Seedance3AI – a web app for text-to-video, image-to-video

Name: Seedance3AI – a web app for text-to-video, image-to-video
Availability: InStock
Author: xuyanmei

by xuyanmei·Feb 17, 2026·1 point·0 comments

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AI Analysis

●MidSlickShip ItCrowd Pleaser

The Take

Native audio generation, camera-directing prompts (push-ins, pans, tracking) and multi-shot consistency are the concrete features that make this more than a one-off toy — it targets the actual problems of producing many short assets for campaigns. The UI trades complexity for speed: pick mode, tweak controls, generate, download — that workflow will appeal to marketers and creators who hate tool hopping. It still lives in a crowded space (Runway, Pika, Synthesia et al.), so model quality, failure modes and export controls will decide whether it becomes someone's daily tool or just another cool demo.

Post Description

Hi HN,

I built Seedance3AI because I wanted a single, simple place to iterate on short visual ideas without hopping between tools.

It currently supports: - text → video (short clips) - image → video (animate a reference image) - AI image generation (useful for thumbnails/storyboards)

The workflow is intentionally minimal: pick a mode, set a couple of creative controls, generate, then download.

Implementation notes: - [stack: e.g. Next.js + serverless API + a job queue + object storage] - [anything you learned the hard way: rate limits, retries, prompt history, etc.]

What I’d love feedback on: 1) Which controls matter most (duration/aspect/seed/style, etc.) 2) Prompt UX: what’s confusing or missing 3) Any failure cases you hit (timeouts, weird outputs, etc.)

[Optional: This is an independent project and not an official ByteDance/Seedance release.]

Thanks!

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