Audio to SRT converter

Turn MP3, WAV or M4A audio into an SRT file with AI. Every line is timed to the speech, and you can fix any word before you download.

Drop an audio fileMP3 · WAV · M4A · FLAC · OGG
  • High-accuracy AI
  • 100 languages
  • Speaker names
  • Edit before you download
The SRT file, line by line
sample.srt
1
00:00:00,400 --> 00:00:02,380
Hey, welcome back to the channel
2
00:00:02,560 --> 00:00:04,540
Here's how to caption any video
3
00:00:04,720 --> 00:00:06,370
in just a few seconds
4
00:00:06,550 --> 00:00:09,520
It turns your speech into text, word by word
5
00:00:09,700 --> 00:00:13,000
Pick a style and fix any word in one click
6
00:00:13,180 --> 00:00:15,490
then translate it, or show two languages
7
00:00:15,670 --> 00:00:17,650
Export it and you are done
Language

Audio to SRT converters compared

The only audio to SRT converter with all five: high-accuracy AI, editing, free translation, speaker names and unlimited minutes for $9.99 a month.

What each audio to SRT converter offers
ToolHigh-accuracy AIEdit before downloadFree translationAuto speaker namesUnlimited minutes
Captions Generator✓✓✓✓$9.99/mo
UniscribePaid only✓✓Paid only✕
SubtitleKit✕✓✓✕Free
TurboScribe✓✓✕✓$20/mo
Zamzar✓✕✕✕$12/mo
AudioScribe✓✕✕✓$19.99/mo
Transcriptly✓✓✕✓✕
CaptionX✓✓✕✕$13.95/mo
Transcri✓✓✕Paid only✕

✓ Yes✕ NoPrices: monthly, US dollars

Checked October 5, 2026 · Sources

As stated on each product’s own website; US prices. Spotted something out of date? Email . Product names and logos belong to their owners; we’re not affiliated with them.

What’s in an SRT file

11200:00:00,400 --> 00:00:02,3803Ana: So how did the show start?4(blank line)2
  1. NumberThe line’s place in the file.
  2. TimingWhen it appears and disappears, to the millisecond.
  3. TextWhat’s said, with the speaker’s name if you add it.
  4. Blank lineEnds the line, before the next number.

What to make with an audio SRT

  • PodcastsUse it as your own transcript on Apple Podcasts, or caption clips.
  • InterviewsFind any quote by its time, with speaker names.
  • VoiceoversImport the SRT next to the audio in Premiere or DaVinci Resolve.
  • Lectures and lessonsRead along with every word.
  • Voice memosPhone recordings work as they are.

Why convert audio to SRT here

Timed to every word

Each line starts and ends right when it’s spoken.

Fix it before you download

Correct names and words in the editor first.

Knows who’s speaking

Name each speaker and put their names in the SRT.

Translate the SRT

Get the same file in 100+ languages, free.

How to convert audio (MP3) to SRT

  1. 1UploadDrop your audio file in the box above.
  2. 2CheckFix any word you need to.
  3. 3DownloadClick Export and pick .srt.

Works with MP3, WAV, M4A and more

  • MP3 to SRTPodcasts and most downloads.
  • WAV to SRTStudio and interview recordings.
  • M4A to SRTiPhone Voice Memos and Zoom audio recordings.
  • AAC, FLAC, OGGWork the same way.

Got a video? Video to SRT →

Tips for a more accurate SRT

  • Keep the voice clearLess music and background noise means fewer mistakes.
  • One speaker at a timePeople talking over each other are harder to split into lines.
  • Check names and brand wordsFix any the AI got wrong before you download.
  • Wrong language?Pick the right one in the editor’s Text tab to transcribe again.

Simple pricing

Free

$0

Free account

  • Edit videos up to 90 minutes
  • Export videos up to 3 minutes
  • 30 minutes of captions a month
  • No watermark, 1080p export
  • 8 caption styles, any font and color
  • SRT, VTT and TXT downloads
  • Upload audio or SRT files
  • Translation into 100+ languages
More on the free subtitle generator →
Most popular

Pro

$4.92/month

Billed $59 yearly · Cancel anytime

  • Everything in Free, plus
  • Videos up to 90 minutes
  • Unlimited AI captions
  • Exports up to 4K
  • All 22 styles: karaoke, word highlight and more
  • Bilingual captions
  • AI keyword highlights
  • Custom fonts and saved styles

Compare all features →

Frequently asked questions

Is it free?

Yes. A free account downloads SRT files for audio up to 3 minutes long, with 30 minutes of subtitles a month and no card. Pro downloads SRT for audio up to 90 minutes, with unlimited minutes.

Can I convert MP3, WAV or M4A to SRT?

Yes. Drop the file in the box above, check the text, then click Export and pick .srt.

Which audio formats work?

MP3, WAV, M4A, AAC, FLAC and OGG. Video files such as MP4 and MOV work too.

How long can my audio be?

Up to 90 minutes. You can turn audio that long into subtitles and edit them for free; downloading the SRT is free for audio up to 3 minutes.

Which languages does it work with?

100 languages. It detects the spoken language on its own, and you can translate the SRT into 100+ languages for free.

Will the SRT line up with my video?

Yes, if the audio starts when the video does. If you trimmed one of them, upload the video itself.

Can it tell who’s speaking?

Yes. It finds the speakers on its own. Name them, then add their names to the SRT or VTT, or download a Word or TXT transcript with them.

Will podcast apps show the speaker names?

Yes. Export a VTT with names for podcast apps. Apple Podcasts, Pocket Casts and AntennaPod show each speaker’s name in the transcript.

Can I get VTT, TXT or Word instead?

Yes. The same export gives you SRT, VTT for web players, or a transcript as a Word or TXT file.

Can I translate the SRT?

Yes. Translate your subtitles into 100+ languages for free, then download the translated SRT.

Do you keep my audio?

No. Your audio is sent to make the subtitles, and we don’t keep it.

Do I need an account?

Yes, and it’s free. Sign up with Google or your email in a few seconds, no card needed.

What’s the best audio to SRT converter?

Captions Generator. It’s the only one with all five: high-accuracy AI, editing, free translation, speaker names and unlimited minutes for $9.99 a month.

Turn your audio into an SRT file

Free for audio up to 3 minutes. No card needed.