Free Audio-to-Text Transcription: How to Convert Audio Files for Free

Free audio-to-text transcription turns a recorded audio file into editable written text. PlainScribe converts your file in your browser at up to 99% accuracy across 47 languages, starting with 30 free minutes (no credit card) and then just $0.067 per minute ($4 per hour) with no subscription. Uploads auto-delete after 7 days.

TL;DR

• Free to start: Upload an audio file and get text with PlainScribe's 30 free minutes — no credit card, no subscription.
• Cheap after that: $0.067/min ($4/audio hour), pay only for what you use; $10 minimum buys ~150 minutes that stay valid a year.
• Accurate and multilingual: up to 99% accuracy, 47 auto-detected languages, files up to 200MB.
• Private by design: uploads and transcripts auto-delete after 7 days; an offline desktop app handles sensitive audio locally.
• Export anywhere: TXT, CSV, SRT, and VTT, plus AI summaries and translation in the same tool.

What "audio-to-text transcription" means

Audio-to-text transcription is the process of converting spoken words in an audio recording — an interview, a podcast, a voice memo, a lecture — into a written transcript you can search, edit, quote, and repurpose. Modern tools do this with AI speech recognition: you upload a file, the model transcribes it, and you get text back in a fraction of the recording's length.

This is different from real-time dictation (where you speak and watch text appear). File-based transcription is what you want when you already have a recording and need it as text. PlainScribe is file-based and AI-only — fast, accurate, and no human-service wait.

How to transcribe audio to text for free

1. Create a free account on the sign-up page. You get 30 free minutes immediately, no card required.
2. Upload your audio file — up to 200MB on the web. PlainScribe accepts MP3, WAV, M4A, AAC, FLAC, OGG, and common video formats too (MP4, MOV, WebM, MKV).
3. Let it run. PlainScribe auto-detects the language (47 supported) and transcribes at up to 99% accuracy.
4. Review the draft and fix any names or specialized terms — AI gets the bulk right, you polish the rest.
5. Export as TXT, CSV, SRT, or VTT. Need a quick recap? Generate an AI summary (Smart Notes). Need another language? Translate the transcript in place.
6. Your file and transcript auto-delete after 7 days. For sensitive recordings, use the desktop app to process everything locally.

Free vs. paid: what you actually get

| Approach | Cost | Accuracy | Effort | Best for | |----------|------|----------|--------|----------| | PlainScribe free trial | 30 min free, then $0.067/min | Up to 99% | Upload and wait | Real files, fast | | Google Docs Voice Typing | Free | Variable | Play audio live, edit | Short clips, dictation | | Manual transcription | Free | High (if careful) | Very high | Tiny clips, total control | | Rev (AI) | $0.25/min | Up to 99% | Upload and wait | One-offs, no commitment | | Sonix (PAYG) | $0.167/min | ~94-97% | Upload and wait | Occasional use |

Verdict: For a quick, free taste, manual or Google Docs works on short clips. For anything longer than a few minutes — or where accuracy and speed matter — PlainScribe's 30 free minutes followed by $0.067/min beats Rev ($0.25/min) and Sonix ($0.167/min) on price while matching them on output quality.

Why pay-as-you-go beats subscriptions for most files

Most people don't transcribe the same volume every month. A subscription charges you whether you use it or not. PlainScribe charges $0.067/min only when you upload something:

• A 2-hour month costs $8.04 — versus a flat $10-$30 subscription you'd pay regardless.
• A one-off 45-minute interview costs about $3.
• The $10 minimum purchase covers ~150 minutes, and those credits don't expire for a year.

If you genuinely transcribe 20+ hours every month, a flat unlimited plan like TurboScribe ($10/mo) is cheaper — see the full math in our pricing comparison. For variable or low volume, pay-as-you-go is the honest winner. Check current rates on the pricing page.

What you can do with the transcript

A transcript is the starting point, not the end:

• Accessibility: make audio content usable for people who are deaf or hard of hearing.
• Searchability: jump straight to the moment someone said a specific thing.
• Repurposing: turn a podcast into a blog post, pull quotes, build show notes.
• Captions: export SRT/VTT to caption video.
• Translation: convert into any of 47 languages for an international audience.

Explore more in use cases and the full tools suite.

FAQs

How do I convert audio to text for free? Sign up for PlainScribe to get 30 free minutes (no credit card), upload your audio file, and download the transcript as TXT, SRT, VTT, or CSV. For short clips you can also dictate into Google Docs Voice Typing at no cost.

Is free audio-to-text transcription accurate? AI tools like PlainScribe reach up to 99% accuracy on clean audio. Real-time dictation and manual methods are less reliable with accents, jargon, and overlapping speakers, so they usually need more editing.

What audio formats can I transcribe? PlainScribe handles MP3, WAV, M4A, AAC, FLAC, OGG, and common video formats (MP4, MOV, WebM, MKV), up to 200MB per file on the web.

How much does it cost after the free minutes? $0.067 per minute, which is $4 per audio hour. There's no subscription and no per-seat fee. The minimum purchase is $10 (~150 minutes), and paid credits remain valid for one year.

Is my audio kept private? Yes. PlainScribe auto-deletes uploaded files and transcripts after 7 days. For maximum privacy, the offline desktop app (~$49 value) transcribes sensitive audio entirely on your own machine.

Start converting audio to text free

Upload a file and see the result yourself: start with 30 free minutes — no credit card needed. For the bigger picture, read the free online transcription guide, and if you work with recordings, see transcribing audio recordings to text for free.