Audio to SRT Converter
Turn MP3, WAV, M4A, podcasts, and voice recordings into timed SRT subtitle files. Now supporting large file uploads up to 200MB!
TL;DR
Convert audio to SRT online. Upload MP3, WAV, M4A, or podcast audio and create timed SubRip captions for YouTube, VLC, Premiere Pro, and more.
MP3 · WAV
common audio inputs
.srt
SubRip sidecar output
00:00:00,000
comma-based timing
Numbered
ordered caption cues
Audio to SRT Converter: what this workflow delivers
Audio-first input
Process podcasts, interviews, voice recordings, and sound-only exports without creating a placeholder video.
SubRip cue structure
The result uses ordered blocks with start and end times in the widely supported SRT syntax.
Ready for a matching picture
Attach the finished file to a video with the same audio edit, or import it into a subtitle editor for refinement.
How to Audio to SRT Converter in 3 steps
-
1
Upload the source audio
Choose MP3, WAV, M4A, or another supported recording and select its spoken language.
-
2
Create SubRip timing
Speech is divided into numbered caption cues with SRT start and end timestamps.
-
3
Review and export SRT
Correct names and line breaks, then download the timed .srt sidecar file.
This creates captions; it does not download an existing track
Use Audio to SRT for a recording you own when no subtitle file exists. If a public video already includes captions, use the subtitle downloader to preserve that source track instead of recognizing the speech again.
Convert audio, MP3, or WAV to an SRT subtitle file
This audio to SRT converter listens to speech, creates caption cues, and adds the start and end times required by the SubRip format. Use it as an MP3 to SRT converter, WAV to SRT tool, podcast subtitle generator, or audio caption converter, then review the synchronized text before export.
Is the video already on YouTube? Skip the upload and grab its existing captions with the YouTube subtitle downloader, or use the bulk subtitle downloader.
Audio formats and SRT timing
- MP3, WAV, and M4A to SRT: Upload common audio formats without extracting or converting the sound first.
- Timed SubRip caption cues: Every subtitle line receives SRT-compatible start and end timestamps.
Where to use an audio-generated SRT
- Video editors and players: Import the SRT into Premiere Pro, DaVinci Resolve, CapCut, VLC, and other compatible tools.
- Podcasts and recorded speech: Create accessible captions from interviews, lessons, webinars, and voice recordings.
- YouTube subtitle uploads: Add the generated SRT as a timed caption track in YouTube Studio.
Audio to SRT, explained
SRT means SubRip Subtitle. Unlike plain TXT, an SRT file pairs spoken words with timecodes so a video player knows exactly when each caption should appear. Audio to SRT, MP3 to SRT, and audio subtitle converter all describe this same workflow.
Check an audio-generated SRT before delivery
- ✓Confirm the selected language matches the recording
- ✓Correct names and audio-only words that lack visual context
- ✓Check cue breaks during fast speech
- ✓Preview against the final video edit, not a different audio cut
Audio-derived SRT cue
12
00:00:38,420 --> 00:00:41,180
The next section begins with the interview question.
Frequently Asked Questions
For Audio to SRT Converter, upload an MP3, WAV, M4A, or other supported audio file. The tool recognizes the speech, divides it into timed caption cues, and prepares an SRT subtitle file.
For Audio to SRT Converter, yes. MP3 to SRT is the same process as audio to SRT: the spoken audio becomes caption text with SubRip timestamps.
For Audio to SRT Converter, yes. Every SRT cue includes a start time, an end time, and the subtitle text displayed during that interval.
For Audio to SRT Converter, yes. SRT is widely supported by YouTube Studio, Premiere Pro, DaVinci Resolve, CapCut, VLC, and most subtitle editors.
Related concepts
Or jump straight to the subtitle generator to try it.
Last updated: November 14, 2026 · Reviewed and maintained by the SubtitleDownloader.com team.
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