Connected services

An open voice model and the default voice. It has 28 English voices and voices for seven other languages. It has no German voice.

Cost

Nothing.

What leaves your computer

Nothing. The model downloads once from Hugging Face.

Setup

None. Docs

You read the script yourself, and explainroo uses your recording. It works in every language explainroo has, German included.

Cost

Nothing.

What leaves your computer

Nothing.

Setup

Put the file in assets and name it under voice in video.json. Docs

ElevenLabs voices, including voices you cloned there. They speak every language explainroo has, German included.

Cost

You pay per character on your ElevenLabs account.

What leaves your computer

Your script goes to ElevenLabs.

Setup

Run explainroo connect elevenlabs. Docs

Cartesia's Sonic voices. Cartesia reads everything between two pauses at once, so the sentences sound connected. They speak every language explainroo has, German included.

Cost

You pay per character on your Cartesia account.

What leaves your computer

Your script goes to Cartesia.

Setup

Run explainroo connect cartesia. Docs

A speech recognition model that runs on your computer.

Cost

Nothing.

What leaves your computer

Nothing. The model downloads once from Hugging Face.

Setup

None. Docs

Screenshots and photos you already have can go into a scene.

Cost

Nothing.

What leaves your computer

Nothing.

Setup

Put the files in the project's assets folder. Docs

AI image models make a picture from a sentence.

Cost

About 7 to 13 cents per image at the time of writing, on your OpenRouter account.

What leaves your computer

Your image prompts and any reference images go to OpenRouter and to the company that runs the model.

Setup

Run explainroo connect openrouter. Docs

Footage or screen recordings you already have can play in a scene.

Cost

Nothing.

What leaves your computer

Nothing.

Setup

Put the file in assets and draw it with s.clip. Docs

AI video models make a short clip from a sentence, and it plays in a scene like your own footage. Clips work for shots of the real world, like a street or food. They get text and diagrams wrong.

Cost

You pay per second on your OpenRouter account. You see the price before anything is spent, and explainroo buys no clip whose price is above the limit you set. A failed try may cost money too.

What leaves your computer

Your clip prompts go to OpenRouter and to the company that runs the video model.

Setup

The same key as for images. Buy a clip with explainroo clip. Docs

You record yourself saying the narration of a scene with a camera or a phone. The clip plays in the scene next to the product.

Cost

Nothing.

What leaves your computer

Nothing.

Setup

Put the file in the project's assets folder and play it with s.clip. Docs

explainroo writes its own music as long as each video. There are no sound files and no sample licenses.

Cost

Nothing.

What leaves your computer

Nothing.

Setup

It is on by default. music in video.json changes the style. Docs

A music file you are allowed to use plays under the voice. explainroo brings it to the level of the built-in music and lowers it while the voice speaks.

Cost

Nothing from explainroo. You check the license of the file.

What leaves your computer

Nothing.

Setup

Put the file in assets and name it as src under music in video.json. Docs

An open source tool that lets your AI agent write original music. It renders the track as a WAV file on your computer, and the file goes into a video like your own music file. I also make Soundroo.

Cost

Nothing.

What leaves your computer

Nothing, unless you run Soundroo's own share command.

Setup

It needs Node 22 or newer. Copy the WAV file into assets. Docs

Each render saves an MP4 file on your computer. You can send it to anyone.

Cost

Nothing.

What leaves your computer

Nothing.

Setup

None. Docs

explainroo writes a folder with a player that draws the video sharp at any size. You put that folder on your own website.

Cost

Nothing.

What leaves your computer

Nothing until you copy the folder to your site.

Setup

Run explainroo export and copy out/player/ to your site. Docs

explainroo writes a folder for one platform. It holds the video at that platform's size and the words for the post, and you upload it yourself.

Cost

Nothing.

What leaves your computer

Only what you upload.

Setup

Run explainroo package with a platform, like --platform tiktok. Docs

explainroo uploads a YouTube or Shorts package to your channel. It signs in with a Google client that you make in your own Google Cloud project, so the video and your login go only to Google.

Cost

Nothing.

What leaves your computer

The video and its words go to YouTube, and only when you post.

Setup

Make a Google client in your own Google Cloud project, then run explainroo connect youtube. Docs

A company that posts to social networks for you. explainroo sends a package to one of your Buffer channels, or saves it there as a draft. Buffer needs a public link to the package's video, so you put the file on a host you choose first. That makes the video public, and the link has to work until the post goes out.

Cost

Nothing on Buffer's free plan, which limits how many channels and posts you have. Bigger plans cost money on your Buffer account.

What leaves your computer

The words of the post and a link to the video go to Buffer, which fetches the video from that link.

Setup

Run explainroo connect buffer. Docs

A company that posts to social networks for you. explainroo uploads a package to Blotato, and Blotato posts it to one of your accounts.

Cost

It needs a paid Blotato plan. Creating an API key ends Blotato's free trial and starts its Starter plan on your account.

What leaves your computer

The video and the words of the post go to Blotato, and only when you post.

Setup

Run explainroo connect blotato. Docs