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Contact CSV Doctor Lite

Clean and deduplicate up to 10 contacts locally. The Pro edition adds unlimited rows and Google, English Outlook, and Apple export formats.

Get unlimited Pro — $4.99

Local-only processingYour contacts stay on this device. No uploads, analytics, network calls, or external libraries.

Drop a CSV here

UTF-8 CSV, semicolon CSV, and tab-separated files are supported.

No file loaded.

Export settings

Destination format Duplicate handling

0source rows

0duplicates merged

0rows missing contact info

Automatic cleanup trims whitespace, lowercases email addresses, normalizes phone punctuation, preserves international “+”, and fills empty fields when duplicates are merged.

Preview

Load a file to preview the first 20 cleaned contacts.