⚡ Alert Trigger: Losing 10% of paid newsletter revenue to Substack platform fees
Substack (10% Cut) / Legacy Newsletter → Kit (formerly ConvertKit) Savings & CSV Migration Tool
Instant 2026 Substack (10% Cut) / Legacy Newsletter to Kit (formerly ConvertKit) migration calculator and client-side CSV schema mapper. Calculate estimated annual savings (Losing 10% of paid newsletter revenue to Substack platform fees) and convert exported CSV headers in 1 click.
1. Annual Cost-Shock Escape Estimator
Slide to match your current usage on Substack (10% Cut) / Legacy Newsletter
15,000
Est. on Substack (10% Cut) / Legacy Newsletter
$0/mo
$0 / year
Recommended: Kit (formerly ConvertKit)
$0/mo
$0 / year
Estimated 12-Month Savings with Kit (formerly ConvertKit)
$0 / year
SAVE 0%
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2. Local CSV Header Mapper (Kit (formerly ConvertKit) Ready)
Paste sample rows from your Substack (10% Cut) / Legacy Newsletter CSV export. Creates a new copy formatted for Kit (formerly ConvertKit) locally in your browser.
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