Free Online Text to Speech Voice Reader

Overview

A high-performance, client-side web application that enables users to convert text input into spoken audio using the modern Web Speech API. This tool is designed for accessibility, productivity, and proofreading.

Visual Design & UI Structure

• Color Palette: High-contrast professional palette using slate, white, and a distinct primary accent color (e.g., a calm cerulean) for active buttons.
• Layout:
  • Header: Contains the app name and a simple toggle for light/dark mode.
  • Main Editor: A large, clean textarea with a character count indicator at the bottom right.
  • Control Panel: A sticky footer bar containing playback controls, speed/pitch sliders, and voice selection menus.
• Animations: Subtle CSS transitions on button states (hover/active). The active sentence being spoken will be highlighted with a soft background pulse animation.

Key Features

1. Text Input & Management:
   • Large, resizable text editor window.
   • Character counter for tracking length.
   • 'Clear All' and 'Paste from Clipboard' buttons.
   • Support for importing .txt files via drag-and-drop.
2. Playback Controls:
   • Play, Pause, Resume, and Stop functionality.
   • Progress bar to jump to any point in the text.
   • Real-time word highlighting as the text is read.
3. Customization:
   • Voice Selection: Dynamic dropdown list fetching available voices via the Web Speech API.
   • Speed (Rate): Slider from 0.5x to 2.0x.
   • Pitch: Slider from 0 to 2.0 to adjust the voice tone.
   • Volume: Slider for output amplitude.
4. Accessibility:
   • Full keyboard navigation support.
   • ARIA labels on all interactive controls for screen reader compatibility.
   • High-contrast visual modes.

Technical Implementation

• Core Technology: Native JavaScript using the window.speechSynthesis interface.
• State Management: Minimalist implementation to track playback position and current settings.
• Performance: Client-side execution ensures zero latency and offline capabilities (once the page is loaded).
• Responsive Design: Mobile-first approach, ensuring the control panel is easily accessible via touch on smaller devices.