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FindMeTool

CSV Tools

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This hub is for CSV cleanup and conversion: format, validate, filter, sort, dedupe, and move data between CSV and JSON. Start with the CSV Toolkit, then browse all 13 CSV utilities. Paste spreadsheet exports and copy results instantly. No upload required.

CSV tutorial

Learn how csv-formatter, csv-validator, CSV to JSON, dedupe, split, merge, filter, sort, and delimiter tools work together. Practical workflows for spreadsheet exports and data cleanup.

Read the full tutorial

Popular tools across FindMeTool

Start with these main tools and category hubs. City clocks and preset variants point back here so search can focus on the full tool pages.

CSV Toolkit

One page with a dropdown for every CSV operation: format, convert, columns, and rows.

CSV Toolkit
Free CSV toolkit with a dropdown for format, convert, column, and row tools. One paste area, every CSV utility on FindMeTool.
CSV

Format & validate

Clean column layout and check delimiter consistency on pasted exports.

CSV Formatter
Free CSV formatter to clean rows, columns, and quoting on pasted exports. Fix messy CSV online in your browser.
CSV
CSV Validator
Free CSV validator for delimiter detection, row counts, and column consistency. Browser-based.
CSV

Convert

Move data between CSV and JSON or change delimiters for TSV and pipe files.

CSV to JSON
Convert CSV to JSON online for free. Turn spreadsheet rows and API CSV exports into JSON arrays instantly.
CSV
JSON to CSV
Free JSON to CSV converter for arrays of objects. Copy CSV for spreadsheets and imports in your browser.
CSV
CSV Delimiter Converter
Free CSV delimiter converter for comma, tab, semicolon, and pipe files. Browser-based.
CSV

Columns

Split, merge, extract, or rename header columns without spreadsheet software.

CSV Column Splitter
Free CSV column splitter to break one field into multiple columns by delimiter. Runs in your browser.
CSV
CSV Column Merger
Free CSV column merger to combine fields with a custom separator. Browser-based CSV toolkit.
CSV
CSV Column Extractor
Free CSV column extractor by header name. Copy one column from a larger export in your browser.
CSV
CSV Header Renamer
Free CSV header renamer with one mapping per line. Browser-based CSV toolkit.
CSV

Rows

Filter, sort, or deduplicate rows using header names and plain text rules.

CSV Row Filter
Free CSV row filter to keep rows matching text in any cell. Browser-based.
CSV
CSV Sorter
Free CSV sorter to order rows by any column. Ascending or descending, in your browser.
CSV
CSV Deduplicator
Free CSV deduplicator to drop duplicate rows or dedupe by a column. Browser-based, no upload.
CSV

CSV tools FAQ

Are FindMeTool CSV tools free?
Yes. Format, validate, convert, and reshape CSV exports for free with no signup.
Do CSV tools upload my spreadsheet?
No. Paste CSV text into the page and processing runs locally in your browser when supported.
Which CSV tasks are covered?
Formatting, validation, JSON conversion, delimiter changes, column split/merge/extract, header renames, row filter, sort, and dedupe.
How many CSV tools does FindMeTool offer?
FindMeTool currently offers 13 CSV utilities in this category.

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