All Lists & Data tools
33 browser-based tools for lists & data.
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Unique WordsList unique words.Word FrequencyCount word frequency.Sort NumbersSort numbers.Sum a ListAdd numbers in a list.Average a ListCalculate an arithmetic mean.Median of a ListFind the median.Minimum & MaximumFind minimum and maximum.List IntersectionFind shared items.List DifferenceFind items only in A.List UnionCombine lists without duplicates.CSV to LinesConvert a simple CSV column to lines.Lines to CSVConvert lines to a CSV column.Count List ItemsCount items in a line-separated list.Prefix List ItemsAdd the same prefix to every list item.Suffix List ItemsAdd the same suffix to every list item.Lines to JSON ArrayTurn each non-blank line into a JSON array item.JSON Array to LinesTurn a JSON array into one item per line.ASCII Table CreatorCreate an aligned ASCII table from rows and columns.CSV ValidatorCheck CSV structure and report inconsistent rows.CSV Column CounterCount columns and rows in CSV text.CSV TransposerTranspose CSV rows and columns.CSV To JSONConvert CSV text into a JSON array.JSON To CSVConvert a JSON array of objects into CSV.List Number RangeGenerate a numbered range as a text list.List FilterFilter lines using a simple text search.List Unique Case InsensitiveRemove duplicate list items without case sensitivity.List To Markdown TableTurn lines or delimited data into a Markdown table.List To HTML TableTurn delimited text into an HTML table.List To SQL ValuesTurn list items into SQL VALUES tuples.List Quote WrapperWrap each list item in quotes.List Prefix NumberPrefix each line with a sequential number.List ChunkerSplit a list into equally sized groups.List InterleaveInterleave two lists line by line.