Free Subtitle Generator

Generate subtitles from your video or audio files and download SRT instantly. Fast, secure, and supports multiple formats. Perfect for YouTube, TikTok, and content creators.

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Drag & drop your video file here, or click to selectSupported formats: mp4, mov, avi, mkv...

Auto Subtitle Generator

Generate subtitles for free from your video and audio files online. Download SRT files instantly. Fast, secure, and supports multiple formats. Perfect for YouTube, TikTok, and content creators.

Frequently Asked Questions

AutoSub is a free and powerful tool that automatically generates subtitles from video and audio files. You can instantly download your subtitles in .SRT or .TXT format, all without signing up.
We support most common video and audio formats, including MP4, MOV, AVI, MP3, WAV, and more. You can simply upload your file and let our tool process it automatically.

Step 1: Upload your video or audio file using the upload section on our homepage.

Step 2: Choose your desired subtitle format (.SRT or .TXT).

Step 3: Click the "Generate" button and wait for processing.

Step 4: Once done, download your subtitle file instantly.

Yes. After generating the subtitles, you’ll have the option to preview and edit them before downloading. You can fix timestamps, text, or export directly as-is.
Absolutely. AutoSub is completely free to use. There are no hidden charges or sign-ups required to generate or download subtitles.
AutoSub uses advanced AI speech recognition technology to produce highly accurate subtitles. Accuracy may vary slightly depending on audio clarity and background noise.
Yes, we support subtitle generation in over 20+ languages including English, Spanish, French, Vietnamese, and more. Language detection is automatic or selectable before processing.
Yes. Your uploaded files are securely processed and automatically deleted from our servers after a short period. We do not store or share your data.
If you encounter any issues or have questions, please contact our support team at support@autosub.com. We're happy to help.