Marketing CSV Cleaner - Clean Contact Lists Online

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About Marketing CSV Cleaner

Clean marketing leads fast

Upload a lead list and sanitize it in seconds. Everything runs in your browser so your CSV never leaves your device.

How it works

Upload or paste your CSV file.
Trim and normalize fields, split names, and dedupe by email or phone.
Flag invalid or placeholder emails and export the cleaned CSV.

Key features

Smart cleaning: trims whitespace, normalizes casing, and splits full names.
Deduping: removes repeat contacts by email or phone.
Email flags: highlights invalid or suspicious syntax.
Tracked links: merge columns into a URL template and optionally shorten with T.LY.
Client-side: your list stays local to your browser.

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