STT.ai Chrome Extension

Right-click any audio or video on any webpage to transcribe it instantly. Works with YouTube, Vimeo, SoundCloud, and any website with media.

Free and open source. No data collected.
STT
STT.ai Transcribe
Chrome Extension v1.0

How It Works

Right-Click

Right-click on any audio or video element on any webpage. Select "Transcribe with STT.ai" from the context menu.

AI Transcribes

STT.ai opens with your media URL pre-loaded. Choose from 10+ AI models and 100+ languages.

Get Transcript

Get your transcript with timestamps and speaker detection. Export as TXT, SRT, VTT, DOCX, or PDF.

Features

YouTube Integration
Adds a "Transcribe" button next to the Share button on every YouTube video.
Media Detection
Automatically detects audio and video elements on any webpage and adds floating Transcribe buttons.
Link Transcription
Right-click on any link to a media file (MP3, MP4, WAV, etc.) to transcribe it directly.
Quick Popup
Paste any URL into the popup to transcribe it instantly. Recent transcriptions are saved for quick access.
100+ Languages
Transcribe audio in any of the 100+ languages supported by STT.ai.
Privacy First
No browsing data collected. The extension only activates when you click it. Open source.

Install the Extension

The STT.ai Chrome Extension is available on the Chrome Web Store. Install it in seconds and start transcribing any audio or video on the web.

STT
STT.ai — Transcribe Any Audio or Video
100+ languages, 10+ AI models
Add to Chrome — Free
Also works with Brave, Edge, and other Chromium browsers.
Manual Install (Developer Mode)
Go to chrome://extensions, enable Developer mode, click "Load unpacked", and select the extension folder.

Supported Platforms

The extension works with any webpage that has audio or video content. Here are some popular platforms:

YouTube Vimeo SoundCloud Spotify Twitch TikTok Dailymotion Facebook Instagram Twitter / X Reddit Rumble Google Drive Dropbox All supported platforms →

Frequently Asked Questions

chrome extension runs in your browser: paste a URL, upload a file, or record from your mic. STT.ai picks the AI model and returns the transcript in under 5 minutes. Export as TXT, SRT, VTT, DOCX, JSON, or PDF.

Yes — every visitor gets 600 free minutes/month on STT.ai, usable for chrome extension the same as any other workflow. Paid plans starting at $5/month unlock longer files, private transcripts, and priority queueing.

chrome extension runs on the same AI models as the rest of STT.ai — our best models reach 95-97% accuracy on clean speech (3-5% Word Error Rate on benchmarks). Switch models on the fly if the first pass is below your target.

chrome extension can run on any of STT.ai's 10+ models — STT.ai Enhanced (most accurate), Whisper Large V3 (99 languages), NVIDIA Canary (#1 WER on supported langs), Whisper Turbo (fast), Moonshine (lightweight), and more.

Yes. Every transcript exports as SRT or VTT — works with YouTube, Vimeo, TikTok, VLC, and every major video player. The burn-subtitles tool overlays them onto video as hardsubs.

Yes. Speaker diarization automatically labels each voice (Speaker 1, Speaker 2, ...) and you can rename them in the built-in editor. Works across all models and languages.

Most chrome extension jobs finish in under 5 minutes. A 1-hour audio file typically completes in 2-3 minutes with our fastest models. Speed depends on chosen model and current GPU load.

chrome extension accepts 20+ formats — MP3, WAV, M4A, FLAC, OGG, MP4, MKV, MOV, WebM, AVI, and more. Output to TXT, SRT, VTT, DOCX, JSON, or PDF.

Yes. Audio files submitted to chrome extension are processed and deleted by default. Pro plans add client-side encryption — even if STT.ai's database is breached, your transcripts are unreadable without your key. Data is never used for model training without explicit opt-in.

Yes. STT.ai offers a REST API with Python and Node.js SDKs, plus an MCP server for Claude and Cursor — all usable for chrome extension workflows. Free API tier includes 100 minutes/month.

Yes. Every transcript opens in the built-in editor where you can correct words, rename speakers, adjust timestamps, and add notes. All changes save automatically.

Every transcript gets a unique shareable URL. Export to DOCX or PDF for email. Pro plans add password-protected and permanent links — useful for client work.

STT.ai handles 1,300+ platforms including YouTube, Vimeo, TikTok, SoundCloud, Zoom, Google Meet, podcast hosts, and more. URL transcription works with publicly-available content only — DRM-protected sources can't be transcribed.