Free tools for your cold email outreach
Six tools to check your domain, review your messages and plan your sending. No account, no credit card.
Gmail, Yahoo, Outlook compliance checker
Check your domain's SPF, DKIM and DMARC, then go through the 2024-2025 sender rules checklist.
Open the toolSpam word checker
Paste your text: risky phrasing is highlighted with an explanation and an alternative.
Open the toolSending volume calculator
How many emails a day without damaging your domain, and how to ramp up week after week.
Open the toolCost comparison calculator
Your yearly budget at lemlist, Instantly, Smartlead and others, compared with FluenzR Pro at 19 euros a month.
Open the toolGDPR notice generator
Information notice, data source and objection wording for B2B prospecting in France, ready to copy.
Open the toolAI email subject line generator
Describe your message: six short subject line ideas, free of spam wording, ready to copy.
Open the tool
These tools give practical guidance, not guarantees. Mailbox provider rules and the law change: check the sources cited on each page.