GreyBrain Studio tools
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ViralForge

Clinic-grade video, made in the room.

Paste a script. Get a finished vertical video — voiced, captioned, cut and checked — narrated in your own clinicians' voices, in their own accent.

Runs on
Your laptop
Accounts
None
Keys
Yours, local
Platforms
Mac & Windows
Status
Internal

What comes out

Six things, one paste.

Every format starts from the same script or article, so a single approved message reaches Reels, Shorts, LinkedIn and the waiting room without being rewritten four times.

Faceless reels

Real stock footage or cinematic AI visuals, slow-zoomed, with word-by-word captions burned in.

Doctor explainers

A photo and a voice become an expert reel: hook, presenter over a drawn medical animation, then one clear call to action.

Two-voice conversations

Pick a second voice and the reel becomes a dialogue — one asks what the patient is really worried about, your clinician answers.

Carousels

Swipeable Instagram and TikTok decks, plus true LinkedIn document PDFs, with the post caption written for you.

Rough cuts from raw takes

Upload your phone footage. It transcribes every take, drops the false starts and repeats, and joins the best delivery of each line.

Article to script

Give it a blog URL. It comes back as a hook-first spoken script at the length you asked for, ready to edit.

The pipeline

What happens after you press Generate.

Roughly a minute of machine time, in this order. You approve the script before any of it starts.

00:00

The script is split into scenes

Each scene gets its own narration, its search keywords and its image prompt — plus a shared style note, so the frames look like one film rather than six stock photos.

00:08

Narration is recorded

Your cloned voice, a free neural voice, or an Indian-language voice — with word-level timing captured for the captions.

00:24

Visuals are found or made

Stock clips, generated images, or an on-camera avatar. Anything it creates is filed into your library and reused next time instead of being paid for twice.

00:41

Everything is cut together

Cropped to 9:16 or 16:9, motion added, captions burned in, music ducked under the voice.

00:58

It reviews its own work

Scans for black frames and silent audio before you ever open the file, and shows a pass or flag on the result.

Voices

Not an Indian accent. Your colleague's.

Recorded once, used for ever

Stock text-to-speech never quite lands an Indian accent, so this does not imitate one. It records a real colleague for thirty seconds, keeps the clearest few seconds, and every video after that is narrated in their actual voice — because the accent comes from the recording.

Runs on your own machine, and one person can host it for the whole team. Hindi, Odia, Bengali, Tamil, Telugu, Marathi, Kannada, Malayalam, Gujarati and English.

Eight clean seconds beat a clean-sounding minute. Longer reference audio makes the clone worse, not better. From the setup guide

Written consent is part of the process, not an afterthought — a cloned voice outlives the job it was recorded for.

Guardrails

Built for medical claims, not slogans.

Marketing tools will happily promise a pregnancy. This one refuses before it spends a rupee of API credit.

Claim gates

Catches success-rate promises, guarantees of outcome and absolute-comfort language, and stops the render rather than fixing the wording quietly.

Evidence check

Verifies the claims themselves, not just how they are phrased — an unsourced population statistic does not reach a patient.

Fixed calls to action

Phone numbers, links and addresses are inserted from the brand kit. The model is never allowed to invent one.

Never invents facts

Where trivia or context is written, your notes are the only source it is permitted to draw from.

Access

It is not on an app store.

ViralForge is an internal GreyBrain tool. Access is granted per person, so we know whose voices are in it and which clinic each build belongs to.

  1. AskTell us your team, your platform, and what you want to make.
  2. Get the buildAn installer for your Mac or Windows machine, or the repo if you would rather build it yourself.
  3. Set one free keyPaste it into Settings, press Test, and start on the same afternoon.