Whisper Web
Whisper Web is a completely free, in-browser speech-to-text transcription engine powered by OpenAI Whisper and Transformers.js. It executes 100% client-side inside your browser using WebGPU, ensuring zero audio uploads and complete privacy.
Yes, Whisper Web is 100% free to use. Journalists, podcast editors, legal professionals, and confidential interviewers transcribing sensitive audio files.
💰 Whisper Web Pricing & Free Tier Limits (2026)
100% Free & In-BrowserWhisper Web is 100% free with no credit card, no sign-up, and zero subscriptions. You can transcribe unlimited hours of audio without ever entering billing info.
Quick Facts: Architecture, Quotas & Sign-Up
Hands-On Testing: What We Liked & What Annoyed Us
- Absolute 100% privacy guarantee: no tracking, no logs, and no external API calls
- Completely free with unlimited audio duration and no subscription traps
- Exports clean text transcripts and timed subtitle files with one click
- Initial page load downloads the quantized model weights into browser cache (~40MB to 150MB)
- Processing speed depends on your computer's browser WebGPU support
Core Capabilities & Feature Breakdown
- 100% client-side speech recognition running entirely inside your browser tab
- Zero server upload—audio files never leave your computer's memory
- Hardware-accelerated processing via WebGPU and WebAssembly (WASM)
- Automatic multi-language translation and timestamped SRT/VTT subtitle export
Nathan independently audits generative AI pipelines, pricing architectures, and quota claims to protect developers and creators from subscription traps.
Ranked Category Hubs Featuring Whisper Web
Frequently Asked Questions: Whisper Web
Is Whisper Web really 100% private and free?
Yes, Whisper Web uses WebGPU to run OpenAI's Whisper model locally in your browser. Your audio is never sent over the internet or saved to any cloud server.
What audio formats does Whisper Web support?
It supports MP3, WAV, M4A, OGG, and video formats like MP4 for extracting spoken dialogue.
Can Whisper Web generate subtitle files?
Yes, you can export your transcript as standard plain text, JSON, or timestamped .SRT and .VTT subtitle files ready for YouTube or Premiere Pro.