Transformers.js

by Hugging Face

Run Whisper / wav2vec2 entirely in the browser via ONNX Runtime Web.

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TL;DR

Best for in-browser private transcription with no server round-trip. Pricing: free.

Category
Open source
License
Apache-2.0
Stars
★ 16.2k
Last push
2026-07-31
Pricing
free
Platforms
Web, Node.js

What it is

The JavaScript port of HuggingFace Transformers. Apache-2.0.

Best for: In-browser private transcription with no server round-trip.
Watch out for: WebGPU acceleration still uneven across browsers; large model download.

Install / use

npm install @xenova/transformers

Features

Speaker diarizationNo
Word-level timestampsYes
Streaming / real-timeYes
Languages supported99
HIPAA eligibleNo

Links

GitHub repo ↗

Transformers.js vs Whipscribe

FeatureTransformers.jsWhipscribe
CategoryOpen sourceTranscription APIs
Pricingfree$4–$24 one-time packs (credits never expire) · $2 single unlock · 60 min free on signup
Speaker diarizationNoYes
Word timestampsYesYes
StreamingYesNo
Languages9999
PlatformsWeb, Node.jsWeb, API, MCP

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