Mac Apps
Desktop tools for fast preparation, batch tasks, and polished publishing flows.
Local-first apps for macOS and mobile
Useful apps that stay clear, fast, and privacy-aware.
DigiNova Labs builds practical software for publishing workflows and contact cleanup. We focus on simple interfaces, reliable results, and processing that stays as close to the device as possible.
Featured macOS app
App Resolution Converter
App Resolution Converter helps you prepare screenshots for store-ready target sizes on macOS with a smooth, easy workflow.
- Supports presets for iPhone, iPad, macOS, Android, Apple Watch, Apple TV, and Apple Vision Pro.
- Lets you add images one by one or in batches and automatically suggests the closest target size.
- Allows manual target selection plus custom resolutions when your workflow needs something extra.
- Exports prepared images into a clean output folder for quick review and delivery.
Everything runs directly on your Mac. Screenshots and folders are never uploaded to any server.
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macOS
100% Local
Batch Export
Store Presets
What we build
Clean digital tools for desktop and mobile workflows.
iPhone Apps
Focused mobile experiences that stay practical, lightweight, and easy to trust.
Android Apps
Stable Android utilities designed for broad compatibility and everyday use.
Mobile utility app
ContactMerge PRO
ContactMerge PRO helps organize contact files on mobile and keeps merge workflows straightforward, practical, and easy to review.
- Works with VCF, CSV, and TSV contact files in one workflow.
- Highlights duplicates, missing fields, and records that need a cleaner final merge.
- Designed around local handling for contact content during core merge operations.
- The mobile app is ad-supported, allowing a broader audience to use the tool.
The privacy page explains the local-first contact workflow and the ad-supported mobile experience.
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