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Thinking Line
AI-powered doodle video and vector generator
Thinking Line turns a prompt into a hand-drawn whiteboard explainer with narration, structured scenes, and step-by-step notes. Not just text-to-video it creates doodle-style lessons that feel like a real teacher at the board. Generate editable SVG visuals you can customize and animate. Now live: a full course built entirely with Thinking Line. Use the web app or integrate via API.
Hey Product Hunt! 👋
I built Thinking Line because most AI video tools generate visuals, but don’t actually teach. They create motion, not understanding.
I wanted a way to turn a simple prompt into something that feels like a real teacher at a whiteboard step by step notes, structured scenes, synced narration, and visuals that build concepts progressively.
What started as an experiment in generating SVG doodles evolved into a full pipeline that writes the lesson, draws the board, narrates it, and stitches it into a cohesive explainer video.
To prove it works, I used Thinking Line to create an entire public Mathematics course.
You can try the web app or plug directly into the API.
Happy to answer anything about how it works under the hood, the pipeline, or where this is going next.
About Thinking Line on Product Hunt
“AI-powered doodle video and vector generator”
Thinking Line was submitted on Product Hunt and earned 3 upvotes and 1 comments, placing #158 on the daily leaderboard. Thinking Line turns a prompt into a hand-drawn whiteboard explainer with narration, structured scenes, and step-by-step notes. Not just text-to-video it creates doodle-style lessons that feel like a real teacher at the board. Generate editable SVG visuals you can customize and animate. Now live: a full course built entirely with Thinking Line. Use the web app or integrate via API.
On the analytics side, Thinking Line competes within Design Tools, Artificial Intelligence and Video — topics that collectively have 730.3k followers on Product Hunt. The dashboard above tracks how Thinking Line performed against the three products that launched closest to it on the same day.
Who hunted Thinking Line?
Thinking Line was hunted by hritvik Gupta. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Thinking Line including community comment highlights and product details, visit the product overview.
hritvik Gupta