Email List Cleaner

Lowercase • Strip trailing periods • Validate • Deduplicate • Export

Paste your emails (any separators: commas, spaces, new lines)

Remove ALL periods from local-part (e.g., john.smith → johnsmith) Remove duplicates Drop invalid emails

Note: Always ensure you have permission to email these contacts and that your sending domain has valid SPF, DKIM, and DMARC.

Cleaned emails (one per line)

Total parsed: 0

Valid: 0

Invalid: 0

Duplicates removed: 0

RFC‑like validation: [a-z0-9._%+-]+@[a-z0-9.-]+\.[a-z]{2,} (case‑insensitive) Client‑side only • No uploads