Veo 3 Prompt
Generator.
Free builder for Google Veo 3. Write prompts that include native audio — dialogue, sound design, music — alongside the visual scene.
Three formats: clean paragraph, section-tagged, and ad brief. All Veo 3 ready.
Describe what you want
3 prompt variations
Click Copy to useScene: [describe the scene] Camera: Slow dolly in. Audio: Dialogue with clear lip sync. Aspect ratio: 16:9.
# SCENE [describe the scene] # CAMERA Slow dolly in. Smooth motion throughout. Maintain composition. # AUDIO Dialogue with clear lip sync # TECHNICAL Aspect ratio: 16:9. Photorealistic detail. Consistent lighting. No on-screen text unless described.
# 10-SECOND AD BRIEF (Veo 3) Action: [describe the scene] Camera: Slow dolly in. Audio: Dialogue with clear lip sync. Aspect ratio: 16:9. # TONE Grounded, believable, emotionally specific. Single clean beat from setup to payoff.
Under the hood
Why Veo 3 prompts need to describe audio.
State the visual beat and the emotional beat. Veo 3 maps from scene to delivery — a chef pausing before smiling reads differently than a chef tasting and nodding. Be specific about body language.
Veo 3 generates dialogue, sound design, and musical layers natively. Ambiguous audio prompts produce muddy mixes. Separate spoken lines (in quotes) from environmental sound (creaks, traffic, wind) for cleaner output.
Camera motion still matters — dolly in, handheld, static medium shot. But with Veo 3, lock-off or slow moves tend to produce better lip-sync because the model isn't splitting attention between motion and audio continuity.
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FAQ
Questions about Veo 3 prompting.
What makes Veo 3 different from Sora or Runway?+
Veo 3 generates native audio — dialogue, sound effects, music — alongside video. That's the major shift. Sora and Runway produce silent clips that need separate audio. So a Veo 3 prompt has to describe both what you see AND what you hear.
How do I write dialogue for Veo 3?+
Put the line in quotes and keep it short (under 12 words). Describe the delivery — whispered, confident, tired. Veo 3 generates lip-synced speech with surprising prosody, but long lines often break sync. For a 10-second clip, keep dialogue to one or two short lines.
Does Veo 3 handle sound design separately from dialogue?+
Yes, and the generator reflects that. The dialogue field is for spoken lines. The sound design field is for environmental audio (creaking floor, distant train, kitchen bustle). Veo 3 layers them automatically but does a better job when you state them separately.
What aspect ratio should I use?+
16:9 for YouTube, landscape web, TV. 9:16 for TikTok, Reels, Shorts. 1:1 for feed posts. 4:3 for retro or documentary feel. Pick the ratio first — Veo 3 composes the frame differently per ratio, so switching later produces a different composition, not just a crop.
Why does the generator have an ad brief format?+
Ads are the single most common Veo 3 use case right now — a 10-second branded moment with voiceover and music. The ad brief variant is tuned for that: tight scene, explicit camera, spoken line, sound layer, aspect ratio. Paste it straight into Vertex AI or the Veo 3 interface.
How long can a Veo 3 clip be?+
Standard Veo 3 output is 8 seconds. Veo 3 Fast is similar. Longer sequences are built by generating multiple clips with consistent characters and cutting them together. For any dialogue scene, 8 seconds is enough for one emotional beat.
Can I prompt for music in Veo 3?+
Partially. You can describe the musical feel (e.g. 'soft piano, melancholy') and Veo 3 will compose something compatible. For known tracks or licensed music, you'll need to add the audio in post — Veo 3 won't reproduce copyrighted songs.
Does the generator send anything to Google?+
No. This is 100% client-side — it builds the prompt text, you paste it into Veo 3 yourself. Nothing leaves your browser.