What is CSV?
CSV (comma-separated values) is a plain-text tabular format in which each line is a row and fields are separated by commas. It has no single formal standard; RFC 4180 describes the most common conventions.
Also written as Comma-separated values
16 tools that work with CSV
Files never leave your browser.
Data & Format Tools8
CSV AnalyserProfile a CSV: column types, missing values, ranges, distinct counts and outliers.CSV Column ExtractorPull selected columns out of a CSV by name or position, and reorder them.CSV Duplicate RemoverRemove duplicate rows from a CSV, matching on every column or just a key you choose.CSV Merger & JoinerJoin two CSV files on a shared key, or stack them, with inner, left and outer joins.CSV SplitterSplit a CSV into chunks of N rows, or into separate files grouped by a column value.CSV to Markdown TableTurn CSV, TSV or pasted spreadsheet data into a Markdown, HTML or reStructuredText table.CSV Viewer & Table ConverterView CSV data as a sortable table and export it as JSON or a Markdown table.Data Format ConverterConvert between JSON, YAML, XML, CSV, TSV and TOML in any direction, locally in your browser.
Samples & Mock Data4
Mock Data GeneratorGenerate realistic fake test data in 14 formats from 100+ field types, with reproducible seeds.Sample Dataset GeneratorDownload ready-made sample datasets — users, orders, products, transactions — as CSV, JSON, SQL or Excel-ready TSV.Sample File GeneratorCreate valid test files of an exact size in 22 formats — text, data, code, images, audio, PDF and ZIP.Sample File LibraryDownload a ready-made ladder of 15 sample files: size steps, page counts, aspect ratios, durations or row counts.
Related terms
Terms that appear alongside CSV on the same tools.