Let subscribers listen at their pace. 1-minute summary or 10-minute deep dive. They choose. Works with any email platform.
No credit card required. 14-day free trial.
Add a “Listen” button to your newsletter. Readers tap, choose their duration, and listen while they drive, walk, or workout.
Three simple steps to audio-enable your newsletter
Copy your newsletter text into VoiceLetter. We'll analyze it and generate audio at multiple durations.
Select your voice style and preview the audio. Make sure it sounds perfect before publishing.
Get one line of HTML. Paste it into your email. Works with Mailchimp, ConvertKit, Beehiiv, and more.
Powerful features to grow your newsletter engagement
From 1-minute express summaries to full 10+ minute deep dives. Listeners choose their time budget.
Professional, Conversational, Executive Brief, or Storyteller. Match your brand's voice.
One line of HTML works in Mailchimp, ConvertKit, Beehiiv, Substack, and any email platform.
See who's listening, for how long, completion rates, and device breakdowns.
Invite your marketing team. Shared dashboard, unified billing, role management.
Automate audio generation with our REST API. Perfect for high-volume workflows.
One embed code. Universal compatibility.
Start free. Scale as you grow.
For newsletters just getting started
For growing newsletters
For teams and agencies
For high-volume publishers
All plans include 14-day free trial. No credit card required.
Join 500+ newsletters already using VoiceLetter to boost engagement.
No credit card required