About Whisper Web

Whisper Web is a browser-based speech-to-text platform that uses OpenAI's Whisper model to provide transcription directly in the web browser. It runs without downloads or installations and aims to deliver instant, accurate speech-to-text conversion while keeping data on the device.

Whisper Web leverages WebGPU and WebAssembly to perform processing in the browser. This approach emphasizes privacy by keeping audio and transcripts on the user’s device and avoids server uploads for the local mode.

Whisper Web presents two modes: a Free mode that processes locally and an Unlimited mode that offers cloud transcription for longer files and batch uploads. The project highlights that no servers are required for the local mode and that cloud options exist for larger workloads.

The service is privacy-first and browser-based, with cross-device capabilities and support for desktop and mobile browsers that support WebGPU. The team emphasizes privacy, openness, and accessibility as core elements of Whisper Web.

Key features

Runs entirely in the browser using WebGPU acceleration
Supports 99 languages with automatic language detection
Three input methods: microphone, file upload, URL/Browser audio
Locally processes in Free mode; cloud processing available in Unlimited
Uses OpenAI Whisper models for transcription
Exports to TXT, SRT, VTT, JSON

Pros and cons

Pros

No account required for Free plan

Cons

Unlimited plan is paid and cloud-dependent for longer files

Pricing

Whisper Web Free

Free

monthly

Files up to 200 MB / 20 min
99 languages with auto-detection
Runs locally — nothing leaves your device
Export to TXT, SRT, VTT, JSON
No account required

Whisper Web Unlimited

US$10 / month

Cloud transcription
10 Hour Uploads
All Features Included
Cross-device sync
Cloud storage
Fastest Processing

Reviews

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Frequently asked questions

What exactly is Whisper Web and how does it work?

Whisper Web is a browser-based speech recognition platform powered by OpenAI's Whisper AI model. It processes audio locally in your browser using WebGPU and WebAssembly, providing speech-to-text transcription without requiring downloads, installations, or server uploads.

Is my audio data private and secure?

Yes, absolutely. In Free mode, Whisper Web runs entirely locally in your browser. Your audio files never leave your device. With Unlimited, files are processed on secure cloud servers and deleted after transcription is complete.

Is Whisper Web free to use?

Yes. The Free plan lets you transcribe files up to 200 MB and 20 minutes with no limits on the number of transcriptions. For longer files (up to 10 hours / 5 GB) and batch uploads, Whisper Web Unlimited is available at US$20/month or US$10/month billed yearly.

What languages are supported?

99 languages including English, Chinese, Spanish, French, German, Japanese, and many more. The AI automatically detects the spoken language — no manual selection needed.

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