Lowercase every address and catch the typos before they reach your CRM.
Free for files up to 2,000 rows and 10 runs a day. Sign up for Dedupely to go further.
Find the same inbox written five ways
John.Smith+promo@gmail.com and johnsmith@gmail.com reach one inbox. A CRM stores them as two people. Both get the same sequence.
This tool rewrites each address to its plain form and lists what changed.
Catch gamil.com before the bounce
A typo domain looks fine in a spreadsheet. It bounces on the first send. The contact is lost and the sender score takes the hit.
Dedupely finds the contacts that share an inbox and merges them inside your CRM.
Use it from a script or an AI agent
POST https://dedupe.ly/tools/api/email-normalizer
{ "emails": ["John.Smith+promo@Gmail.com", "ellis@gamil.com"] }
MCP https://dedupe.ly/tools/mcp (tool: normalize_emails)
Docs https://dedupe.ly/tools/api/openapi.json
Get started for free
20 free trial merges and as much free support as you need to get your duplicates under control.
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"Great tool that works as promised. Great customer support - Nestor was super helpful onboarding."
R McNaught
HubSpot User
HubSpot Marketplace Running CRM cleanup for clients? See the Partner Program
