Speaker recognition & timestamps
AI detects different speakers and marks each section with a time.
Audio to text
MP3 to text converter — free, no sign-up
Convert an MP3 file into a readable transcript online with AI speaker detection and timestamps. Upload or link a lecture, interview, podcast, or meeting, then export the text as Word or PDF.
Convert MP3 to text nowHow it works
- Step 1
Upload the MP3 file
Choose a file, drag and drop it, or paste a direct link to the audio file.
- Step 2
Set language & speakers
Automatic language detection or manual selection. Optionally specify the number of speakers.
- Step 3
Download the text
Read and search the timestamped transcript, then export it as a Word or PDF file.
What you get
Multiple audio formats
Besides MP3, WAV, M4A, OGG, FLAC and WebM are also supported.
Word & PDF export
Download the formatted transcript directly — with speakers and timestamps.
Chat playback
Play the transcript as a chat with an audio timeline — see and hear who spoke when.
Free, no account
No registration, no daily limits like many freemium tools.
Upload or link
Upload the MP3 file directly or provide a URL to the audio file.
At a glance
- Free to use, no user account and no sign-up required.
- Supported formats: MP3, WAV, M4A, OGG, FLAC and WebM — also via direct link.
- Files up to 100 MB can be uploaded.
- The audio file is sent to the processing partner Replicate (USA) for conversion; transcripts are not permanently stored on our servers.
- No account or login; no paid minute plan or daily freemium quota.
- Technical anti-abuse protection: currently up to five transcription starts per hour and files up to 100 MiB.
- Replicate removes API prediction inputs, outputs, files, and logs after about one hour by default; Sprechverlauf does not permanently store audio or transcript content.
Frequently asked questions
How do I convert an MP3 file to text for free?+
Upload the MP3 file on Sprechverlauf or paste a link. You get a transcript with speakers and timestamps — free and without registration.
Are formats other than MP3 supported?+
Yes. Besides MP3, WAV, M4A, OGG, FLAC and WebM are supported. Alternatively, provide a direct link to the audio file.
How large can the MP3 file be?+
Files up to 100 MB can be uploaded.
Are different speakers distinguished in the text?+
Yes. Sprechverlauf uses AI-based speaker diarization, so the transcript shows who spoke when.
Can I save the text as Word or PDF?+
Yes. After conversion, download the result directly as a Word or PDF file.
Do I need an account or minute plan?+
No. No account or login is required, and there is no paid minute plan or daily freemium quota. Technical anti-abuse limits apply.
How long is processing data retained?+
Replicate removes API prediction inputs, outputs, files, and logs after about one hour by default. Sprechverlauf does not permanently store audio or transcript content on its own server.