Riddi

Riddi – Local Text-to-Speech Browser Reader

A Chrome extension that converts web articles to speech using built-in local AI models. No cloud services, no API keys – everything runs directly in your browser.

Riddi extracts readable content from web pages and synthesizes natural-sounding speech using bundled neural TTS models.

It's perfect for:

- Listening to articles while doing other tasks
- Accessibility – have any web content read aloud
- Learning – listen to educational content hands-free
- Reducing eye strain – give your eyes a break

Features:

Local AI Processing
- Runs entirely in your browser using ONNX Runtime (WebGPU with WASM fallback)
- No data sent to external servers
- Works offline once loaded

Smart Content Extraction
- Automatically detects and extracts article content using Readability.js
- Filters out navigation, ads, and other non-content elements
- Text Selection Mode – manually select specific text blocks to read

Real-time Highlighting
- Highlights the current paragraph being read
- Word-by-word highlighting synced with speech
- Smooth auto-scroll to keep content in view

Multiple Voices
- 10 built-in voice styles (5 male, 5 female)
- Adjustable speech speed (0.5x – 2x)
- Quality/speed tradeoff via denoising steps

Floating Widget
- Unobtrusive player that stays in the corner
- Expand for playback controls
- Can be disabled in settings (use pop-up instead)