Best Free AI Transcription Tools in 2027: Audio to Text That Actually Works

Free transcription audio to text tools turn a recording into written words in minutes — a meeting, a lecture, a podcast or a voice memo becomes a searchable document you can quote, search and edit.

The catch is that “free” means different things on different tools: some cap each file at three minutes, some limit you to three file uploads ever, and some are free only until you want to export the result. This guide compares the best free AI transcription tools in 2027 by what free actually means, so you can pick by the audio you have.

Key takeaways: There is no single best free transcription tool — the right pick depends on your audio. TurboScribe is the best repeat free allowance for uploaded files (three files a day, listed as up to 30 minutes each). Riverside’s public transcriber is the best no-sign-up option. Otter.ai is best for live meetings, Descript is best when the transcript feeds straight into editing, and OpenAI’s Whisper is the best option for private audio because it runs on your own computer. Free limits change often, so confirm the current allowance on the official page before relying on one — and never upload confidential audio to a free cloud tool.

What is the best free transcription audio to text tool?

It depends on the audio. A monthly meeting needs live transcription with speaker labels; a lecture recording needs a generous per-file allowance; a one-off podcast clip needs no sign-up and a quick export; a confidential interview needs a tool that never uploads the audio at all. Pick by the audio, not by the headline “free minutes” — that number hides the limits that actually decide whether a tool works for you.

Three limits matter more than the headline number. The per-file cap decides whether your recording fits in one upload. The import limit decides how many files you can ever upload for free — some tools cap lifetime imports, not monthly minutes. And the export rules decide whether you can take the transcript out as a text or subtitle file, or whether it stays locked in the app. The table below lists all three for each tool, as currently stated on the official pages.

Best free transcription tools in 2027 at a glance

Tool	Free allowance (as listed)	Per-file cap	Export	The catch
TurboScribe	3 transcripts a day	30 minutes per file	TXT, DOCX, PDF, SRT, VTT	Lower-priority processing on Free
Riverside public transcriber	Unlimited transcriptions, no sign-up	File upload limits apply	TXT and SRT	All text assigned to one speaker
Otter.ai	300 minutes a month	30 minutes per transcription	TXT and SRT	Only 3 lifetime file imports on Free
Descript	60 media minutes a month	Minutes metered per editor	Edit inside Descript	Best features need a paid plan
Google Docs voice typing	Unlimited live dictation	Live only, no file upload	Google Doc only	You must speak it live
Microsoft Word transcription	Included for Microsoft 365 subscribers	Upload limits apply	Word document	Needs a 365 subscription
OpenAI Whisper (local)	Unlimited, runs on your computer	None — your machine is the limit	TXT, SRT, VTT and more	Needs a technical setup
Notta	Free plan with monthly minutes	3 minutes per conversation	TXT and SRT	Very short per-file cap

Free allowances change frequently — confirm the current limit on the official page before relying on one. Where independent guides disagree about a limit, this guide uses the more conservative figure and says so.

TurboScribe: best repeat free allowance for uploaded files

TurboScribe is the cleanest free default for turning audio files into text. Its free plan currently allows three transcripts a day, each up to 30 minutes, in the browser with no install — and it is built on OpenAI’s Whisper model, so accuracy is strong on clear audio. Exports cover the formats that matter: TXT, DOCX, PDF, SRT and VTT. The catch is lower-priority processing on the free plan, so a file can take longer at busy times. Try the official TurboScribe site.

Riverside: best free transcription with no sign-up

Riverside’s public transcriber is the fastest route when you have one file and no patience for accounts: its public page currently says unlimited transcriptions are free with no sign-up required, supporting MP3, WAV, MP4 and MOV, with TXT transcript and SRT caption downloads. The catch is that the free public tool assigns all text to one speaker, even on multi-speaker uploads — so it suits a solo recording or a quick caption job, not a panel discussion. See the official Riverside site.

Otter.ai: best free transcription for live meetings

Otter.ai is the best-known name in this category, and its free plan is built for meetings: live transcription with speaker identification, so you can see who said what as the meeting happens. The free plan is listed at 300 minutes a month — some guides quote 600, so treat the figure as “around 300” and check the current page — and each transcription is capped at 30 minutes. The limit that catches people out is the import cap: the free plan allows only three lifetime audio or video imports, so Otter is a poor choice for transcribing a backlog of recordings, and a good one for live meetings. Visit the official Otter.ai site.

Descript: best free transcription when you edit the result

Descript is the pick when the transcript is not the end product but the start of an edit. Its free plan includes 60 media minutes a month, with automatic transcription in 25 languages and multi-speaker detection, and the transcript lives inside the editor — you cut the text and the audio follows. That makes it the best free option for podcasters and video creators who edit from a transcript. If you only need a text file, a simpler tool will be faster. See the official Descript site.

Google Docs voice typing: best free live dictation

Google Docs voice typing is the simplest free option of all, and it is unlimited: open a document, switch on voice typing, and speak — your words appear as text in real time. The catch is that it only works live. You cannot upload a recording; you have to play the audio aloud while the document listens, which is slow and unreliable for long recordings. It is best for dictating your own notes, not for transcribing someone else’s audio. See Google’s own help pages for voice typing in Google Docs.

Microsoft Word: best free transcription if you already pay for 365

Microsoft Word includes audio transcription in its web version for Microsoft 365 subscribers: upload an MP3, M4A or WAV file and Word generates a transcript with speaker labels in a side panel, which you can insert into the document. It costs nothing extra if you already subscribe, and the output lands directly in a document you can edit. If you do not subscribe, it is not a free option at all. See Microsoft’s own help pages for transcribing recordings in Word.

OpenAI Whisper: best free transcription for private audio

Whisper is OpenAI’s open-source speech recognition model, and it is the most powerful free transcription option available: it runs locally on your computer, supports 99 languages, has no usage limits, and your audio never leaves your machine.

That last point is the reason to choose it — for confidential interviews, medical notes or anything you would not upload to a stranger’s server, local transcription is the only safe option. The catch is the setup: it needs Python installed and a command line, and the model files are hundreds of megabytes to a few gigabytes. If you are comfortable with that, nothing else free comes close. See the official Whisper project page. For a broader look at free AI writing tools, start with our pillar guide to the best AI tools.

Notta: best free transcription for short clips

Notta’s free plan suits short, quick jobs: it transcribes live meetings and uploaded files with speaker labels and exports to TXT and SRT. The limit to know about is the per-conversation cap — the free plan caps each conversation at three minutes, which makes it a poor choice for a lecture and a fine one for a short voice memo. Check the current allowance on the official Notta site before relying on it.

How accurate is free AI transcription?

Accuracy ranges from about 85% to 95% depending on the audio, and the honest answer is that the audio matters more than the tool. Clear audio with one speaker and little background noise transcribes well on almost any tool on this list; overlapping speakers, heavy accents, technical vocabulary and background noise drag every tool down. Modern speech recognition models handle accents, background noise and multiple speakers far better than the tools of a few years ago, but no free tool is perfect.

Be wary of accuracy percentages on vendor pages: a vendor’s published accuracy figure is a vendor claim, not a cross-vendor score, because no two vendors test on the same audio. This guide does not rank tools by accuracy, because no honest ranking exists without a controlled test on the same file. What you can trust is the pattern: Whisper-based tools are consistently strong, live meeting tools trade a little accuracy for speed, and every tool improves dramatically when the recording is clean.

Pick by the audio you have

• A live meeting: Otter.ai — live transcription with speaker labels, or Notta for short calls.
• A lecture recording: TurboScribe — three 30-minute files a day covers most lectures.
• A podcast episode: Descript — the transcript becomes the edit, or TurboScribe for a plain text file.
• A one-off file, no account: Riverside’s public transcriber — upload, download, done.
• Your own dictation: Google Docs voice typing — unlimited and already in your browser.
• Confidential audio: Whisper, run locally — the audio never leaves your computer.
• A file already in Word: Microsoft Word transcription, if you subscribe to Microsoft 365.

If you also need a summary of the recording rather than a word-for-word transcript, our guide to the best AI YouTube summarizers covers tools that turn videos into summaries — a different job from transcription, and one worth knowing about. And if your audio is a lecture you want to study from, our guide to the best AI study guide makers shows how to turn notes and recordings into exam-ready guides.

How to get a better transcript from any free tool

A few habits lift accuracy more than switching tools ever will:

1. Record cleanly. A quiet room and a microphone close to the speaker beat any model upgrade. Compressed formats like MP3 lose audio detail, so use WAV or FLAC when you have the choice.
2. Split long files. Most free plans cap each file at 30 minutes or less, so split a long recording before you upload it.
3. Check the names and numbers. Transcripts get proper nouns, technical terms and figures wrong most often. Read those first.
4. Keep the audio. A transcript is a draft, not a record. Keep the original recording until you have checked the passages that matter.
5. Never upload what you would not share. Free cloud tools may store your audio and use it to improve their service. Confidential interviews, health discussions and unreleased work belong in a local tool like Whisper, not in a free upload form.

Frequently asked questions

Is there a truly free audio to text converter?

Yes, with limits. TurboScribe allows three free files a day, Riverside’s public transcriber currently says unlimited free transcriptions with no sign-up, Google Docs voice typing is unlimited for live dictation, and Whisper is unlimited and free if you run it on your own computer. “Truly free” usually means capped per file, capped per day, or needing a technical setup — read the limit, not the headline.

How do I transcribe an MP3 to text for free?

Upload the MP3 to a free transcription tool, wait for processing, then download the transcript as a TXT or SRT file. TurboScribe and Riverside both accept MP3 uploads in the browser with no install. For a long MP3, split it into 30-minute parts first, since most free plans cap each file. For a private MP3, use Whisper locally instead.

Can I transcribe audio to text without creating an account?

Yes. Riverside’s public transcriber currently needs no sign-up, and Whisper runs locally with no account at all. Most other tools need a free account before you can upload, which is worth knowing if you only have one file.

Can free transcription tools handle multiple speakers?

Most of them try: Otter, Descript, Notta and Whisper-based tools all offer speaker labels. Riverside’s free public tool does not — it assigns all text to one speaker. Even the best speaker labels are imperfect when voices overlap, so check the labels on the passages that matter.

What file formats can I transcribe for free?

Most free tools accept the common formats: MP3, WAV, M4A and MP4. TurboScribe, Riverside and Otter all accept MP3, WAV and M4A, and Riverside and TurboScribe also accept video files. For the best accuracy, upload WAV or FLAC when you have the choice, since compressed formats lose audio detail.

Final verdict

Start with the audio. For a lecture or a podcast, use TurboScribe’s three free files a day. For one file in a hurry, use Riverside’s no-sign-up transcriber. For a live meeting, use Otter.ai. For confidential audio, run Whisper on your own computer and upload nothing at all. Whichever tool you choose, read the free limit on the official page before you rely on it, and remember the rule that governs all of them: a transcript is a draft to check, not a record to trust blindly.

At Digital Discoverist, we test AI tools so you can choose with your eyes open — browse the Discover Tools category for more tools in this niche. And for the opposite direction — turning your text into spoken audio — see our guide to the best free AI voice generators.