Overview
Whisper Web turns audio, video and microphone recordings into editable text on the user's device. Choose Tiny, Base or Small Whisper models, use WebAssembly or WebGPU where supported, and export TXT, JSON, SRT or VTT.
The standard workflow supports media up to 300 MB and 20 minutes. A separate local workflow handles files up to 1 GB or one hour. It also converts one MP4, MOV or WebM file to MP3 locally.
The site still needs network access for application assets and model downloads. Whisper Web is an independent tool rather than an official OpenAI service. Actual speed and media compatibility depend on the user's browser, codecs and device.
Whisper Web in a Nutshell
Who is it for?
Individuals and small teams who need private, in-browser transcription and audio extraction without uploading data to the cloud
Problem
People often need to convert speech from audio or video into text, but cloud-based services raise privacy concerns and require uploads. Users also want to process medium to large media locally to avoid network delays and comply with data sensitivity. Managing multiple formats and export options can be cumbersome.
Solution
Whisper Web provides private in-browser transcription and MP4-to-MP3 conversion, using selectable Whisper models and local or WebGPU/WebAssembly processing. It outputs editable text in TXT, JSON, SRT, or VTT formats, with workflows tailored for media size limits to keep data on device.
What makes it unique
It runs entirely in the browser (with an optional local workflow for larger files), offering model size choices and export formats without relying on an official OpenAI service. It balances privacy, offline capability where possible, and browser-based performance depending on device and codecs.
Use Cases
Transcribe interview recordings locally
Convert lecture videos to text notes
Extract speech from podcasts for search
Generate captions for video content
Create transcripts for research audio files
Export transcripts in multiple formats
Frequently Asked Questions
What is Whisper Web?
Who is Whisper Web for?
Does Whisper Web offer a free plan or pricing details?
How does Whisper Web work?
What features does Whisper Web provide?
Which platforms or integrations does Whisper Web support?
How is data security handled in Whisper Web?
What are the media size limits for Whisper Web?
Can Whisper Web convert video to audio locally?
What does the browser requirement imply for performance?
How do I get started with Whisper Web?
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