PortalPack – Batch image converter for web with offline processing

Summary: PortalPack is a desktop tool that batch-converts images into WebP, AVIF, JPG, or PNG formats using presets for hero, inline, and thumbnail sizes. It preserves folder structures and processes images locally without uploads.

What it does

It converts hundreds of images at once into multiple web-friendly formats with smart presets while maintaining original folder organization and running offline.

Who it's for

Designed for web portals and content creators needing efficient image preparation for web publishing.

Why it matters

It automates creating multiple web image variants, reducing manual work and improving workflow speed.