Data & CSV Utilities
Fast, client-side tools for CSV conversion, cleaning, transformation, table joins, deduplication, and synthetic test data generation. Zero server uploads.
CSV Converter
Universal CSV, TSV, and delimiter converter
CSV to JSON
Convert CSV spreadsheets into structured JSON arrays
JSON to CSV
Export JSON arrays into CSV spreadsheet format
CSV to TSV
Convert comma-separated values to tab-separated values
TSV to CSV
Convert tab-separated values into CSV format
CSV Viewer
Interactive HTML table viewer and previewer for CSV files
CSV Formatter
Clean up CSV formatting, quotes, and spacing
CSV Validator
Check CSV for missing fields, inconsistent columns, and syntax errors
CSV Sorter
Sort CSV rows alphabetically or numerically by column
CSV Filter
Filter CSV data by column values or keyword search
Remove Duplicate Rows
Deduplicate CSV dataset rows instantly
Trim Whitespace
Trim leading and trailing spaces from string cells
Remove Empty Rows
Remove rows where all cells are empty or whitespace
Remove Empty Columns
Delete columns that contain no data across all rows
Remove Duplicate Columns
Detect and remove duplicate header names or column data
Fill Missing Values
Replace blank cells with custom text, zero, or N/A
Replace Values
Find and replace cell values with exact or partial match
Normalize Column Values
Standardize textual variations (yes/YES/y -> Yes) and letter casing
Select Columns
Choose specific columns to keep from your CSV file
Remove Columns
Select unwanted columns to drop from your dataset
Rename Columns
Modify column header names with custom text fields
Reorder Columns
Rearrange column sequence order using position controls
Extract Column
Isolate a single column as plain text, JSON, or CSV
Combine Columns
Concatenate multiple columns using custom separators
Split Column
Split a column into multiple columns using delimiters
Transpose Data
Flip CSV rows and columns matrix instantly
Merge CSV Files
Combine multiple CSV files into one unified file
Split CSV File
Divide large CSV files into smaller downloadable chunks
Join CSV Tables
Relational SQL joins (Inner, Left, Right, Full) on key columns
Compare CSV Files
Diff two CSV files to highlight added, removed, and changed rows
Randomize Rows
Randomly shuffle dataset rows using Fisher-Yates
Sample Rows
Extract random row samples or percentage subsets