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Audio to Text Guide

Audio to Text: Convert Audio Files to Text

Convert audio to text from MP3, M4A, WAV, MP4, MOV, or iPhone Voice Memos using Spokenly. Use cloud models for speed, local models for privacy, and export clean transcripts or subtitles.

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Spokenly Transcribe File panel for converting audio files to text
Spokenly transcribes audio and video files directly, including MP3, M4A, WAV, FLAC, OPUS, OGG, MP4, MOV, and M4V.

Quick Answer

The simplest audio to text workflow is: open a file transcription tool, drop in the recording, pick a model and language, then export the transcript. For short public clips, a free online audio to text converter can work. For long files, private recordings, or subtitle export, a desktop workflow is safer and usually faster.

1. Add the file

Use MP3, M4A, WAV, FLAC, OPUS, OGG, MP4, MOV, or M4V. No pre-conversion is needed.

2. Pick model and language

Use the default cloud model for speed, or a local Parakeet or Whisper model when the file must stay on-device.

3. Export the result

Copy the transcript, or export TXT, Markdown, SRT, VTT, JSON, or FCPXML.

Convert Audio to Text with Spokenly

Spokenly is built for system-wide dictation and file transcription, so the same app can handle live speech and saved recordings. To transcribe audio to text, open the Transcribe File tab, drop in the file, choose the model, and run the transcription. The transcript appears next to the file and can be copied, cleaned up with AI, or exported.

  1. 1Download Spokenly for Mac, Windows, or Linux.
  2. 2Open Transcribe File and drop in your audio or video file.
  3. 3Choose a language, or leave auto-detect on when you are not sure.
  4. 4Use the default cloud model for speed, or switch to a local model for private offline transcription.
  5. 5Export the transcript as text, subtitles, Markdown, JSON, or FCPXML.

Pricing is simple: free with local models or your own API keys, and Pro if you want managed cloud transcription without setting up provider keys.

Best Workflow by File Type

FileSearch intentBest useGuide
MP3mp3 to text, convert mp3 to text transcriptPodcasts, calls, downloaded audio, lecture recordingsMP3 to Text on Mac
M4Am4a to text, free m4a to text converter onlineiPhone Voice Memos, QuickTime recordings, Apple audioM4A to Text
WAVwav to text, wav transcriptionStudio recordings, lossless interviews, exported DAW filesWAV to Text
MP4 or MOVmp4 to text, transcribe mp4 to textScreen recordings, video interviews, webinars, captionsMP4 to Text
Voice Memovoice memo transcription, voice memo to transcriptiPhone recordings, field notes, meetings captured on the goVoice Memo to Text

WAV to Text

Transcribe the original WAV instead of converting it to MP3 first. WAV usually stores uncompressed PCM audio, so it keeps speech detail that a compressed export can lose. Large WAV files are normal for the same reason: if a cloud provider's upload limit gets in the way, switch to a local model and the file never leaves your computer. For short clips, set the language manually, since auto-detect has little speech to work with.

How to Transcribe a Podcast

Check for a built-in transcript first. Apple Podcasts transcripts let listeners search an episode and copy up to 200 words with attribution, and creators can download and correct them in Apple Podcasts Connect. Eligible creators in Spotify for Creators can download the VTT transcript, edit it, and upload it again. When an episode has no transcript, or you need a clean master copy, transcribe the audio file:

  1. 1Download the episode MP3 or M4A from the show's website, or copy the enclosure URL from its RSS feed. For your own show, use the master file you uploaded, before ad insertion.
  2. 2Check the duration and play the last minute. A download with dynamic ads can differ from what listeners hear, or return only a short preview.
  3. 3Drop the file into Transcribe File and turn on Identify speakers for interview shows and panels.
  4. 4Export Markdown for show notes and the episode page, or SRT and VTT for a video version with captions.

Private notes from someone else's show and a published full transcript are different uses. A source link does not make publication fair use, so get the rights holder's permission before publishing a complete transcript of a show you do not own.

How to Transcribe an Interview

Typing an interview by hand is commonly estimated at four or more hours per hour of audio. A speech model produces the draft with speaker labels in a fraction of that time, and one careful review pass against the audio fixes names, technical terms, and mislabeled turns. Decide the transcript style before editing, because it changes what counts as an error:

Full verbatim

Keeps every um, false start, laugh, and repetition. Required when the way something is said matters: discourse analysis, some qualitative methods, and legal contexts.

Clean verbatim

Drops fillers and false starts and lightly tidies grammar without changing meaning. The default for journalism and most research interviews, and close to what speech models produce.

For research and dissertations, label speakers consistently (Interviewer, P1), add [hh:mm:ss] timestamps at each speaker turn so quotes trace back to the audio, and anonymize names, employers, and places during review. Keep the original audio, the raw transcript, and the corrected final as your audit trail.

Consent forms and ethics approvals often restrict where recordings may be processed, so check them before uploading anything. With a local Parakeet or Whisper model your computer runs the speech model, and Local Only Mode blocks network requests while you work. For interviews recorded on a video call, the Zoom recording guide shows where the file is saved.

How to Transcribe a Phone Call

Get permission before recording. Call recording rules depend on where every participant is, the type of call, and how the transcript will be used, and an automated recording notice is not a universal substitute for consent. The Reporters Committee recording guide is a US state-by-state starting point, not legal advice. Then pick the route that gives you a clean file:

iPhone

On iOS 18.1 or later, tap More during a call, then Call Recording. Both participants hear a notice, and the recording saves to Notes. Transcripts need iPhone 12 or later and a supported language, and call recording is unavailable in the European Union, Russia, the United Arab Emirates, and several other regions.

Android

The Phone app records calls with an announcement where the device, carrier, and country allow it. Google Voice transcribes voicemail, not full calls.

Mac or business VoIP

Spokenly on Mac records system audio and your microphone for later transcription. Business phone systems often include their own recording, retention, and transcript controls, so check those first.

No built-in recorder

With everyone's permission, put the call on speaker and record it with a second phone or computer.

Drop the saved recording into Transcribe File and pick a local model to keep the call on your device. Phone audio is narrowband and callers talk over each other, so even strong models miss digits and names: verify numbers and spellings against the recording, and keep the audio as the authoritative copy. Voicemails use the same file workflow, covered in the voicemail to text guide.

Free Online Audio to Text Converter Limits

A free audio to text converter online is fine for a short, non-sensitive clip. It is weaker when the file is long, private, noisy, multilingual, or needs subtitle export.

  • -Many free web tools cap file length, file size, or monthly minutes.
  • -Your audio is uploaded to a third-party server before transcription starts.
  • -Some tools hide download, timestamps, or subtitle export behind a paid plan.
  • -Desktop transcription avoids upload caps and lets you use local models when privacy matters.

Transcript and Subtitle Export

The output format matters as much as the transcript. Notes need clean paragraphs. Video files need timestamps. Research and automation workflows need structured data. Spokenly exports the same file transcription in several formats.

TXT and Markdown

Best for meeting notes, summaries, blog drafts, and research transcripts.

SRT and VTT

Best for captions, YouTube subtitles, webinars, courses, and video editing.

JSON and FCPXML

Best for automation, searchable archives, and Final Cut Pro workflows.

Languages and Accuracy

Spokenly supports 100+ transcription languages. English, Spanish, French, Arabic, Japanese, Russian, and many other languages work in both live dictation and file transcription, depending on the selected model. For Spanish files specifically, see the Spanish speech to text guide.

Accuracy depends on audio quality, speaker overlap, vocabulary, and model choice. Clean MP3 or M4A recordings usually need light editing. Noisy calls, heavy jargon, or multiple overlapping speakers benefit from a modern cloud model and speaker labels.

FAQ

What is the fastest way to convert audio to text?

Drop the file into Spokenly's Transcribe File tab, choose a model, and export the result. It accepts MP3, M4A, WAV, FLAC, OPUS, OGG, MP4, MOV, and M4V without a format conversion step.

Is there a free audio to text converter?

Yes. Spokenly can convert audio to text for free with local models or with your own OpenAI, Deepgram, or Groq API key. Pro adds managed cloud transcription if you do not want to manage keys.

Can I transcribe audio files without uploading them?

Yes. Select a local Parakeet or Whisper model and enable Local Only Mode. The audio file and transcript stay on your Mac, which is useful for interviews, client calls, research, legal audio, and medical recordings.

Can I convert MP4 video to text too?

Yes. Spokenly accepts MP4, MOV, and M4V files in the same file transcription flow. It extracts the spoken audio and returns text, subtitles, or a structured transcript.

Which export format should I use?

Use TXT or Markdown for notes, SRT or VTT for subtitles, JSON for structured processing, and FCPXML when the transcript needs to move into a video editing workflow.

Does audio to text work in languages other than English?

Yes. Spokenly supports 100+ transcription languages. For mixed-language files, set the language explicitly when you know it, or use a modern cloud model when the recording includes code-switching.

Related Guides

Private File Transcription

Use local models and Local Only Mode when the recording contains client calls, medical notes, legal interviews, or source-confidential audio.

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