Free tools
A curated list of free tools for outbound, marketing, and copywriting—fast, private, and simple.
CPM Calculator
Calculate CPM (cost per mille) from spend and impressions.
cpm calculator
cpm formula calculator
cpm impression calculator
Readability Checker
Check reading ease and grade level using Flesch-Kincaid formulas.
readability checker
readability checker free
flesch reading ease
ROAS Calculator
Calculate ROAS and break-even ROAS from revenue, spend, and gross margin.
roas calculator
break-even roas calculator
calculate roas
Cold Email Subject Line Analyzer
Analyze cold email subject lines for length, spam signals, and best practices.
cold email subject line
email subject line tester
cold email subject line examples
Cold Email Template Library
A curated library of cold email templates you can copy and adapt.
cold email template
tim ferriss cold email template
cold email examples
Cold Email Follow-up Sequence Builder
Build a follow-up schedule and copy templates for cold email sequences.
cold email follow up
follow up email sequence
cold email sequence