Free Explainer Video with AI Voice & Animation

You want to create a professional-looking explainer video with voiceover and simple animations, but have zero budget. We'll use completely free AI tools to script, generate visuals, add voice, and animate—all without spending a dime.

4 stepа 2 views 0 votes 02.02.2026
1
Write the Scri…
2
Generate Scene…
3
Create a Natur…
4
Animate & Asse…
📝

Step 1: Write the Script & Plan Scenes

ChatGPT Free+

Go to chat.openai.com → In a new chat, paste the prompt example below → Ask it to break the script into 5-7 short scenes with a visual description for each.

Free tier
Yes, with GPT-3.5
Pro / Paid gives
GPT-4 for more nuanced scripts
Worth paying?
Free alternative
Claude (claude.ai) also has a generous free tier.
Prompt — copy and paste:
Act as a video scriptwriter. Write a 60-second explainer script about [Your Topic, e.g., 'How to start composting at home']. Make it engaging and simple. Then, list 5-7 visual scenes that would illustrate this script. For each scene, give me a one-sentence description of what the image should show (e.g., 'A happy person placing kitchen scraps into a small compost bin on their balcony').
🖼️

Step 2: Generate Scene Images for Free

Bing Image Creator Free

Go to bing.com/images/create or copilot.microsoft.com → Sign in with a free Microsoft account → For each scene description from Step 1, type a detailed prompt to generate an image. Download all images.

Free tier
Yes, 15 boosts/day then slower generation
Pro / Paid gives
Faster generation without boosts
Watermark on free
Small AI icon in bottom left
Worth paying?
Free alternative
Leonardo AI or Playground AI also have decent free tiers.
Image generation prompt:
Digital illustration, clean and modern style, a happy diverse person placing vegetable peels into a small, stylish compost bin on an apartment balcony, sunny day, friendly, explainer video style
🎙️

Step 3: Create a Natural Voiceover

Free Text-To-Speech Free+

Go to ttsmp3.com → Paste your final script from Step 1 → Select a voice (e.g., 'Brian' or 'Salli') → Click 'Convert to MP3' and download. For better quality, use ElevenLabs: go to elevenlabs.io → Sign up for free → In Speech Synthesis, paste your script, choose a voice, and generate/download.

Free tier
ttsmp3: Unlimited, basic voices. ElevenLabs: 10k chars/month
Pro / Paid gives
More realistic voices & emotional control
Worth paying?
Free alternative
Google Text-to-Speech in Google Docs (Read Aloud feature) can also record.
🎬

Step 4: Animate & Assemble the Video

CapCut Online Creative Suite Free+

Go to capcut.com → Click 'Create Video' → Upload your audio file and all scene images → Drag audio to the timeline → Drag images onto the timeline above the audio, arranging them in order. For each image: click on it, go to 'Animation', add a 'Ken Burns' (zoom) effect. Add text titles if needed. Export in 1080p.

Free tier
Yes, all core features are free
Pro / Paid gives
Premium stock assets & effects
Watermark on free
No watermark on exported videos
Worth paying?
Free alternative
Canva Video Editor also works well for simple slideshow-style videos.

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