Generate Video Subtitles with AI: Fast & Fully Automated

Upload any video and get accurate, time-synced subtitles in minutes. 20+ languages. Download SRT instantly.

Click to upload your video

or drag and drop

Generate Subtitles

Supports MP4, MOV, AVI, MKV, WebM, MP3, WAV and more

Free Demos Available  •  100,000+ subtitles generated

AI-Powered

Proprietary speech recognition for high accuracy

20+ Languages

English, Spanish, French, Japanese and many more

Minutes, Not Hours

Get your subtitle file fast, ready to download

SRT Format Output

Download your subtitles in the widely supported SRT format

How It Works

1

Upload Your Video

Drag and drop your video file or paste a URL. We support all major formats.

2

AI Generates Subtitles

Our AI analyzes the audio and creates accurate, time-synced subtitles automatically.

3

Download & Share

Edit if needed, then download your subtitle file in SRT format.

Works With Any Content

From short clips to full-length films — we handle it all.

Films & Series
Full-length movies and TV episodes
Podcasts & Audio
MP3, WAV, and other audio formats
YouTube Videos
Auto-caption your channel content
Online Courses
Make educational content accessible
Interviews
Accurate captions for spoken dialogue
Social Media Clips
Reels, TikToks, Shorts, and more

Generate Subtitles in Any Language With AI

Turn any video or audio file into accurate, time-synced subtitles in minutes. Subtitle Nexus works for films, episodes, interviews, tutorials, and short-form clips.

Choose lulu for our best speech recognition and cleanup pass, including punctuation, timing, and smoother phrasing. Need a faster draft? Use vega-preview instead.

If you already have subtitles, use translation to convert them to another language for 0.5 credits per subtitle. You can preview results with a free demo before downloading the final file.

What Our Users Say

"I honestly love the idea of the service you offer and I'd like you to succeed."

"Service works fast, the updated lulu model seems great. Customer service is exceptionally great and fast. 10/10 so far for me."

"I tried LULU-PREVIEW and I must say I am very satisfied. I hope you continue with this project."

"Customer service is incredibly good, might be the best out of any service I have ever used."

"I like the new model. More smooth and less disjointed. I very much appreciate that your site filled a very much needed gap."

"I am really impressed that you can handle the German Umlauts right. The first impression about your player is more than good."

Ready to Create Perfect Subtitles?

Join thousands of creators using Subtitle Nexus to make their content accessible worldwide.

Start for Free

Frequently Asked Questions

We support all major video and audio formats: MP4, MOV, AVI, MKV, WebM, MP3, WAV, M4A, and many others. You can also link to YouTube or Vimeo videos.
Our AI models deliver industry-leading accuracy. For best results, use clear audio with minimal background noise. You can always fine-tune subtitles in our built-in editor.
Download your subtitles as SRT (most common). All formats include precise timestamps.
Yes! Create a free account to start generating subtitles. Browse 100,000+ public demo subtitles before you upload anything.
We support 20+ languages including English, Spanish, French, German, Italian, Portuguese, Japanese, Korean, Chinese, Russian, Arabic, and many more.