Zap Voicer

Send local audio files and audio catalog memes as native voice messages on WhatsApp Web.

# Zap Voicer - Audio as Voice ## What the Extension Does Transforms local audio files (MP3, WAV, and OGG) and audio catalog sound memes into native voice messages on WhatsApp Web. Select an audio file from your computer or search for sounds online, and the extension injects the content directly into WhatsApp’s recording flow, sending it as if it had been recorded through the microphone at that moment. ## Why You Should Install It ### Professional Quality Send voice-overs, recorded replies, music tracks, or pre-produced content with consistent quality and no unwanted background noise. ### Productivity and Speed Record complex messages once and reuse your audio whenever needed. Access the file picker through the button integrated into the message composer or by using dedicated keyboard shortcuts. ### Integrated Sound Library Search for memes, sound effects, and popular audio clips in real time directly from the conversation. Preview sounds before sending them and quickly switch countries to explore global trends. ### Native Experience Recipients receive the content exactly like a voice message recorded through WhatsApp, including native playback-speed controls (1x, 1.5x, and 2x) and continuous playback. ### Customization and Control Configure individual keyboard shortcuts for local files and sound search, enable automatic volume normalization, adjust the silence trimmer, and use an optional artificial delay to simulate natural pauses before sending. ### Privacy and Security All processing takes place locally in your browser. Your files are not uploaded to third-party servers; transmission occurs exclusively through WhatsApp Web’s own infrastructure. ## Key Features - Support for local MP3, WAV, and OGG files with direct bookmarking to Favorites - Integrated audio library with debounced real-time search - Multi-section tabs with fixed dimensions and active visual indicators - Collapsible vertical menu with country selection for trends - Audio preview button (play/pause) with secure decoding through Blob URLs - Configurable silence trimmer with adjustable sensitivity threshold and breathing margin - Zero-latency instantaneous audio stream injection for immediate transmission - Unified action button in the message composer with quick opening and keyboard shortcuts - Customizable keyboard shortcuts (Alt+A for local files and Alt+M for sound search) - Interactive visual tips (Coach Marks) with dark spotlight focus and intelligent speech balloons - Settings gear icon in the sound library header for instant access to extension options - Synchronized visual tips reset button in options with real-time tab updates - Forensic technical diagnostic system with one-click JSON report export covering audio, system, and WhatsApp Web compatibility - Direct access to the settings page by clicking the extension icon in the browser - Animated one-time modal presenting the latest version updates - Intelligent volume normalization using the Web Audio API - Hands-Free recording simulation integrated into the original interface - Manual cancellation with immediate audio interruption - Dynamic support for WhatsApp Web’s Light and Dark themes Designed for everyday messaging, providing seamless voice audio playback directly into WhatsApp Web conversations. --- ## Release Notes ### Version 1.4.3 - Interactive guided visual tips (Coach Marks) featuring a 50% dark spotlight effect, translucent cutout, and directional speech balloons - Smooth sequential queue flow presenting tutorials step-by-step upon confirmation or direct element interaction - Strict anti-collision geometry algorithm preventing speech balloons from ever overlapping or obscuring highlighted elements - Header gear icon replacing the previous close button for 1-click access to extension settings - Visual tips reset button in the options page with instant real-time synchronization across active WhatsApp Web tabs - Forensic technical diagnostic module with one-click JSON report download covering audio APIs, system environment, service worker status, and WhatsApp Web DOM audit - Advanced UI element lifecycle tracking and heuristic validation of message composer selectors - Guaranteed local-only diagnostic privacy with zero collection of messages, contacts, audio data, or credentials - Unified official title as "Zap Voicer", universal "Upload" term across all languages, and automatic English fallback for unsupported locales ### Version 1.4.2 - Fixed audio capture issues caused by browser updates by dispatching synthetic pointer and mouse events directly to recording controls - Added smooth Fade-In and Fade-Out gain transitions (via GainNode) to eliminate clicks and pops at audio boundaries - Added real-time audio monitoring support, allowing users to listen through speakers/headphones during sending - Added a one-click share button to easily recommend Zap Voicer in conversations - Interactive collapsible changelog accordion in the update welcome modal ### Version 1.4.1 - Automatic prompt to save uploaded local audio files directly to the Favorites tab with custom titles - In-place renaming for favorited audio items via double-click and custom drag-and-drop reordering - Green active tab indicator bar and highlighted typography for seamless navigation - Consistent fixed-size modal window with fluid responsive list across all tabs - Refreshed "What's New" update modal highlighting all latest features ### Version 1.4.0 - Unified single action button in chat composer displaying the official icon - Local audio file upload integrated directly into the audio catalog modal header - New navigation tabs: "Trending", "Recent", and "Favorites" with live counters - Stack-based (LIFO) recent sounds history with automatic deduplication - Favorites bookmarking with golden star and drag-and-drop reordering - Silence trimmer connected to the sending pipeline, with configurable activation, sensitivity threshold, and breathing margin ### Version 1.3.1 - New high-definition vector SVG official logo and refreshed extension icons - Direct access to the options and configuration page by clicking the extension icon in the browser toolbar - Animated modal dialog highlighting recent updates, displayed once per version update - Enhanced sound preview stability with instant Blob URL playback and secure release - Automated obfuscated packaging workflow with XML token mapping ### Version 1.3.0 - Complete multi-language support (i18n) powered by the `chrome.i18n` API (English, Portuguese, Spanish, French, and German) - Automatic browser language detection with unified locale dictionary files - Refactored and modularized settings UI and toast notifications for all supported locales - React 18 event compatibility fixes for WhatsApp Web message composer interaction ### Version 1.2.1 - Adaptive silence trimmer using RMS energy analysis to remove empty silence from audio start and end - Improved PTT (Push-To-Talk) native voice recording emulation with instant audio stream feeding - Fixed layout shift issues when hovering near the native microphone button - Enhanced error handling with discrete contextual floating notifications ### Version 1.2.0 - Rebranded as Zap Voicer with revamped UI components - Integrated sound effects and meme search engine directly into the chat interface - Country selector dropdown to browse trending audio clips by region - Customizable global keyboard shortcuts for local files (`Alt+A`) and online sound search (`Alt+M`) - Audio volume normalization engine via Web Audio API (`AudioContext`) - Optional pre-send artificial pause delay setting ### Version 1.0.0 - Initial public release of WhatsApp Audio as Voice extension - Injection of local MP3, WAV, and OGG audio files into WhatsApp Web recording pipeline - Interception of `navigator.mediaDevices.getUserMedia` for seamless native voice transmission - Dark and Light theme detection and dynamic style adaptation