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✦ Free & open sourceVideo

AutoSubs

On-device AI subtitle generation for video editing software.

Local-first AI subtitles for NLEs

Generate accurate, timestamped subtitles directly inside DaVinci Resolve, Premiere, and After Effects.

Free forever · open source · MIT
✓ Light setup✓ Browser-based✓ Real-time collaboration
8.5
ZEKAI
Essential offline subtitling
Free & open source · Video
Ease of setup8
Usefulness9
Maintenance9.5
Community7.5
★ 4,261
GITHUB
Sep 2026
UPDATED
MIT
LICENSE
🛠 Don't want to self-host? We can set it up →
⚡ Quick answer

AutoSubs is a local-first application and NLE extension that turns audio and video into timestamped subtitles using on-device AI models. It is built for video editors and post-production professionals who need offline transcription without sending data to the cloud.

Runs on
Cross-platform
Hosting
Desktop
Languages
TypeScript
License
MIT

What it is

The tool processes audio locally using model families like Whisper, Moonshine, Parakeet, and Canary, supporting over 1,000 languages and automatic speaker labeling. It integrates natively via extension panels and scripts into DaVinci Resolve, Adobe Premiere Pro, and After Effects, allowing you to send timeline audio for transcription and pull styled subtitles right back into your project.

Who it's for

It suits video editors and motion designers working with sensitive material or offline environments who want to bypass cloud subscription fees. It does not suit teams requiring web-based collaborative review workflows or those using the Mac App Store version of DaVinci Resolve.

Key features

NLE Integration

Connects directly to DaVinci Resolve, Premiere Pro, and After Effects.

Speaker Diarization

Automatically detects different speakers to apply distinct styling.

Multiple AI Models

Choose from local model families including Whisper, Moonshine, and Parakeet.

Offline Processing

Processes everything on-device with zero cloud connection or subscriptions.

How to start

Up and running in 3 steps

1
Download and install the AutoSubs package for your operating system.
2
Launch the application as a standalone tool or open it via your NLE extension menu.
3
Select your preferred transcription model and language, then click transcribe.
Real talk

Our honest verdict

What's great

  • Runs completely offline with no cloud or subscription costs
  • Integrates natively into DaVinci Resolve, Premiere, and After Effects
  • Supports over 1,000 languages with specialized regional models
  • Includes automatic speaker labeling and diarization capabilities

Where it falls short

  • Requires significant local RAM and disk space depending on the AI model chosen
  • Mac App Store version of DaVinci Resolve is explicitly unsupported
  • Some specialist models require manual download and adequate GPU hardware
Cost

Pricing & license

Free under its licence, with the only cost being the hardware and local resources required to run the models yourself.

Paid work

Open remote AI-training roles

873 open remote AI-training roles, updated November 15, 2026; most pay $20–$170 an hour. Zekai lists them free; the application goes to the employer’s platform.

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📄 Free PDF: AutoSubs for Video
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Questions

FAQ

Does AutoSubs send any data to the cloud?

No, all speech-to-text processing, model inference, and diarization run entirely on your local machine.

Which NLEs are currently supported?

AutoSubs connects directly to DaVinci Resolve, Adobe Premiere Pro, and After Effects.

Radar

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