Kwaivgi Kling Lipsync | Text To Video Lip-Sync Generation

Kling Lipsync Text-to-Video

Make any face speak your words with AI-powered lip synchronization. Upload a video, enter your text, choose a voice, and Kling Lipsync will generate realistic lip movements perfectly matched to the synthesized speech — ideal for dubbing, content localization, and creative projects.

Why It Looks Great

Realistic lip sync: AI-generated mouth movements accurately match the spoken audio for natural-looking results.
Multiple voice options: Choose from a variety of voice characters to match your content style.
Bilingual support: Generate speech in English (en) or Chinese (zh).
Adjustable speed: Control the speaking pace with the voice speed parameter.
Text-driven workflow: Simply type what you want the character to say — no audio recording needed.

Parameters

Parameter	Required	Description
video	Yes	Source video with a visible face (upload or public URL).
text	Yes	The text you want the character to speak.
voice_id	Yes	Voice character selection (e.g., genshin_klee2).
voice_language	No	Language for speech synthesis: en (English) or zh (Chinese). Default: en.
voice_speed	No	Speaking speed multiplier. Default: 1.

How to Use

Upload your video — drag and drop or paste a public URL. Ensure the face is clearly visible.
Enter your text — type the words you want the character to speak.
Select voice_id — choose a voice character that fits your content.
Choose language — select en for English or zh for Chinese.
Adjust speed (optional) — modify voice_speed to speak faster or slower.
Run — click the button to generate.
Download — preview and save your lip-synced video.

Pricing

Flat rate per generation.

Output	Cost
Per video	$0.14

Best Use Cases

Content Localization — Dub videos into different languages while maintaining natural lip movements.
Social Media & Entertainment — Create fun talking videos, memes, and viral content.
E-learning & Training — Generate instructional videos with consistent narration.
Marketing & Advertising — Produce multilingual ad variants from a single video shoot.
Character Animation — Bring static or animated characters to life with synchronized speech.

Pro Tips for Best Results

Use videos with clear, front-facing shots of the face for the most accurate lip sync.
Keep text length appropriate for the video duration — shorter clips work best with concise messages.
Match the voice character to the visual appearance for more believable results.
Test different voice_speed values to find the natural pacing for your content.
For multilingual projects, generate separate versions with appropriate voice_language settings.
Ensure good lighting on the face in the source video for cleaner lip tracking.

Notes

If using a URL for the video, ensure it is publicly accessible. A preview thumbnail confirms successful loading.
The face must be clearly visible throughout the video for accurate lip synchronization.
Processing time may vary based on video length and current queue load.
Best results are achieved with videos where the subject is speaking or has a neutral expression.

Kling TextToVideo by Kwaivgi creates videos with lifelike lip movements that precisely sync to input text for natural speaking visuals. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing.

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