Case study

Cam Converter

Custom camera with 21+ filters and format conversion.

Overview

Cam Converter is a dual-purpose photography app combining a feature-rich custom camera with powerful image format conversion capabilities. The app serves photographers and content creators who need professional camera controls and flexible format export options in a single, beautifully designed interface.

Project Details

Role: iOS Developer

Timeline: Jul 2021 - Aug 2021 (1 month)

Platform: iOS

Image Processing & Utilities
Cam Converter — Case study showcase

Illustrative concept artwork

Key Technical Challenges

Core engineering challenges tackled during application development:

  • Real-time filter processing maintaining 60fps camera preview
  • Format conversion preserving image quality across different formats
  • Batch processing without blocking UI thread
  • Memory management for large image files during conversion
  • EXIF metadata preservation during format changes

Features & Technical Capabilities

Engineered capabilities and platform functionality:

System Capabilities

  • Built custom camera using AVFoundation with beautiful UI
  • Implemented 21 real-time filters with live preview
  • Added sharpness adjustment, pinch-to-zoom, and tap-to-focus
  • Built gridlines for composition and timer modes for selfies
  • Implemented flash controls (auto, on, off, torch)
  • Created image converter supporting JPG, PNG, HEIF, BMP, TIFF, GIF
  • Built batch conversion with progress tracking
  • Implemented quality/compression adjustment per format
  • Used Core Image for high-quality filter rendering
  • Implemented background processing for batch operations

Technology Stack

Core Technologies & Libraries

  • Swift
  • UIKit
  • AVFoundation

Technical Contribution

This prior-role entry documents implementation responsibilities and product capabilities. Business-volume and performance outcomes are not presented because independent measurement evidence is unavailable.