Synthesia: Create Professional AI Avatar Videos in Minutes

Photo by Jakob Owens on Unsplash

Video production used to require cameras, lighting, studios, and professional actors. Synthesia changes everything. This AI-powered platform lets you create polished, professional videos by simply typing a script — with realistic AI avatars delivering your message in over 140 languages.

What is Synthesia?

Synthesia is an AI video generation platform founded in 2017 that allows users to create videos featuring:

• AI Avatars: 230+ diverse, lifelike digital presenters
• Text-to-Video: Convert any script into a spoken presentation
• Custom Avatars: Build a digital twin of yourself or your team
• Multi-language Support: 140+ languages and accents
• Screen Recording Integration: Combine avatar video with software walkthroughs
• Brand Customization: Apply your colors, logos, and fonts

Synthesia is trusted by over 50,000 companies including Google, Amazon, Reuters, and Accenture.

Why Use Synthesia?

Traditional Video vs. Synthesia

Best Use Cases

• Corporate Training – Onboarding, compliance, skills development
• Product Demos – Walkthrough videos for software and services
• Marketing Content – Ads, explainer videos, social content
• E-Learning – Course content with engaging presenters
• Internal Communications – Company announcements and updates
• Sales Enablement – Personalized outreach at scale

Getting Started

Step 1: Sign Up

Visit synthesia.io and create a free account. The free plan gives you access to the editor with watermarked exports so you can test before committing.

Step 2: Choose a Template or Start Fresh

Synthesia offers 60+ professionally designed templates:

• Corporate presentation
• Product demo
• E-learning module
• Social media video
• Sales pitch

Or click “New Video” to start from a blank canvas.

Step 3: Write Your Script

In the text editor, type or paste your script. Synthesia’s AI will have your chosen avatar speak every word.

Script Tips:

• Write conversationally, not formally
• Keep sentences short (15–20 words max)
• Use punctuation to control pacing
• Add [pause] for deliberate pauses

Step 4: Choose Your Avatar

Browse the avatar library and filter by:

• Gender, age, and ethnicity
• Style (business, casual, formal)
• Pose (standing, sitting, close-up)
• Skin tone and appearance

Photo by Product School on Unsplash

Step 5: Select Language and Voice

Pick from 140+ languages. The same avatar speaks in the chosen language with natural pronunciation. You can also adjust:

• Speaking speed
• Voice pitch
• Tone (neutral, warm, energetic)

Step 6: Customize Your Video

• Add slides: Import PowerPoint or build slides directly
• Upload media: Add images, videos, and screen recordings
• Brand your video: Add logo, adjust colors, use brand fonts
• Add captions: Auto-generated subtitles in any language

Step 7: Generate and Export

Click “Generate” — your video is ready in minutes. Export in MP4, or publish directly to:

• LMS platforms (Coursera, Moodle, Cornerstone)
• YouTube and Vimeo
• SharePoint and Confluence

Custom AI Avatar

Personal Avatar (Studio Quality)

Create a digital version of yourself:

1. Record a 30-minute “consent” video following Synthesia’s script
2. Wear solid-colored clothing against a neutral background
3. Submit for processing (24–48 hours)
4. Your avatar is ready to speak any script you provide

Requirements:

• High-resolution camera (1080p minimum)
• Good lighting (no harsh shadows)
• Neutral or single-color background
• Varied speech samples for natural movement

Business Avatar

Companies can create branded avatars of spokespeople, trainers, or mascots for consistent on-brand video production at scale.

Advanced Features

Synthesia Studio

The full-featured editor includes:

• Multi-scene video with transitions
• Split-screen layouts
• Callout boxes and annotations
• Music library with 100+ tracks
• Video trimming and chapter markers

Screen Recording + Avatar

Combine avatar video with screen recordings for software tutorials:

1. Record your screen demo
2. Add avatar commentary track
3. Sync avatar speech with screen actions
4. Export as one cohesive training video

Localization at Scale

Global companies use Synthesia to localize training content:

• Create once in English
• Translate script with AI or professional translator
• Generate localized versions — same avatar, 140+ languages
• Update any version instantly

API Access

For developers and enterprise workflows:

import requests

url = "https://api.synthesia.io/v2/videos"
headers = {
    "Authorization": "YOUR_API_KEY",
    "Content-Type": "application/json"
}

payload = {
    "test": False,
    "title": "Product Introduction",
    "description": "AI-generated product demo",
    "visibility": "private",
    "aspectRatio": "16:9",
    "scenes": [
        {
            "avatar": "anna_costume1_cameraA",
            "avatarSettings": {
                "voice": "en-US-Neural2-F",
                "style": "rectangular",
                "horizontalAlign": "center",
                "scale": 1.0
            },
            "background": "#1a1a2e",
            "script": "Welcome to our product! Today I'll show you how to get started in just three simple steps."
        }
    ]
}

response = requests.post(url, headers=headers, json=payload)
video_data = response.json()
print(f"Video ID: {video_data['id']}")

Pricing

Annual billing saves 20–33% on paid plans.

Synthesia vs. Competitors

Tips for Great Synthesia Videos

1. Pace your script – Read it aloud; it should take 20% longer than you think
2. Use B-roll: Don’t rely solely on the avatar—cut to slides or screen demos
3. Short chapters: Keep each scene under 90 seconds for engagement
4. Consistent avatar: Use the same avatar throughout your series for brand recognition
5. Test voices: Try 3–5 voices for your target language before committing
6. Add music: Background music increases perceived video quality significantly
7. Caption everything: 85% of social video is watched without sound

Limitations to Know

• Avatar lip-sync can be slightly off on very fast speech
• Emotional range is improving but not yet fully human
• Custom avatar creation requires consent video (no shortcuts)
• Free plan adds watermarks and limits export quality
• Very technical jargon may be mispronounced (use phonetic spelling)

Real-World Results

Companies using Synthesia report:

• 70% faster video production
• 50% lower production costs
• 60% increase in training completion rates (vs. text-only)
• 3x easier to update and localize content

Conclusion

Synthesia democratizes professional video production. Whether you’re training a global workforce, launching product demos, or scaling personalized marketing, Synthesia gives you studio-quality results without the studio. The combination of realistic avatars, 140+ languages, and a no-code editor makes it the top choice for AI video in the enterprise space.

Try Synthesia free at synthesia.io

Have you used Synthesia for training or marketing? Share your experience in the comments!