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JumpScare Generator

A web application that lets users create custom jump scare videos with startling effects and sounds.

JumpScare Generator

What is JumpScare Generator?

JumpScare Generator is a web app that lets anyone create perfectly timed jump-scare videos by combining their own clips with curated faces, effects, and sounds - no pro editing tools required.

The Challenge

Creating effective jump scares requires precise timing, audio-visual synchronization, and technical knowledge of video editing. Most people don't have access to professional video editing software or the skills to create these effects, despite their popularity in social media pranks and content creation.

The Solution

The JumpScare Generator is a user-friendly web application that automates the creation of customized jump scare videos. Users can upload their own content, select from a library of scare effects and sounds, and adjust timing parameters. The application handles all the complex video processing behind the scenes, delivering a ready-to-use scare video that can be downloaded or shared directly.

Core User Features

JumpScare Generator provides a seamless way to create custom jump scare videos.

  • Intuitive drag-and-drop interface for uploading videos and images
  • Library of pre-made scare effects, faces, and sounds
  • Customizable timing controls for perfect scare moments
  • Real-time preview of the final result
  • One-click download or direct sharing to social platforms

Technical Architecture

The JumpScare Generator combines modern web technologies with powerful backend processing:

  • React and Next.js for a responsive, interactive frontend experience
  • Python backend for processing video and audio manipulation
  • FFmpeg for high-quality video compositing and effects
  • Uploadthing for seamless file uploads and management
  • WebSockets for real-time processing status updates

AI-Powered Features

JumpScare Generator uses AI to create custom jump scare videos.

Auto Timing Assist

  • Optional beat/onset detection to align scare
  • Loudness normalization for consistent jumps
  • Smart defaults for casual users

Project Details

Technologies

React
Next.js
Python
FFmpeg
Uploadthing
WebSockets

Target Users

  • Content creators looking to add suspense to their videos
  • Social media users wanting to create viral prank content
  • Game developers needing quick scare assets