Free tools
Free email tools that run in your browser: build SPF and DMARC records, plan follow-ups and check subject lines.
Free tool
SPF record generator
Build a valid SPF record for your domain: pick Google Workspace, Microsoft 365 and other senders, count DNS lookups, and copy one TXT record.
5 min read
Free tool
DMARC record generator
Build a DMARC record for your domain under the current standard (RFC 9989): policy, test mode, reports and alignment, with a safe path from none to reject.
5 min read
Free tool
Follow-up planner: when to follow up on an email
Pick the kind of thread and the day you sent it. Get dated follow-ups in business days, what each one should say, and when to stop. Free, in your browser.
4 min read
Free tool
Email subject line checker
Test a subject line before you send: length, how phones and desktops cut it, spammy words, capitals and punctuation, with a score and the reasons for it.
4 min read
Free tool
Business email cost calculator
What your team pays a month for Google Workspace or Microsoft 365 plus an AI email assistant like Fyxer or Superhuman, side by side, from public list prices.
4 min read
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