Essential utilities for marketers and affiliates. No signup, no tracking, everything runs in your browser.
Calculate the lifetime value of your leads based on conversion rates, average deal size, and customer retention. Enter your funnel metrics to see how much each lead is worth at every stage - from initial contact through closed deal. Use it to set CPA targets, justify ad spend, and prioritize your highest-value lead sources.
Try it freeNeed smarter lead gen tools? Try LeadSpark to boost conversions
Get StartedTest and optimize your email subject lines before you send. Get a readability score, character count analysis, spam trigger detection, and suggestions for improving open rates. Paste in your subject line to see how it performs against best practices for length, personalization, urgency, and clarity. Send better emails, get more opens.
Try it freeNeed smarter lead gen tools? Try LeadSpark to boost conversions
Get Started