Castmagic

Use AI to transform long-form video and audio into content for blogs and social media

Choose 1 year, 3 years, or lifetime access!

Your clients are superheroes in their businesses, but they need help when it comes to repurposing existing content. ("Their arch-nemesis? A 12GB video file.")

Sure, you could try manually sifting through all their transcripts for blog post ideas—if you have zero plans to scale your agency.

Wish there was an AI-powered platform that made it easy to turn long-form audio and video into engaging written content?

Make way for Castmagic.

TL;DR

too long didn't read
Transcribe long-form audio and video to repurpose it as ready-to-publish written content for clients
Leverage your media library to automate your content workflow and create new assets

At-a-glance

Overview

Castmagic is an AI repurposing platform that helps agencies and content teams turn long-form media into shareable content assets.

Repurpose long-form audio and video

Castmagic lets you transform long-form audio and video into ready-to-publish content in just a few clicks.

  • Upload media from different sources like local files, YouTube, Vimeo, Zoom, and Google Drive
  • Use preset AI prompts and time stamps to generate text for content titles, key takeaways, and blog posts

AI content repurposing

Import your long-form media files and get high-quality, text-based content in seconds.

Do more with custom prompts

Want more control over content generation? Castmagic also lets you customize all your prompts for X threads, LinkedIn posts, Instagram Reel scripts, and more.

  • Set up recurring prompts to run on every file you upload for regularly scheduled content
  • Train the AI on each client’s unique voice, tone, and formatting style by uploading content samples

Custom prompts

Create custom prompts and enable recurring prompts that run on every file upload.

Create social media assets

Best of all, you can turn long-form content into viral-worthy assets customized for your client’s target social media platforms.

  • Generate image cards, audiograms, and captioned videos that are ready to post
  • Adapt content for Instagram, LinkedIn, and TikTok to maximize reach without breaking a sweat

Social media content

Turn key moments into sharable clips, audiograms, and image cards.

Keep all your content organized

Castmagic lets you store and organize all your AI-generated content in one place, so you never lose track of what’s ready to go for any of your clients.

  • View your content pipeline using statuses to track your tasks
  • Collaborate with clients using comments for feedback and real-time editing features
  • Share task items with other stakeholders via links with customized permissions

Content organization

Stay on top of things with statuses, built-in comments, and real-time client collaboration.

Don’t start content creation from scratch! In just a few clicks, Castmagic lets you turn long-form media into ready-to-publish clips, transcripts, and social posts for clients.

Grow your agency with repurposed content.

Get Castmagic at its lowest price!

From the founders

A message from Castmagic

What’s up, Sumolings! 👋

I’m Blaine Bolus, co-founder of Castmagic and host of DTC Pod, one of the top podcasts in the consumer business space.

As a creator, I was constantly looking for a better way to extract value from my conversations and turn interviews into high-value assets for multiple platforms. Transcribing, pulling key takeaways, and writing content from scratch took way too much time—so I started wondering: Could AI do this better?

That’s when I teamed up with my DTC Pod co-host, Ramon, who ran Trend at the time, and our friend Justin, a technical mastermind and founder of Upside.

Together, we built Castmagic to automate content repurposing and make content workflows effortless for podcasters, creators, and businesses.


🚀 How Castmagic Took Off

We launched in March 2023, and things moved fast. Noah from AppSumo discovered Castmagic, used it on his podcast, and loved it.

Next thing we knew, AppSumo reached out, and we kicked things off with a launch event at SXSW. Since then, we’ve grown to serve over 100,000 customers and scaled to nearly $2M in annual revenue.

Some of the biggest brands in the world—including HubSpot, AppSumo, Impact Theory, Maxwell Leadership, Notre Dame, Yale, and Ministry Brands—use Castmagic to automate their content creation with AI.


✨ Why You’ll Love Castmagic

If you create audio or video content—whether it's podcasts, webinars, sales calls, coaching sessions, or interviews—you know how time-consuming it is to extract insights, write show notes, create social content, and format everything for different platforms.

With Castmagic, you can:

✅ Turn any recording into ready-to-publish content in seconds

✅ Automate repurposing with custom AI prompts that match your voice

✅ Create clips, audiograms, and captioned videos instantly

✅ Stay organized with a project management-style


Content Pipeline

We built Castmagic because we needed it ourselves—and now, it’s saving thousands of creators and businesses hours of work every week.


🎉 Let’s Get Started

We’re pumped to bring Castmagic back to the AppSumo community, where creators and entrepreneurs thrive.

Can’t wait for you to try it, and we’d love to hear your feedback! Drop us a comment, share your experience, and couldn't be more excited to continue building something great together.

🚀 — Blaine Bolus Castmagic Co-Founder

Read more

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