Audio to SRT100% Free AI Subtitle Converter
Turn podcasts, interviews, and recordings into perfectly timed SRT subtitle files for free. Powered by advanced AI speech recognition.
Drop your audio/video file here, or browse
MP3, WAV, MP4, MOV — up to 500MB
⚠️ Compliance Notice: By uploading or submitting a URL, you confirm that you have obtained explicit consent from all speakers. We strictly process data in compliance with global privacy regulations.
Need More Than Just Subtitles?
Get a comprehensive AI Analysis Report including an Executive Summary, Structural Outline, and a shareable public link for your audio.
How to Convert Audio to SRT
Generate SRT subtitles in 3 simple steps.
Upload Audio
Drag and drop your audio file (MP3, WAV, M4A, AAC) into the upload area. Max 1.5GB per file.
Select Language
Choose the language spoken in your audio, or let our AI automatically detect it for you.
Download SRT
Wait a few moments for processing, then download your perfectly timed SRT subtitle file.
Why Use an Audio to SRT Converter?
SRT is the universal standard for subtitles.
While standard text transcripts are great for reading, they lack the timing information needed for video playback. SRT (SubRip Subtitle) files solve this by pairing text with precise timestamps.
- Universally Compatible: Works with YouTube, Vimeo, Premiere Pro, Final Cut, and VLC.
- Time-Stamped: Every word is synchronized with the exact moment it was spoken.
- SEO Friendly: Uploading SRTs to platforms like YouTube dramatically improves search visibility.
Our Audio to SRT converter automatically calculates the timestamps using advanced AI models, saving you hours of manual transcription and syncing.
Whether you're a content creator, filmmaker, or educator, our tool provides broadcast-quality subtitles in minutes.
How to Get Perfect SRT Timestamps
Tips for maximum transcription and synchronization accuracy.
Best Results
- •Clear, single-speaker audio
- •Minimal background noise
- •High-quality microphones
- •Standard audio formats (WAV/MP3)
Might Reduce Accuracy
- •Multiple people speaking over each other
- •Heavy wind or background music
- •Low bitrate or compressed audio
- •Very thick accents
Who Uses Audio to SRT?
Subtitles are essential for accessibility and engagement.
Video Creators
Generate subtitles for YouTube, TikTok, or Instagram Reels from your raw audio tracks to increase viewer retention.
Podcasters
Create timed captions for video podcasts or audiograms to share on social media platforms.
Educators & Filmmakers
Provide accessible closed captions for online courses, lectures, or indie film projects without hiring a manual sync team.
Social Media Managers
Quickly subtitle talking-head videos since 85% of social media videos are watched on mute.
Frequently Asked Questions
Is this Audio to SRT converter really free?
Yes, our core Audio to SRT conversion is completely free with no signup required.
What audio formats do you support?
We support MP3, WAV, M4A, AAC, OGG, and FLAC for audio-to-SRT conversion.
How long does it take?
It typically takes about 1/10th of the audio duration. A 10-minute audio file will generate an SRT in about 1 minute.
Are my files secure?
Absolutely. All uploaded audio and generated SRT files are permanently deleted from our servers after 24 hours.
More Free Transcription Tools
Check out our other format-specific converters.