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Popular Tools
CSV to Excel → CSV to JSON → CSV Viewer → Merge CSVs →

Convert File Formats

29 tools

Transform CSV files to and from other formats.

CSV to Excel

Export CSV data to .xlsx spreadsheets

Excel to CSV

Import .xlsx files and convert to CSV

CSV to JSON

Convert CSV files to clean, structured JSON

JSON to CSV

Convert JSON arrays to downloadable CSV

CSV to XML

Transform CSV into well-formed XML documents

XML to CSV

Convert XML data with repeating elements into CSV

CSV to TSV

Convert comma-separated values to tab-separated format

TSV to CSV

Convert tab-separated data into comma-separated CSV

CSV to HTML

Generate HTML tables from CSV data for easy web embedding

HTML to CSV

Extract table data from HTML and convert to CSV

CSV to YAML

Transform CSV data into clean, readable YAML documents

YAML to CSV

Convert YAML lists into CSV format

CSV to Markdown

Convert CSV data into GitHub-flavored Markdown tables

Markdown to CSV

Convert Markdown tables into CSV format

CSV to JSON Lines

Convert CSV rows into newline-delimited JSON (JSONL/NDJSON)

JSON Lines to CSV

Convert JSONL/NDJSON data into CSV format

CSV to SQL

Generate SQL INSERT statements from CSV data

CSV to Fixed Width

Convert CSV data into fixed-width column format

Fixed Width to CSV

Convert fixed-width column data into CSV format

CSV to LaTeX

Generate LaTeX table markup from CSV data

Parquet to CSV

Convert Apache Parquet files to CSV format

Feather to CSV

Convert Apache Feather/Arrow files to CSV format

CSV to vCard

Soon

Transform CSV contact lists into vCard (.vcf) files

CSV to VCF

Soon

Export CSV contacts as VCF files for email and phone import

CSV to KML

Soon

Generate KML geographic data files from CSV coordinates

CSV to Base64

Soon

Encode CSV data as a Base64 string for safe transport

SPSS to CSV

Soon

Convert SPSS (.sav) files to CSV format

Stata to CSV

Soon

Convert Stata (.dta) files to CSV format

CSV to Parquet

Soon

Convert CSV into columnar Parquet format for efficient storage

See all converters →

Personal Finance Formats

10 tools

Convert between CSV and financial formats like OFX, QBO, QFX, QIF, YNAB, and Xero.

CSV to YNAB

Convert CSV bank statements into YNAB-compatible import format

CSV to Xero

Convert CSV bank statements into Xero-compatible import format

CSV to QBO

Convert CSV bank transactions into QuickBooks format

QBO to CSV

Convert QuickBooks QBO files into CSV format

CSV to QFX

Convert CSV bank transactions into Quicken format

QFX to CSV

Convert Quicken QFX files into CSV format

CSV to OFX

Convert CSV financial data into Open Financial Exchange format

OFX to CSV

Convert OFX financial files into CSV format

CSV to QIF

Convert CSV financial data into Quicken Interchange Format

QIF to CSV

Convert Quicken QIF files into CSV format

Row Operations

10 tools

Filter, sort, slice, and transform rows in your CSV files.

Filter Rows

Keep only rows that match your criteria

Sort CSV

Sort rows by any column, ascending or descending

Remove Duplicates

Find and eliminate duplicate rows

Sample Rows

Pick a random sample of rows from your CSV

First N Rows

Extract the first N rows from your CSV

Last N Rows

Extract the last N rows from your CSV

Slice Rows

Extract a range of rows by start and end position

Add Row Numbers

Add a sequential row number column to your CSV

Reverse Rows

Reverse the order of rows in your CSV

Shuffle Rows

Randomly reorder all rows in your CSV

Column Operations

13 tools

Add, remove, rename, reorder, and transform columns in your CSV.

Remove Columns

Delete one or more columns from your CSV

Extract Columns

Keep only the columns you need from your CSV

Rename Columns

Change the header names of your CSV columns

Reorder Columns

Rearrange the column order in your CSV

Add Column

Add a new column with a default value to your CSV

Split Column

Split one column into two columns by a delimiter

Merge Columns

Combine two columns into one using coalesce logic

Map Column Values

Replace column values using a visual mapping table

Uppercase Column

Convert all values in a column to uppercase

Lowercase Column

Convert all values in a column to lowercase

Swap Column Data

Swap the data between two columns in your CSV

Duplicate Column

Create a copy of an existing column

Computed Column

Soon

Add a column calculated from other column values

Analyze Data

15 tools

Inspect, explore, and understand your data.

Column Counter

Count the number of columns in your CSV

CSV Viewer

View and explore CSV files in a sortable table

Column Stats

Get data type, null count, unique count, and common values per column

Calculate Dimensions

Get the row count, column count, and size of your CSV

Row Counter

Quick count of rows, columns, and empty cells

Count Values

Count the number of non-empty values in each column

Summary Statistics

Get count, mean, min, max, and percentiles for numeric columns

Sum Column

Calculate the total of all values in each numeric column

Average Column

Calculate the average of all values in each numeric column

Count Unique

Count the number of distinct values in each column

Running Total

Add a cumulative sum column to your CSV

Percentage of Total

Add a column showing each row's share of the total

Rolling Average

Calculate a moving average over a sliding window of rows

Data Profiler

Soon

Automatic data type detection and quality report

Group and Aggregate

Soon

Group rows by column values and calculate totals, averages, and counts

Extract Data

3 tools

Pull specific data like emails, phone numbers, and URLs from your CSV.

Extract Email Addresses

Find and extract all email addresses from your text or CSV

Extract Phone Numbers

Find and extract all phone numbers from your text or CSV

Extract URLs

Find and extract all URLs from your text or CSV

Privacy

2 tools

Anonymize and redact sensitive data in your CSV files.

Anonymize Columns

Replace sensitive column values with fake data

Redact Columns

Mask or remove sensitive values from selected columns

Transform Data

7 tools

Reshape, pivot, and restructure your CSV data.

Transpose CSV

Soon

Swap rows and columns in your CSV

Pivot CSV

Soon

Reshape long data into wide format

Melt CSV

Soon

Reshape wide data into long format

Bin Numeric Column

Soon

Group numeric values into bins or ranges

One-Hot Encode Column

Soon

Convert categorical values into binary columns

Extract Date Parts

Soon

Pull year, month, day, and more from date columns

Regex Extract

Soon

Extract values from a column using a regular expression

Clean Data

13 tools

Fix formatting, remove unwanted content, and tidy up your CSV.

Add Header Row

Add a header row to a CSV that doesn't have one

Remove Header Row

Remove the header row from your CSV

Change Header Case

Switch headers between camelCase, snake_case, kebab-case, and more

Remove Empty Rows

Delete rows that are completely empty

Fill Missing Values

Replace empty cells with a default value

Find and Replace

Search for values in your CSV and replace them

Trim Whitespace

Remove leading and trailing spaces from all cells

Remove HTML Tags

Strip HTML tags from cell values in your CSV

Remove Comments

Remove comment lines from your CSV

Remove Whitespace

Strip all unnecessary whitespace from your CSV

Compress CSV

Minify your CSV by removing unnecessary whitespace and formatting

CSV Validator

Check your CSV for formatting errors and structural issues

CSV Linter

Soon

Detect and fix common CSV formatting problems

Generate Files

1 tools

Create sample datasets and generate fake CSV data for testing.

CSV Generator

Soon

Generate fake CSV data with realistic names, emails, dates, and more

Manipulate Files

7 tools

Edit, combine, and transform your CSV data.

Merge CSVs

Combine multiple CSV files into one

Split CSV

Break large CSVs into smaller chunks

Split by Column Value

Split a CSV into multiple files based on column values

CSV Editor

Soon

Edit cells, add rows, and fix data inline

Join Files

Soon

Join two CSV files on a shared column

VLOOKUP

Soon

Look up values from one CSV and add them to another

Anti-Join

Soon

Keep rows from one file that don't appear in another

Compare Files

3 tools

Compare, diff, and find differences between CSV files.

Compare Files

Compare two CSV files and highlight the differences

Find Missing Rows

Find rows in one file that are missing from another

Find Common Rows

Find rows that appear in both CSV files

Your data never leaves your device

Every tool on CSV Tools runs entirely in your browser using JavaScript. Your files are never uploaded to any server. There's nothing to trust because there's nothing to send. Open the network tab and see for yourself.