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AI Transcription

Commercial use OK 380+ models No watermark No sign-up needed
Model:
+ GPT-5, Claude, Gemini
Upload an audio or video file — or paste a URL — and get a clean transcript with timestamps. Speaker diarization, SRT/VTT subtitle export, 100+ languages with auto-detect. Cost scales exactly with clip length. Powered by Whisper large-v3 and Parakeet (self-hosted), plus premium Wizper and ElevenLabs STT.

Drag and drop audio/video, or click to browse

MP3, WAV, MP4, WebM, M4A — up to 500MB

— — —
Whisper large-v3 — 99 languages, best-in-class accuracy.
Token estimate for this clip
—
YouTube, Instagram, TikTok, Spotify, and 1,300+ platforms
URL transcription cost is based on the clip's actual duration — we quote after download. Expect ~500 tokens/minute on Whisper.
Recording: 0:00

Real-time transcription using your microphone

Transcript

Transcribing your audio...

This may take a moment for longer files.

What people transcribe with Free.ai

Interviews + podcasts

Diarization labels every speaker. Export SRT straight into your video editor, or plain text for an article writeup.

Auto captions + subtitles

Upload a YouTube upload or TikTok, pick SRT or WebVTT, and burn the subtitles on with /video/subtitle/. One-stop caption workflow.

Meeting notes

Upload a Zoom/Teams recording — get transcript + speaker labels. Pair with /write/summarize/ for bullet-point minutes.

Lectures + lessons

Transcribe a 90-minute lecture, then use /study/flashcards/ or /write/summarize/ to turn it into study material.

Foreign-language audio

Whisper auto-detects 99 languages. Transcribe in the original, then send the text through /translate/ to jump languages.

Legal + medical

Timestamps, speaker labels, JSON export with every word's start/end time — accurate court-reporter or clinical-note prep.

How Free.ai transcription compares

What you get Free.ai Otter.ai Descript Rev.com
Free daily usage5K+ tokens/day300 minutes/mo1 hr/month—
EngineWhisper large-v3, ParakeetProprietaryProprietaryHuman + AI
Languages99English-focused2230+
Speaker diarization
SRT / VTT exportPaidPaid
Public APILimitedLimited
Live streaming STT (free) Paid——
Sign-up requiredNoYesYesYes
Competitor figures reflect publicly listed free tiers as of 2026. Check each provider for current plans.
Advanced options
Result
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Want better results? Premium models (GPT-5, Claude, Gemini) deliver higher quality. View Plans

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Free AI transcription tool powered by Whisper large-v3. Transcribe audio, video, YouTube URLs, or live mic. Speaker diarization, 99 languages. Export SRT, VTT, TXT.

How to Use AI Transcription

1
Enter your input

Type text, upload a file, or describe what you want. No account needed.

2
Click generate

Our AI processes your request in seconds using the best open-source models.

3
Download & share

Download, copy, or share your result. Free for personal and commercial use.

Use this tool via API

Automate this tool from your own code. OpenAI-compatible REST endpoint, Bearer-token auth, no extra SDK required. Token costs match the web interface.

API Documentation Get API Key 
curl -X POST https://api.free.ai/v1/stt/ \
  -H "Authorization: Bearer sk-free-..." \
  -H "Content-Type: application/json" \
  -d '{"file": "@audio.mp3", "language": "auto"}'

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AI Transcription — FAQ

Free AI Transcription converts audio and video files to text using Whisper, the state-of-the-art speech recognition model. Upload a file and get accurate text in seconds.

Yes! Transcription costs ~4 tokens per second of audio. A 5-minute file costs ~1,200 tokens. You get 2,500/day free.

Whisper supports 99+ languages with automatic language detection. Just upload your audio and it detects the language automatically.

MP3, WAV, M4A, FLAC, OGG, MP4, WEBM, and most common audio/video formats.

Whisper is one of the most accurate STT models available, comparable to commercial services. Accuracy varies by audio quality and language.

Yes! Choose between plain text or timestamped output (SRT subtitle format).

Up to 25MB for anonymous users, 100MB for signed-in users. For larger files, split them first.

No! Transcribe files immediately without an account.

Yes, use our dedicated /transcribe/youtube/ tool — paste any public YouTube URL and we handle the download + transcription.

Our transcription uses the same Whisper model and is completely free. Otter charges $8-24/month, Rev charges per minute.

The transcribed text is fully editable — copy, modify, and download as needed.

Yes! Access our transcription API at /api/ for batch processing.

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