CSV Cleaner
CSV Cleaner.
Trim whitespace, remove empty rows, deduplicate, and normalize line endings.
Your files never leave your device
Processing… 0%
Options
What it does
Trim whitespace, remove empty rows, deduplicate, and normalize line endings.
Why use it
CSV Cleaner helps you clean csv file online in your browser — fast, private, no upload required.
Example input
name , email , signup_date Alice , alice@example.com , 2024-01-15 Bob,bob@example.com,2024-02-01
Example output
name,email,signup_date Alice,alice@example.com,2024-01-15 Bob,bob@example.com,2024-02-01 Removed 2 empty rows · trimmed whitespace
Frequently Asked Questions
Is my data uploaded when using CSV Cleaner?
No. All processing runs locally in your browser. Your files never leave your device.
Do I need an account?
No account is required. All tools are free and work instantly.