01
Enter a topic
Pick your topic and style. Add a custom prompt to set the tone and format you want.
Lapin's AI video production tool · Longform Pro
Turn exhausting one-off video production into a system built for consistent publishing
Choose a topic and Longform Pro connects scripts, images, voice, subtitles, rendering, and scheduled uploads in one workflow.
💻 Setup guidance included · 1-on-1 remote support if you get stuck
🆕 Free image generation unlocked + 15% off
Portfolio
Real Videos Made With This System
Swipe through videos made with the system.
History
Neuroscience
Thriller
Economy
Live Demo
100% Uncut - See the Real Production Process
Watch the full workflow live, exactly as it runs.
How it works
Three steps. Done.
No complex setup. Anyone can produce polished videos.
02
AI takes over
AI writes the script, generates images and video, and handles voice and subtitles - all automatically.
03
Render & Upload
Fast rendering delivers a finished video, then upload immediately or on a schedule. Manage up to 50 channels at once.
Features
AI makes it for you
Every stage of content production, handled by AI.
AI Topic Discovery
Google Trends data from Korea, the US, and Japan - no more staring at a blank screen wondering what to make.
AI Script Generation
Enter a topic, get a script. Adjust tone and format however you like.
AI Image & Video Generation
Free image generation via Google Flow. Free video generation via Grok. Zero image or video costs.
AI Voice Generation
High-quality TTS narration with adjustable emotional tone.
AI Subtitle Generation
Ultra-precise subtitle sync using CTC Aligner technology - burned directly into the video.
Direct YouTube Upload
Multi-channel integration and scheduled uploads cut production time by 90%.
Compare
Manual work, outsourcing, or Longform?
Three ways to produce one long-form video, compared side by side.
Swipe horizontally if the table is clipped
| Manual | Outsource | Longform Pro | |
|---|---|---|---|
| Your time per video | 2-3 days | Back-and-forth revisions | About 5 minutes |
| Cost structure | Courses, tools, API fees | ₩200k-400k per video | One-time purchase + running costs |
| Workflow | Research, script, edit, all manual | Communication and waiting | Script through upload automated |
Swipe through the fit cards to compare.
A good fit if you…
- No camera? No problemNo face, no voice needed. AI creates everything for you.
- Can't edit video? No problemNo Premiere, no After Effects needed. Enter a topic and get a finished video.
- Side-hustle YouTuberTime is the biggest obstacle for side-hustle creators. Enter a topic, spend 5 minutes, AI handles the rest.
- Multi-channel operatorManage up to 50 channels at once. Scheduled uploads make it effortless.
Not a good fit if you…
- Your content is mostly filmed footageVlogs, mukbangs, unboxings - channels built around direct filming aren't a match.
- You're already a Premiere + After Effects proIf you have advanced editing skills, doing it yourself might actually be faster.
- You want to start with zero investmentThere's a software purchase (Sale price+) and AI API running costs of under $0.70 per video. Compared to outsourcing ($150-300/video) or DIY (2-3 days/video), it's worth it - but it's not free.
- You want a web app with no installationSetup is a one-time process, 20-30 minutes. If you get stuck, 1-on-1 remote support walks you through it. After setup, everything runs with a single click.
Real Reviews
What real users are saying
Excerpted from actual KakaoTalk support conversations
"I've seen a lot of programs, but this is genuinely revolutionary. Building something this polished in just two months - it's an incredible piece of work."
Chosen by a non-technical user who has tried dozens of tools
Kim"Thank you for building such a great program! Images come out consistently and the video generation looks great too."
Running it abroad with no setup or operating issues
Heo"At first I thought it was expensive - now I don't. Labor is the biggest cost, and people never do the math."
Did script + images + video + subtitles manually for over a week before switching
LeePricing
Unlimited use for the cost of 10 outsourced videos
No unnecessary markup - API costs billed at cost, pass-through only (0% fee)
Low overhead after you start
Transparent per-video running costs, no surprises
- Image generation
- Free Fully free via Google Flow integration
- Video generation (I2V)
- Free Grok integration complete · Free with SuperGrok subscription
- TTS voice
- Cents per video Gemini native recommended
Per videoUnder ₩1,000 (~$0.70)When images + video generation are both free
Not satisfied within 7 days? Full refund, no questions asked.
Within 7 days of purchase, as long as your license hasn't been activated, we'll refund 100% no questions asked.
- Watch the live demo before you buy
- 1-on-1 remote installation support
- Request a refund via KakaoTalk
StarterCreateTopics · Scripts · Image generation
ProCreate + UploadRendering · Upload · Multilingual
AgencyCreate + Upload + Schedule50 channels · Scheduling · Bulk automation
Swipe through the pricing cards to compare plans.
Loading pricing...
FAQ
Frequently asked questions
Do I need any programming knowledge?
None at all. People who are not comfortable with computers are using it successfully.
If you get stuck during installation after purchase, message us on KakaoTalk and we'll provide 1-on-1 remote support. You won't be left on your own.
Step-by-step guides and video walkthroughs for API key setup are included with purchase.
If you get stuck during installation after purchase, message us on KakaoTalk and we'll provide 1-on-1 remote support. You won't be left on your own.
Step-by-step guides and video walkthroughs for API key setup are included with purchase.
What is Docker? Is installation complicated?
Docker is a tool that automatically sets up the environment your program needs to run. It has nothing to do with coding - you just install it.
People who are not tech-savvy follow the guide and complete setup in 20-30 minutes. Video guides walk you through every step, and if you get stuck, KakaoTalk support is there to help remotely.
People who are not tech-savvy follow the guide and complete setup in 20-30 minutes. Video guides walk you through every step, and if you get stuck, KakaoTalk support is there to help remotely.
How long does it take to make one video?
Your part - entering the topic and choosing options - takes about 5 minutes.
After that, AI automatically handles image generation, video creation, and rendering. Depending on the number of images/clips and your PC, that takes 20 minutes to an hour.
You can do other things while it runs - your time investment is just 5 minutes.
※ The Starter plan supports topic and content generation. Rendering requires Pro or above.
After that, AI automatically handles image generation, video creation, and rendering. Depending on the number of images/clips and your PC, that takes 20 minutes to an hour.
You can do other things while it runs - your time investment is just 5 minutes.
※ The Starter plan supports topic and content generation. Rendering requires Pro or above.
What does 'free image generation via Google Flow' mean?
Through the Google Flow integration, image generation costs you nothing.
A Gemini Pro subscription (~$20/mo) gives you the most stable experience, but a free account works too.
A Gemini Pro subscription (~$20/mo) gives you the most stable experience, but a free account works too.
What are the actual running costs?
Image generation: Free (Google Flow · with Gemini Pro subscription)
Video generation (I2V): Free (Grok integration · with SuperGrok subscription)
TTS voice: Cents per video
Subtitles: Included in API cost
Recommended: Gemini Pro (~$20/mo) + SuperGrok (~$30/mo)
With those two subscriptions, images and video are free - under $0.70/video, or around $7/month for 10 videos.
Video generation (I2V): Free (Grok integration · with SuperGrok subscription)
TTS voice: Cents per video
Subtitles: Included in API cost
Recommended: Gemini Pro (~$20/mo) + SuperGrok (~$30/mo)
With those two subscriptions, images and video are free - under $0.70/video, or around $7/month for 10 videos.
How much do API costs run roughly?
Under $0.70 per video.
That's based on free image and video generation. Costs vary with video length and settings.
That's based on free image and video generation. Costs vary with video length and settings.
Is there a limit on how many videos I can generate?
No limit - generate as many as you want.
API costs are your own, charged based on actual usage (BYOK).
API costs are your own, charged based on actual usage (BYOK).
Can I use my own script?
Yes. You can use your own script instead of (or alongside) the AI-generated one.
Can I use my own character or images?
Yes. Choose any visual style - stickman, 3D, realistic, or anything else.
Save a character you like and it stays consistent across all your videos.
Save a character you like and it stays consistent across all your videos.
What is 'My Character'?
A feature that lets you save characters you use often and load them instantly.
No need to configure from scratch each time - just pick a saved character and start.
You can set how often they appear and their role (narrator/character) for more natural-looking videos.
Starter saves 1, Pro saves 3, Agency saves 10.
No need to configure from scratch each time - just pick a saved character and start.
You can set how often they appear and their role (narrator/character) for more natural-looking videos.
Starter saves 1, Pro saves 3, Agency saves 10.
Stop spending days making videos. Bring in your AI production team.
You spend 5 minutes. AI handles the rest. Script, images, voice, subtitles - all automated.
15% off - active now