Featured Case Study

PawCaption AI

AI-powered video editing platform that transforms pet videos into viral-ready social media content

AI Video EditingBrowser-Based ProcessingGoogle Gemini AIReact 19
AI-Powered
Video Analysis
Real-Time
Browser Processing
60fps
Video Rendering
React 19
Modern Stack

The Challenge

Pet content creators needed a way to create viral-ready social media content:

  • Manual Editing: Time-consuming video editing process
  • Voiceover Creation: Difficult to create natural-sounding pet voices
  • Music Selection: Finding matching background music is challenging
  • Subtitle Creation: Manual subtitle timing and styling

Pain Points

Hours of manual video editing
No AI-powered pet personality
Difficult to match music to video
Manual subtitle creation
Cannot scale content creation

The Solution

An intelligent video editing platform that automates the entire creative workflow from video analysis to final export—all in the browser.

AI Video Analysis

Google Gemini multimodal AI analyzes pet videos, understands context and emotions, and generates hilarious internal monologue from the pet's perspective.

Dual TTS System

ElevenLabs premium voice synthesis with audio tags ([laughs], [whispers]) or Gemini TTS fallback. Natural-sounding voiceovers with customizable settings.

AI Music Generation

ElevenLabs Music API composes custom background music matching video's vibe. Context-aware prompts from video analysis with automatic trimming.

Professional Video Rendering

Canvas-based rendering at 60fps with burned-in subtitles. Safe zone calculations for Instagram/TikTok with gold text and black stroke for readability.

Real-Time Preview

Synchronized video and audio playback with independent volume controls. Extended playback mode with freeze-frame when audio exceeds video duration.

Advanced Subtitle Editor

Timeline-based subtitle list with inline editing, audio chunk preview, timing validation, and click-to-seek functionality for precise control.

Technical Architecture

Built with cutting-edge AI models and modern web technologies for browser-based video processing.

Tech Stack

Frontend
React 19.2.0
Language
TypeScript 5.8.2
Build Tool
Vite 6.2.0
AI/ML
Google Gemini AI
TTS & Music
ElevenLabs
Audio Processing
Web Audio API
Video Rendering
Canvas API
Video Export
MediaRecorder

Key Achievements

Browser-Based Processing
All processing in browser
AI Video Analysis
Google Gemini multimodal
Dual TTS System
ElevenLabs + Gemini
AI Music Generation
Context-aware composition
60fps Rendering
Canvas-based video export
Professional Subtitles
Instagram/TikTok safe zones

The Journey

From concept to breakthrough platform

Discovery

The Vision

Create an intelligent video editing platform that transforms pet videos into viral-ready social media content using advanced AI technologies.

Design

Browser-Based Solution

Designed a platform that processes everything in the browser—video analysis, voice synthesis, music generation, and video rendering—all in real-time.

Development

Production Build

Built with React 19, Google Gemini AI, ElevenLabs, and Web Audio API. Implemented canvas-based rendering, subtitle editor, and professional export capabilities.

Launch

Breakthrough Platform

Delivered a cutting-edge platform that automates video content creation for pet creators. All processing happens in the browser with professional-quality output.

The Results

A breakthrough platform that automates video content creation for pet creators with AI-powered intelligence.

User Experience

  • AI-powered video analysis with pet personality understanding
  • Natural-sounding voiceovers with dual TTS system
  • Context-aware music generation matching video vibe
  • Professional video export with Instagram/TikTok optimization

Technical Excellence

  • All processing happens in the browser—no server required
  • Canvas-based rendering at 60fps for smooth video export
  • Web Audio API for advanced audio mixing and playback
  • Professional subtitle rendering with safe zone calculations
Let's Work Together

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