Saturday, October 24, 2026 4,350 lists 78,096 records on file
List your app or device

  1. Home
  2. AI Video Caption Generators
  3. Auto Subtitle

Auto Subtitle

On the record

Burn-in captions
Nogithub.com · read 19 Sep 2026
Caption styling
Nogithub.com · read 19 Sep 2026
Debug logs
Exported debug logs can include recognized text and timing details but do not include audio or video bytes; the guide advises reviewing logs before sharing.github.com · read 12 Oct 2026
Editing
The editor includes a video player with caption overlay, a magnetic timeline, and tools to edit, split, merge, retime, and validate subtitle cues.github.com · read 12 Oct 2026
File formats
It imports SRT, WebVTT, and Auto Subtitle project JSON, and exports SRT, WebVTT, TXT transcripts, and project JSON.github.com · read 12 Oct 2026
Import and export
It imports SRT, WebVTT, and Auto Subtitle project JSON, and exports SRT, WebVTT, TXT transcripts, and project JSON.github.com · read 12 Oct 2026
Languages and models
The guide lists Auto with English fallback, English, Spanish, French, German, Japanese, Korean, and Chinese, plus Tiny, Base, Large v3 Turbo, and Distil Large v3 models.github.com · read 12 Oct 2026
License
The project source code is MIT licensed.github.com · read 12 Oct 2026
Limitations
Transcription can take significant memory and time, the complete decoded audio buffer is held in browser memory, and videos with multiple audio streams use the first stream.github.com · read 12 Oct 2026
Local data
Project autosave uses browser IndexedDB, while theme preference and diagnostic history use localStorage.github.com · read 12 Oct 2026
Local data and privacy
The project says video and audio are processed in the browser, project autosave uses IndexedDB, and the app has no account system, application backend, analytics, or external AI API integration.github.com · read 12 Oct 2026
Local transcription
It runs Whisper ONNX models through Transformers.js in the browser and extracts audio with FFmpeg.wasm.github.com · read 12 Oct 2026
Model downloads
Network access is needed to install dependencies and normally to download each selected model the first time; cached models can run locally afterward.github.com · read 12 Oct 2026
Network use
Network access is needed to install dependencies and normally to download each selected Whisper model the first time; later transcription can run locally while the model remains cached.github.com · read 12 Oct 2026
Operating requirements
The README lists 64-bit Windows, macOS, or Linux with a current desktop browser, Node.js 20.19+ or 22.12+, and 8 GB RAM as a practical minimum.github.com · read 12 Oct 2026
Privacy and integrations
The project states that it has no application backend, accounts, analytics, tracking, paid transcription API, or external AI API integration; selected media is processed in the browser.github.com · read 12 Oct 2026
Product
Auto Subtitle is a local-first browser workspace for generating, reviewing, and exporting subtitles from video.github.com · read 12 Oct 2026
Purpose
Auto Subtitle is a local-first browser workspace that generates, reviews, edits, and exports subtitles from video.github.com · read 12 Oct 2026

Alternatives to Auto Subtitle

Every alternative, ranked