Features

AI content repurposing features built for TikTok, LinkedIn, and AI video workflows

Sparkcastr helps creators, solopreneurs, and small marketing teams repurpose content from blog posts, videos, podcasts, and text into platform-ready drafts without rebuilding the workflow for each channel.

Content repurposing inputs

Start from the source you already have instead of rewriting everything from scratch.

  • -Blog post and article URL ingestion
  • -YouTube transcript extraction
  • -Podcast and long-form text repurposing
  • -Raw text and notes as direct input

AI outputs for every channel

Generate platform-native drafts for the channels that matter most to creators and lean teams.

  • -TikTok and Instagram Reels scripts
  • -LinkedIn posts and X threads
  • -YouTube Shorts and long-form video scripts
  • -Newsletter and email-ready drafts

AI video workflow

Turn a generated script into a ready-to-publish short-form AI video without recording yourself.

  • -Avatar-based AI video generation
  • -9:16 short-form video format
  • -Creator-friendly script cleanup before rendering
  • -Built for TikTok and Reels publishing workflows

Publishing and consistency

Keep output quality stable even when one person owns the whole content engine.

  • -Brand voice memory for more on-brand drafts
  • -Social media automation for repeatable publishing
  • -Free tier for testing the workflow before upgrading
  • -Simple pricing for solopreneurs and small teams

Workflow

How Sparkcastr turns one source into multiple outputs

  1. Step 1

    Paste a blog post, video, podcast transcript, or text draft.

  2. Step 2

    Choose the target output format for TikTok, LinkedIn, X, email, or video.

  3. Step 3

    Generate the first draft, edit it, and publish faster with AI assistance.

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FAQ

Sparkcastr video workflow questions

What is Sparkcastr?

Sparkcastr is an AI-powered content repurposing tool that turns blog articles into short-form videos for TikTok and Instagram with an AI avatar, AI voiceover, and burned-in subtitles.

How does Sparkcastr work?

Sparkcastr takes your blog post URL, turns it into a video script with AI, creates an avatar video, transcribes it with AssemblyAI, burns in subtitles, and publishes the finished video to TikTok and Instagram automatically.

Which social media platforms does Sparkcastr support?

Sparkcastr currently supports TikTok and Instagram Reels, with one workflow that can publish to both platforms.

Does Sparkcastr add subtitles to videos automatically?

Yes. Sparkcastr uses AssemblyAI for transcription and burns subtitles directly into the final video with FFmpeg before publishing.

Can Sparkcastr publish videos automatically on a schedule?

Yes. Sparkcastr runs a daily automated pipeline at 19:00 Paris time that picks up the latest blog article, generates the video, and publishes it to connected platforms.

What AI tools does Sparkcastr integrate with?

Sparkcastr integrates AI avatar video generation, AssemblyAI for transcription and subtitles, and UploadPost for social media publishing.