MP3 to SRT (Subtitle Generator) is a browser-based tool that converts audio files (MP3, M4A, WAV) into timed SRT subtitle files or plain‑text TXT transcripts, running entirely online with no installation required.
What is MP3 to SRT?
MP3 to SRT (Subtitle Generator) transcribes uploaded audio into text and exports it as an SRT subtitle file or a TXT transcript. It accepts MP3, M4A, and WAV files, processes them in the browser, and outputs timed captions ready for video editors (YouTube, editors) or plain text for notes. The tool is developed by mp3totext.net and requires no signup for files under 5 minutes.
Key Features
- Browser‑based transcription — Upload an MP3, M4A, or WAV file and transcribe without installing any software; everything runs online on any device.
- Free for short clips — Guest users can transcribe audio up to 5 minutes at no cost; logged‑in users get 30 minutes (30 credits) free without a credit card.
- Multiple output formats — Export the transcript as a timed SRT subtitle file (for YouTube captions, video editors) or as a plain‑text TXT transcript (for notes, summaries).
- Credit‑based billing — Credits are charged per minute of audio (rounded up to the next minute, minimum 1 minute), so costs stay predictable.
- One‑time purchase, no subscription — Pay once for extra credits (e.g., $9.9 for 5 hours); credits never expire, and there are no recurring fees.
- Supports common audio formats — Input formats include MP3, M4A, and WAV, covering lectures, podcasts, interviews, and voice notes.
Who is it for?
- Podcasters and YouTubers — Convert audio tracks to SRT subtitles for uploads, keep TXT transcripts for show notes, and rely on minute‑based credits for predictable exports.
- Students and journalists — Turn recorded lectures or interviews into readable text for quoting and annotation, then export SRT for timed captions in archives or research share‑outs.
- Accessibility advocates — Generate captions from spoken content to support viewers who need text on screen; download TXT for reference and use SRT to align dialogue with visuals.
What can you do with MP3 to SRT?
- Transcribe an MP3 lecture or meeting — Upload the file, click transcribe, and get a timed SRT subtitle file or plain text for notes, summaries, or documentation.
- Generate subtitles for YouTube/TikTok — Export SRT directly from an audio recording (e.g., podcast episode, voiceover) and upload the subtitle file to video editors or YouTube.
- Convert long‑form audio in segments — Use minute‑based credits to handle full lengths or split recordings into segments, then export each SRT for organized review and editing.
How does MP3 to SRT work?
- Upload an MP3 file – Drag and drop or browse to select an audio file (MP3, M4A, WAV). No registration needed for files under 5 minutes.
- Transcribe the audio – Click “Transcribe” to convert the spoken content into editable text.
- Download the SRT file – Review the transcript, then export and download it as an SRT subtitle file or a TXT transcript.
Pricing
The tool uses a freemium model: guest users can transcribe up to 5 minutes for free; logged‑in users receive 30 minutes (30 credits) at no cost. For more usage, a one‑time Study Pack for $9.9 provides 5 hours (300 credits) with no automatic payments and credits that never expire. No credit card is required to start.
FAQ
How do I convert MP3 to SRT online?
Upload your MP3 (or M4A/WAV) file to the browser‑based tool, click “Transcribe”, and then download the result as an SRT subtitle file or a TXT transcript. No software installation is needed.
Can I convert MP3 to SRT for free?
Yes. Guest users can transcribe audio up to 5 minutes at no cost. Logged‑in users get 30 free minutes (30 credits) without adding a payment method.