Convert audio to text online for free

Upload an audio recording and get an accurate text transcript in minutes. AI Recognizer transcribes interviews, lectures, meetings, podcasts and voice memos — with optional timestamps and translation.

Supported formats: AVI, MP4, WAV, MP3, FLAC, AAC, M4A, OGG. Free, no sign-up.

How to convert audio to text

  1. Click “Transcribe audio”.
  2. Choose the language spoken in the recording.
  3. Optionally enable timestamps or choose a language to translate the result into.
  4. Select your audio file and wait while it is processed.
  5. Download the transcript as a .txt file.

Features

  • Six recognition languages. English, Russian, Spanish, German, French and Serbian.
  • AI text correction. After recognition, the text is automatically corrected with AI for grammar, punctuation and readability.
  • Timestamps. Mark every fragment of the transcript with its position in the recording to find quotes quickly.
  • Built-in translation. Get the transcript translated into English, German, Spanish, Turkish, Arabic, Russian or Portuguese.
  • All popular audio formats. MP3, WAV, M4A, OGG, FLAC and AAC — plus MP4 and AVI video.
  • Free and without registration. Open the page, upload a file and download the result.

Who it is for

  • Journalists transcribing interviews
  • Students turning lectures into notes
  • Teams documenting meetings and calls
  • Podcasters preparing show notes and articles
  • Anyone who wants to read a voice message instead of listening to it

Frequently asked questions

How do I convert an audio file to text?

Open the tool, choose the spoken language, select your audio file and download the transcript when processing is complete.

Which audio formats are supported?

MP3, WAV, M4A, OGG, FLAC and AAC. Video files in MP4 and AVI are also accepted.

How accurate is the transcription?

Accuracy depends on recording quality, background noise and how clearly people speak. The recognized text is additionally corrected with AI. For important documents, review the final text.

Can I get timestamps?

Yes. Enable “Include timestamps” before uploading, and the transcript will be split into fragments with their start time.

Is it free?

Yes, audio to text conversion is free and does not require an account.

Other free tools

  • Video to text — Get a transcript of an MP4 or AVI video: lectures, webinars, interviews, calls.
  • Subtitle generator — Automatically create SRT subtitles with timings for video and audio.
  • Audio converter — Convert video and audio to MP3, WAV, FLAC, AAC, M4A or OGG.
  • Extract audio from video — Split MP4 or AVI into an audio track and a silent video.

Support the project

AI Recognizer is free and has no sponsors, while speech recognition servers cost money. If the service helps you, please consider a donation. You can also view our upcoming plans and leave feedback.