Free Online CSV Tools
View, clean, convert, merge and manage CSV files
in your browser. Fast, secure and easy to use.
Everything you need to work with CSV files, all in one place.
CSV Viewer
Open and view CSV files with search, sort and filter.
→CSV Editor
Edit your CSV data easily and download.
→CSV Cleaner
Remove duplicates, fix errors and clean your data.
→CSV Merger
Combine multiple CSV files into one.
→CSV Splitter
Split large CSV files into smaller parts.
→CSV Validator
Check for errors and validate your CSV structure.
→CSV → JSON
Convert CSV to JSON format.
→JSON → CSV
Convert JSON to CSV format.
→CSV → Excel
Convert CSV data to Excel-ready format.
→Excel → CSV
Convert Excel files to CSV format.
→CSV → PDF
Export CSV tables as paginated PDF documents.
→CSV → SQL
Generate SQL table definitions and insert statements.
→Process your files in seconds, not minutes.
Your files never leave your browser.
Just upload and get started.
All core tools are free to use, forever.
Drag & drop your CSV file or click to browse.
Our tool works on your file instantly.
Get your result file, ready to use.
A complete CSV toolbox.
Common questions.
What is a CSV file?
A CSV file stores tabular data as plain text, with values separated by commas or another delimiter.
How do I open a CSV file?
Choose a CSV file above to preview its rows and columns directly in your browser.
Can I convert CSV to JSON?
Yes. RomitCSV includes a CSV to JSON converter for turning tabular rows into JSON data.
Are uploaded CSV files stored?
Supported browser-based tools process files locally on your device.