Guides
Email guides
Practical, no-fluff walkthroughs for working with email addresses and lists — extracting, de-duplicating, validating and cleaning. Every guide pairs with a free tool that runs entirely in your browser.
How to extract email addresses in Excel & Google SheetsThree ways to pull email addresses out of a spreadsheet — the fastest paste-in method, plus native Excel and Google Sheets formulas.How to remove duplicate emails in Excel, Google Sheets, Gmail & OutlookRemove duplicate email addresses fast — the one-paste method, plus native steps for Excel, Google Sheets, Gmail contacts and Outlook.What makes an email address valid? Email format rules explainedThe anatomy of a valid email address, the rules for the name and domain, the typos that break addresses, and why format checks differ from mailbox verification.How to extract email addresses from a PDFThe one-minute copy-paste method that works with any PDF reader, how to handle scanned PDFs with free OCR, and why multi-column layouts don't break extraction.How to clean an email list before importingCut bounces and protect your sender reputation: what to remove from an email list — invalid addresses, duplicates and role accounts — and the fastest way to do it.