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How to display Bible verses automatically during a sermon

For years, showing the right verse meant a volunteer frantically typing references while the preacher moved on. It doesn't have to work that way anymore. This guide shows how to put the verse on screen automatically, the moment it's spoken — to a projector or over NDI to your live stream — using the free app TajiCast.

Download TajiCast for Windows

What you'll need

A Windows PC

Windows 10 or 11 (64-bit), with ~2 GB free space for the bundled Bible and model.

An audio feed

A microphone or a line feed from your sound desk that clearly captures the preacher.

Somewhere to show it

A projector or second screen, and/or an NDI switcher like vMix or OBS for streaming.

TajiCast (free)

The app that listens, detects the verse, and puts it on screen — no subscription.

Step by step

  1. Install TajiCast Download it for Windows and run the installer.
  2. Choose your audio input Pick the microphone or sound-desk feed that hears the preacher clearly. Clean audio is the single biggest factor in accurate detection.
  3. Pick a theme Choose a full-screen theme for a projector, or a full-width lower-third theme if you're sending verses to a live stream. Match colors to your stage if you like.
  4. Choose your output Send a full-screen display to your projector or second monitor — or enable NDI to feed the verse into vMix or OBS as a lower-third overlay.
  5. Start detection Begin the service. As scripture is read or referenced — even paraphrased — the correct verse appears on screen automatically. The operator can pin, skip, or push a verse manually at any time.

Manual vs automatic — why it matters

Manual presentation tools are great for planned content like songs and pre-built slides. But sermons are unpredictable — preachers jump to passages off-script, paraphrase, and cross-reference. Typing those in live is where verses get missed or shown late. Automatic detection fills exactly that gap: it listens and reacts in real time so the congregation always sees the passage, without adding pressure on your volunteer. You can even run automatic detection alongside a manual suite like FreeShow — see TajiCast with FreeShow.

For live streams

If you stream, send verses over NDI as broadcast-ready lower-thirds. We have step-by-step guides for TajiCast with vMix and TajiCast with OBS.

Questions

Does it need the internet?

No — detection and display run fully offline. Internet is only needed if you pick a cloud speech-recognition provider.

How accurate is it?

Accuracy depends most on clean audio. A direct feed from your sound desk works far better than a distant room mic.

Is it really free?

Yes — TajiCast is free to download and use on Windows, with no subscription.

Show every verse, automatically.

Download TajiCast — free