Generate subtitles
from any audio, video or YouTube link

Upload a file or paste a YouTube URL, enter your Groq API key, pick a language — download a ready-to-use .srt in seconds. Smart compression & chunking for large files. Everything stays on your device.

1Your Groq API Key

Key loaded from this device

Paste your key — saved only on this device if you choose

Remember this key on this device — stored only in local storage, never sent anywhere except to Groq.

1bOr Paste a YouTube URL

YouTube video link (optional — alternative to file upload)

2Audio or Video File

🎵 Tap to choose a file, or drag and drop MP3 · MP4 · M4A · WAV · OGG · FLAC · WEBM · MKV

Files over 24MB are auto-compressed to MP3 and split into chunks for processing.

3Language & Output

Transcription language

Output filename

Uploading…

✅ Subtitles generated successfully

Download .srt

🔒 Your API key and files never touch any server. YouTube audio uses Groq's endpoint via CloudFlare proxy.

Generate subtitlesfrom any audio, video or YouTube link

Generate subtitles
from any audio, video or YouTube link