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csv transposer

world's simplest csv tool

Free online CSV transposer. Just upload your CSV file in the form below, and this tool will automatically transpose your CSV. In the tool options, you can specify the character that starts the comment lines in the CSV to remove them. Additionally, if the CSV is incomplete (missing values), you can replace missing values with the empty character or a custom character. Created by programmers from team Browserling.

᠎᠎᠎          Tool Options

Delete Comment Lines

You can delete comments from
a CSV file by specifying the
character that starts the
comment lines here.

Fix Incomplete CSV

Insert empty fields or custom
values where the CSV data
is missing.
Use this custom symbol to
insert into an incomplete CSV.

What is a csv transposer?

This tool transposes Comma Separated Values (CSV). It treats the CSV as a matrix of data and flips all elements across the main diagonal. The output contains the same CSV data as the input, but now all the rows have become columns, and all the columns have become rows. After transposition, the CSV file will have opposite dimensions. For example, if the input file has 4 columns and 3 rows, the output file will have 3 columns and 4 rows. During conversion, the program also cleans the data from unnecessary lines and corrects incomplete data. Specifically, the tool automatically deletes all empty records and comments that begin with a specific character, which you can set in the option. Additionally, in cases where the CSV data is corrupted or lost, the utility completes the file with empty fields or custom fields that can be specified in the options. Csv-abulous!


Csv transposer examples

Click to try

Transpose a 2x3 CSV

This example transposes a CSV with 2 rows and 3 columns. The tool splits the input data by the comma character, creating a 2 by 3 matrix. It then exchanges elements, turning columns into rows and vice versa. The output is a transposed CSV with flipped dimensions.

foo,bar,baz val1,val2,val3
foo,val1 bar,val2 baz,val3
Required options
These options will be used automatically if you select this example.
You can delete comments from
a CSV file by specifying the
character that starts the
comment lines here.

Transpose a Long CSV

In this example, we flip a vertical single-column CSV file containing a list of our favorite fruits and their emojis. This single column is transformed into a single-row CSV file and the row's length matches the height of the original CSV.

Tasty Fruit 🍑 peaches 🍒 cherries 🥝 kiwis 🍓 strawberries 🍎 apples 🍐 pears 🥭 mangos 🍍 pineapples 🍌 bananas 🍊 tangerines 🍉 watermelons 🍇 grapes
Tasty Fruit,🍑 peaches,🍒 cherries,🥝 kiwi,🍓 sstrawberries,🍎 apples,🍐 pears,🥭 mangos,🍍 pineapples,🍌 bananas,🍊 tangerines,🍉 watermelons,🍇 grapes
Required options
These options will be used automatically if you select this example.
You can delete comments from
a CSV file by specifying the
character that starts the
comment lines here.
Insert empty fields or custom
values where the CSV data
is missing.
Use this custom symbol to
insert into an incomplete CSV.

Clean and Transpose CSV Data

In this example, we perform three tasks simultaneously: transpose a CSV file, remove comments and empty lines, and fix missing data. The transposition operation is the same as flipping a matrix across its diagonal and it's done automatically by the program. Additionally, the program automatically removes all empty lines as they can't be transposed. The comments are removed by specifying the "#" symbol in the options. The program also fixes missing data using a custom bullet symbol "•", which is specified in the options.

Fish Type,Color,Habitat Goldfish,Gold,Freshwater #Clownfish,Orange,Coral Reefs Tuna,Silver,Saltwater Shark,Grey,Saltwater Salmon,Silver
Fish Type,Goldfish,Tuna,Shark,Salmon Color,Gold,Silver,Grey,Silver Habitat,Freshwater,Saltwater,Saltwater,•
Required options
These options will be used automatically if you select this example.
You can delete comments from
a CSV file by specifying the
character that starts the
comment lines here.
Insert empty fields or custom
values where the CSV data
is missing.
Use this custom symbol to
insert into an incomplete CSV.

Transpose a Number Matrix

This example shows a clever way how the CSV transposition tool can be used in math and applied to a numerical matrix. In the input of this example, we paste a 3-by-3 matrix containing single-digit numbers, and the tool rotates the matrix elements around the main diagonal, exchanging the digits.

1,2,3 4,5,6 7,8,9
1,4,7 2,5,8 3,6,9
Required options
These options will be used automatically if you select this example.
You can delete comments from
a CSV file by specifying the
character that starts the
comment lines here.
Insert empty fields or custom
values where the CSV data
is missing.
Use this custom symbol to
insert into an incomplete CSV.

Flip a Vector

In this example, we use our tool again for math purposes. We input a vertical column vector with 5 values as the data and transpose it into a horizontal, comma-separated row vector.

1 2 3 4 5
1,2,3,4,5
Required options
These options will be used automatically if you select this example.
You can delete comments from
a CSV file by specifying the
character that starts the
comment lines here.
Insert empty fields or custom
values where the CSV data
is missing.
Use this custom symbol to
insert into an incomplete CSV.

Pro tips Master online csv tools

You can pass input to this tool via ?input query argument and it will automatically compute output. Here's how to type it in your browser's address bar. Click to try!

https://onlinetools.com/csv/transpose-csv?input=foo%2Cbar%2Cbaz%0Aval1%2Cval2%2Cval3&comment-character=%2523

All CSV Tools

Didn't find the tool you were looking for? Let us know what tool we are missing and we'll build it!
Convert CSV to JSON

Quickly convert a CSV file to a JSON data structure.

Convert JSON to CSV

Quickly convert a JSON data structure to a CSV file.

Convert CSV to XML

Quickly convert a CSV file to an XML file.

Convert XML to CSV

Quickly convert an XML file to a CSV file.

Convert CSV to YAML

Quickly convert a CSV file to a YAML file.

Convert YAML to CSV

Quickly convert a YAML file to a CSV file.

Convert CSV to TSV

Quickly convert a CSV file to a TSV file.

Convert TSV to CSV

Quickly convert a TSV file to a CSV file.

Convert CSV to Text Columns

Quickly convert a CSV file to evenly aligned text columns.

Convert Text Columns to CSV

Quickly convert text columns to a CSV file.

Convert CSV to Base64

Quickly encode CSV to base64.

Convert Base64 to CSV

Quickly decode base64 to CSV.

URL-encode CSV

Quickly convert CSV to URL-encoding.

URL-decode CSV

Quickly decode CSV from URL-encoding.

Change CSV Delimiter

Quickly change the CSV column delimiter to a new symbol.

Prepend a CSV Column

Quickly prepend columns at the beginning of a CSV file.

Append a CSV Column

Quickly append one or more new columns at the end of a CSV file.

Insert a CSV Column

Quickly insert one or more new columns anywhere in a CSV file.

Extract a CSV Column

Quickly export one or more columns from a CSV file.

Replace a CSV Column

Quickly replace any column in a CSV file with a new one.

Delete a CSV Column

Quickly delete one or more columns from a CSV file.

Swap CSV Columns

Quickly swap two columns in a CSV file.

Convert CSV Columns to Rows

Quickly exchange columns with rows in a CSV file.

Convert CSV Rows to Columns

Quickly exchange rows with columns in a CSV file.

Transpose CSV

Quickly transpose a CSV file.

Truncate CSV Columns

Quickly truncate columns in a CSV file.

Trim CSV Columns

Quickly left-trim and right-trim column values in a CSV file.

Sort CSV Columns

Quickly sort data in one or more CSV columns.

Remove CSV Quotes

Quickly remove double quotes from all CSV fields.

Add CSV Quotes

Quickly wrap all CSV fields in double quotes.

Change CSV Quote Character

Quickly change the character that CSV fields are wrapped in.

Validate CSV

Quickly make sure the given CSV file doesn't have errors.

Find Incomplete CSV Records

Quickly find rows and columns in CSV that are missing values.

Fill Incomplete CSV Records

Quickly fill missing CSV values with placeholder values.


Coming Soon

These CSV tools are on the way!
Edit CSV in the Browser

Edit the contents of a CSV file in a neat editor.

Deduplicate CSV Data

Remove duplicate rows in a CSV file.

Print CSV Statistics

Display detailed information about a CSV file.

Convert CSV to HTML

Convert a CSV file to an HTML table.

Convert HTML to CSV

Convert an HTML table to a CSV file.

Convert CSV to Markdown

Convert a CSV file to a Markdown table.

Convert Markdown to CSV

Convert a Markdown table to a CSV file.

Convert CSV to ASCII Table

Draw an ASCII table from CSV data.

Convert CSV to ANSI Table

Draw an ANSI table from CSV data.

Convert CSV to Unicode Table

Draw a Unicode table from CSV data.

Convert CSV to PDF

Convert CSV to a PDF document.

Convert PDF to CSV

Extract data from a PDF and create a CSV file.

Convert CSV to an Image

Draw a CSV file as a PNG, JPG or GIF picture.

Convert Image to CSV

Extract data from an image and create a CSV file.

Convert CSV to Excel

Convert a CSV file to an Excel spreadsheet.

Convert Excel to CSV

Convert an Excel spreadsheet to a CSV file.

Convert CSV to vCard

Convert a CSV file to a vCard file.

Convert vCard to CSV

Convert a vCard file to a CSV file.

Convert CSV to LaTeX

Convert CSV to a LaTeX table.

Convert CSV to SQL

Generate SQL insert queries from a CSV file.

Convert SQL to CSV

Create a CSV file from SQL query results.

Convert CSV to qCSV

Convert a CSV file to a qCSV (quoted CSV) file.

Convert qCSV to CSV

Convert a qCSV (quoted CSV) file to a CSV file.

Convert CSV to INI

Convert a CSV file to an INI file.

Convert INI to CSV

Convert an INI file to a CSV file.

Convert CSV to JSONL

Convert a CSV file to a JSONL (JSON Lines) file.

Convert JSONL to CSV

Convert a JSONL (JSON Lines) file to a CSV file.

Convert CSV to TXT

Convert a CSV file to a plain text file.

Convert TXT to CSV

Convert a plain text file to a CSV file.

Convert CSV to 0SV

Convert a CSV file to a null-separated values file (0SV).

Convert 0SV to CSV

Convert a null-separated values file (0SV) to a CSV file.

Convert CSV to SSV

Convert a CSV file to a semicolon-separated file (SSV).

Convert SSV to CSV

Convert a semicolon-separated file (SSV) to a CSV file.

Convert CSV to HSV

Convert a CSV file to a hash-separated file (HSV).

Convert HSV to CSV

Convert a hash-separated file (HSV) to a CSV file.

Convert CSV to PSV

Convert a CSV file to a pipe-separated file (PSV).

Convert PSV to CSV

Convert a pipe-separated file (PSV) to a CSV file.

Convert CSV to SQLite

Create an SQLite database from the given CSV file.

Convert SQLite to CSV

Export tables from an SQLite database as CSV files.

Convert CSV to GeoJSON

Convert a CSV file to a GeoJSON file.

Convert GeoJSON to CSV

Convert a GeoJSON file to a CSV file.

Merge CSV Files

Merge together two or more CSV files.

Compare Two CSV Files

Visually show the differences between two CSV files.

Diff Two CSV Files

Run the diff algorithm on two CSV files.

Find Data in CSV

Find CSV cells that contain certain data.

Filter CSV Cells

Return data in a CSV file that matches a pattern.

Slice CSV

Extract a slice from a CSV file.

Cut CSV

Cut a fragment from a CSV file.

Rotate CSV Columns

Move CSV columns to the left or right.

Rotate CSV Rows

Move CSV data rows up or down.

Sort CSV Rows

Sort the data in one or more CSV rows.

Shuffle CSV Columns

Randomly change the positions of CSV columns.

Shuffle CSV Rows

Randomly change the order of CSV rows.

Shuffle CSV Values

Randomly change the order of all CSV values.

Rename CSV Columns

Change the name of CSV columns.

Create a Random CSV

Generate a random CSV of any size.

Create an Empty CSV File

Generate a CSV file that contains nothing.

Create a Large CSV File

Generate a large CSV file for testing.

Create a Custom CSV File

Generate a custom CSV file with m rows and n columns.

Delete Empty CSV Columns

Remove CSV columns that are completely empty.

Delete Empty CSV Rows

Remove CSV rows that are completely empty.

Delete Empty CSV Values

Remove all fields in a CSV file that are empty.

Delete Empty CSV Lines

Remove all empty lines in a CSV file.

Remove CSV Separator

Delete the comma separator from CSV files.

Remove Extra CSV Commas

Delete extra commas around CSV values.

Delete CSV Comments

Delete comments (lines starting with # or //) from CSV files.

Delete CSV Header

Delete the column header from a CSV file.

Delete First CSV Line

Delete the first line from a CSV file.

Compress a CSV File

Minify a CSV file and remove unnecessary whitespaces.

Optimize CSV File Size

Reduce the file size of a CSV file.

Change CSV Encoding

Change the character encoding of a CSV file to UTF8 or ISO-8859-1.

Add Extra Spaces in CSV

Add extra spaces between CSV columns.

Convert CSV to a Matrix

Convert a CSV file to an m-by-n matrix.

Convert CSV to an Array of Arrays

Convert a CSV file to an array of arrays of fields.

Convert an Array of Arrays to CSV

Convert an array of arrays of fields to a CSV file.

Convert CSV Columns to a List

Create a list from one or more CSV columns.

Convert CSV Rows to a List

Create a list from one or more CSV rows.

Convert CSV Columns to an Array

Create an array from one or more CSV columns.

Convert CSV Rows to an Array

Create an array from one or more CSV rows.

Find CSV Dimensions

Find the number of rows and columns of a CSV file.

Count CSV Columns

Find the number of columns in a CSV file.

Count CSV Rows

Find the number of rows in a CSV file.

Sum CSV Columns

Find the sum of CSV columns.

Sum CSV Rows

Find the sum of CSV rows.

Average CSV Columns

Find the average value of CSV columns.

Average CSV Rows

Find the average value of CSV rows.

Add Color to CSV

Use different colors for CSV data, quotes, and commas.

Animate a CSV File

Animate CSV data by showing column after column.

Fix a Broken CSV

Automatically fix a broken CSV.

Add Errors to CSV

Introduce random errors to a CSV file for fuzz testing.

Anonymize CSV Data

Hide personal or sensitive information in a CSV file.

Censor CSV Data

Mask data in a CSV file.

Hide a Message in a CSV

Hide a secret message in a CSV.

Encrypt CSV

Encrypt a CSV file and hide information in it.

Decrypt CSV

Decrypt a previously encrypted CSV file and make it readable.

Visualize CSV

Create a visual drawing that shows the CSV structure.

Create a CSV File

Create a new CSV file in the browser.

Unleash Zalgo on CSV

Distort a CSV file by infusing it with Zalgo characters.

Purge Zalgo from CSV

Neutralize the chaotic Zalgo and restore CSV integrity.

CSV Viewer

Preview the contents of a CSV file in an interactive editor.


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