Every word. Perfectly timed.
Your words.
In sync.
Everywhere.
Turn audio and video into beautifully captioned content. Transcribe, fine-tune, and export for every platform.
Start free. No credit card required.
- Songs
- Podcasts
- Speeches
- Interviews
- Voice notes
From recording to ready to share.
- 1
Upload your media
Bring in your audio or video file
from your device or cloud storage. - 2
Make every word count
Get a transcription with word-level
timing and fine-tune your captions.Everygreatideastartswithaconversation.Differentperspectivescreatebrighterpossibilities. - 3
Export for your platforms
Download captioned videos in the right
formats for every platform.
9:16Every great idea starts with a conversation.
- MP4Best for social media
- SRTCaption file
- TXTTranscript file
One project.
Every platform.
Create once and export in the right format for every platform. Use platform presets, caption safe areas, and intelligent framing to make your content look its best everywhere.
16:9Every great idea starts with a conversation.
9:16Every great idea starts with a conversation.
1:1Every great idea starts with a conversation.
Your captions.
Your style.
Choose a look that fits your content. Fine-tune word timing, use reusable brand styles, or generate a custom background to make your captions stand out.

Morning light finds a way

Morning light finds a way

Morning light finds a way
Developers
Built for your workflow.
Use Speak in your app or through your AI agent.
import { Speak } from "@speak/sdk";
const speak = new Speak({ apiKey: process.env.SPEAK_API_KEY });
// Create a project and wait for the transcript
const project = await speak.projects.create({
source_url: "https://example.com/interview.mp4",
kind: "video",
language: "auto",
});
await speak.projects.waitUntilReady(project.id);
const transcript = await speak.transcripts.get(project.id);
// Export for every feed you post to
const batch = await speak.exports.create(project.id, {
presets: ["youtube", "instagram_reels"],
burn_captions: true,
});- Simple, powerful API
- Works with your AI agent (MCP)
- Flexible export options
- Clear documentation