WSP
AI UtilitiesOpen Source In-Browser / WASM

Whisper Web (Transformers.js)

100% In-browser private speech recognition and audio transcription powered by WebGPU.

Visit Official Website
🔒 External link to huggingface.co. Verified clean & active.
Account Required No signup needed
Pricing StructureOpen Source
Execution ModeClient-Side (In-Browser)
Last Inspected2026-08-27

About Whisper Web (Transformers.js)

Whisper Web is a technical demonstration of modern client-side AI. Using Transformers.js and WebAssembly/WebGPU, it downloads an optimized quantized Whisper speech model once and executes speech-to-text inference on your computer hardware. Your audio recordings never leave your machine, guaranteeing complete privacy.

Best for: Privacy-focused users, journalists, and developers transcribing confidential interviews and meetings.

Pros & Cons Analysis

What We Liked
  • Complete privacy: confidential audio is never uploaded to any server
  • 100% Free and open source with no API keys or payments needed
  • Works offline once the model weights are cached in browser
Considerations & Limits
  • Initial model download requires ~40MB-150MB of bandwidth
  • Transcription speed depends on your local computer hardware

Key Features & Capabilities

100% In-browser execution with zero cloud server uploads
WebGPU hardware acceleration for fast transcription
Supports microphone live recording and file upload (MP3, WAV, MP4)
Multi-language transcription and English translation
Export transcripts to TXT and timestamped formats

Pricing & Plan Information

100% Free and Open Source.

Specifications

Supported Formats
MP3WAVM4AMP4WEBMTXT
Available Platforms
Web
Developer / Team: Hugging Face / Xenova

Associated Tasks

AI Audio & Speech TranscriptionCompress Video (MP4, MOV)AI Research & Search Engine

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