OnePatch
imgZilla
TinyPNG
BulkPicTools
Caesium Image Compressor
CCleaner
ImageOptim
Squoosh
TinyJPG
OnePatch is multi-purpose software solution for e-commerce retailers who sell on multiple online selling platforms. With OnePatch, sellers have the solution to organise their product stock, manage their online orders, shipping and accounts all from one simple and effective system, saving valuable time and expanding business growth.
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imgZilla's answer:
Batch-compresses images and entire folders in place, fully offline, with visually lossless quality and a dead-simple, one-drag workflow.
imgZilla's answer:
Most compressors upload your images or spit out renamed copies you have to sort through โ ImgZilla does neither: it runs fully offline and compresses in place, keeping the same filename, path, and format. It also handles entire folders recursively with no quality dial to fuss over, and includes a built-in compare view so you can verify the visually lossless result yourself instead of taking it on faith.
imgZilla's answer:
Web developers, designers, photographers with large photo libraries, and privacy-conscious Mac users who'd rather not upload images to a web tool.
imgZilla's answer:
Four years ago I built a simple web-based image compressor and shared it online. People used it, but the recurring pushback was: was it really processing locally, or uploading photos to a server โ and could it just be a native app instead? I didn't have a good answer at the time, so I said I'd figure out the technical issues later. It took a few years, but ImgZilla is that answer โ a native macOS app that runs fully offline and compresses in place, built to finally close the gap that old thread left open.
imgZilla's answer:
ImgZilla's core tech stack:
PNG โ oxipng (truly lossless) SVG โ svgcleaner (truly lossless) JPEG โ libjpeg-turbo (visually lossless re-encoding) WebP โ libwebp (visually lossless re-encoding) AVIF โ libavif + libaom (visually lossless re-encoding) HEIC โ Apple's native ImageIO framework (visually lossless re-encoding) GIF โ gifsicle (visually lossless re-encoding)
It also runs inside Apple's App Sandbox, which restricts it to only reading and writing files the user explicitly selects or drags in โ the same constraint that makes fully offline processing possible in the first place.
imgZilla's answer: