.
- Clean the data with the trim, remove empty rows, and remove duplicates buttons.
- Export the visible result as CSV or JSON, or copy it as TSV.
- Use the filter box with a keyword and clear it afterwards to return to the full table.
When it helps
- Inspecting exported spreadsheets without a desktop office suite.
- Removing blank rows and duplicate records from a mailing list.
- Sorting and filtering product or inventory data.
- Converting a table between CSV, TSV, and JSON formats.
- Normalising a messy contact list before importing it into an address book.
Frequently asked questions
Is my spreadsheet data private?
Yes. Files and pasted text are parsed entirely in your browser and never uploaded. A local copy is kept only in your own browser storage.
What are the limitations?
The tool handles delimited text such as CSV and TSV, not binary Excel workbooks. Very large tables may be slow, and cells are treated as plain text rather than formulas.
Which delimiters are detected?
The parser detects tabs, semicolons, and commas in the first line and chooses the most likely separator automatically.
Can I sort by a column?
Yes. Clicking a column header sorts the rows, and the direction toggles between ascending and descending order.
Does my data persist between visits?
The last loaded table is saved in your browser and restored when you return, unless your storage is cleared.
Does sorting mix numbers and text?
A column is sorted numerically when every visible value looks like a number, and alphabetically otherwise. This keeps numeric columns in a natural order. If a column contains a mix of numbers and text, the tool falls back to a text comparison so nothing is lost.