NDI Tools + AI Captions

by Vizrt (NDI)

Don’t want to install NDI Tools + AI Captions? Drop the file here.

The first 20 minutes of any recording are transcribed free: a recording up to 20 minutes transcribes in full, a longer one is previewed, and a pack from $6 (500 minutes) transcribes the rest and opens every export, and credits never expire.

NDI's free toolset with built-in caption + speech routing for production switchers.

macOS, Windows  ·  free

TL;DR

Best for houses of worship + live event teams running NDI-based video routing with live captions. Pricing: free.

Category
Desktop apps
Pricing
free
Platforms
macOS, Windows

What it is

NDI Tools (Vizrt) is the IP-video swiss-army-knife. Tools like NDI Bridge + NDI Closed Caption integrate with speech engines to inject captions into NDI streams. Used heavily in church AV + event production.

Best for: Houses of worship + live event teams running NDI-based video routing with live captions.
Watch out for: Caption surface is integration-led; users still need a speech engine.

Install / use

ndi.video/tools/

What people actually do with NDI Tools + AI Captions-style transcription

The tool is the means. These are the jobs — each one priced at published rates, each one wired up on its own page.

Wire it into Google DriveYouTubeAmazon S3n8nZapierMake.com

Features

Speaker diarizationNo
Word-level timestampsNo
Streaming / real-timeNo
Languages supportedNone
HIPAA eligibleNo

NDI Tools + AI Captions vs Whipscribe

FeatureNDI Tools + AI CaptionsWhipscribe
CategoryDesktop appsTranscription APIs
Pricingfree$6–$24 one-time packs (credits never expire) · first 20 minutes free
Speaker identification—Named in the summary, key quotes and chapters
Word timestamps—Yes
Streaming—No
Languages—99
PlatformsmacOS, WindowsWeb, API, MCP

Alternatives to NDI Tools + AI Captions

Frequently asked about NDI Tools + AI Captions

Is NDI Tools + AI Captions free?

Yes. NDI Tools + AI Captions is free.

Does NDI Tools + AI Captions work on Mac, Windows and Linux?

NDI Tools + AI Captions runs on macOS and Windows. It is not listed for other platforms; check the vendor for anything beyond macOS and Windows.

How do I get started with NDI Tools + AI Captions?

There is nothing to install — NDI Tools + AI Captions is used in the browser. Create an account on the vendor's site and upload or connect your audio.

Does NDI Tools + AI Captions identify different speakers?

No. NDI Tools + AI Captions does not label speakers; a conversation comes back as one continuous text. If you need speaker labels, that is a separate tool or a different service.

Does NDI Tools + AI Captions give word-level timestamps?

No — NDI Tools + AI Captions produces segment or sentence timing only, so subtitle cues can land mid-word.

Can NDI Tools + AI Captions transcribe live audio?

No — NDI Tools + AI Captions works on finished files, not a live stream.

Is NDI Tools + AI Captions HIPAA compliant?

NDI Tools + AI Captions does not claim HIPAA compliance. For PHI, run it on infrastructure you control or choose a service that will sign a BAA.

What are the limitations of NDI Tools + AI Captions?

Caption surface is integration-led; users still need a speech engine.

Who is NDI Tools + AI Captions best for?

Houses of worship + live event teams running NDI-based video routing with live captions.

Does NDI Tools + AI Captions run offline?

NDI Tools + AI Captions runs on your own machine as a desktop app. Check whether the model runs locally or calls a cloud service — some desktop tools do both.

Can I use NDI Tools + AI Captions in the browser?

No — NDI Tools + AI Captions is a macOS and Windows application, not a web app. You install it rather than sign in to it.

Who makes NDI Tools + AI Captions?

NDI Tools + AI Captions is made by Vizrt (NDI).

What kind of tool is NDI Tools + AI Captions?

In this directory NDI Tools + AI Captions is filed under audio post as a desktop app.

What are the alternatives to NDI Tools + AI Captions?

There is a side-by-side page at /tools/ndi-tools-alternatives comparing NDI Tools + AI Captions with the closest tools in the same category on price, platform and features.

Can I automate NDI Tools + AI Captions-style transcription without running it myself?

Yes. If what you want is transcripts rather than the tool itself, Whipscribe does the same job as a hosted API: submit a file or URL, poll a job id, pull the result as txt, json, srt, vtt or docx. $0.012 a minute — about $0.72 an audio hour — bought as credits that never expire. The automation recipes on this site show it wired to Drive folders, Zoom recordings, S3 buckets and no-code platforms.

Whipscribe is a hosted transcription service. If you want transcripts without running infrastructure, paste a URL or drop a file in the form below — you'll have a transcript in seconds.

Transcribe your recordings

Explore

Need the subtitle file itself?

Upload the recording or paste a link and download SRT or VTT: see the SRT generator, SRT subtitles from a YouTube link and the subtitle generator.

Comparing tools before you pay?

If you would rather pay a service than run software yourself: see an honest roundup of the best transcription services, the cheapest way to transcribe an hour of audio and our transcription service with prices and turnaround.