Does TinyPNG upload my images?

TinyPNG’s service works by sending images to their servers for optimization. Dinky does not upload your files for compression: processing happens locally on your Mac.

Can Dinky batch more than images?

Dinky batches still images, video exports, and PDFs in one native app, with watch folders and Finder Quick Actions. TinyPNG is focused on PNG and JPEG style workflows through their web and API products.

When is a web tool like TinyPNG the right fit?

A browser or API workflow can be ideal when you explicitly want cloud processing, team policies allow uploads, or you are already integrated with TinyPNG’s ecosystem. For offline-first or strict on-device requirements, a Mac app like Dinky is a better match.

Dinky vs TinyPNG

TinyPNG runs in the cloud. Dinky shrinks on disk when nothing should leave your Mac.

Choose TinyPNG if uploads fit your policy

When a web drop zone or hosted API matches how your team ships assets and compliance allows that path, TinyPNG can be a great fit for PNG/JPEG-focused workflows.

Choose Dinky if compression stays on the Mac

When you want batch native compression, WebP/AVIF conversion, MP4 export, and PDF shrink in one app with no upload-for-compression step.

	Dinky	TinyPNG
Where compression runs	On your Mac (offline-capable)	Cloud (browser / API; see TinyPNG terms)
Still images	WebP, AVIF, HEIC, lossless PNG, and more	PNG & JPEG optimization (product focus)
Video	Yes (MP4 export)	Not Dinky’s scope; check TinyPNG product lineup
PDF	Yes	Not the core TinyPNG web workflow
Price	Free (MIT)	Free tier / paid plans (see TinyPNG)
Batch on macOS	Native app: batch, watch folders, Quick Actions	Web drag-and-drop or integrations

Dinky drop zone window compressing files

Skip the upload hop

PNG and JPEG—and everything else

Run stills, MP4 exports, and PDF compression locally with batching and Finder integrations instead of routing files through a browser.

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33 MB · v2.7.12 · Requires macOS 15 Sequoia

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All-in-one

PNG and JPEG—and everything else