Is PDF Squeezer similar to Dinky?

Both are native macOS utilities aimed at smaller PDFs with batch support. PDF Squeezer is a commercial product focused on PDFs. Dinky is free, MIT-licensed, and also compresses still images and MP4 video in the same interface.

Which app is open source?

Dinky’s source is on GitHub under the MIT license. PDF Squeezer is proprietary; see the publisher’s site for features and pricing.

Does Dinky support OCR on scans?

Dinky can run optional Vision OCR on scan-like PDFs before flatten or preserve compression, when that fits your document.

Dinky vs PDF Squeezer

PDF Squeezer batch-compresses PDFs natively on the Mac. Dinky covers similar shrink for free, open source, and folds in images and video in one dock icon.

Choose PDF Squeezer if PDF-only fits your stack

When you want a polished single-purpose PDF product from Witt Software and do not need image or video in the same tool.

Choose Dinky for PDFs plus media in one MIT app

When the same inbox mixes PDFs, PNG/JPEG/WebP, and MP4—and you prefer inspectable code and zero purchase.

	Dinky	PDF Squeezer
Scope	PDF + images + MP4	PDF-focused
License	MIT (open source)	Commercial (see publisher)
PDF approaches	Flatten, preserve (qpdf), target size, optional OCR	Compression features per product version
Batch / watch	Yes	Batch-oriented (verify current features)
Install class	~33 MB	Compact Mac app (verify current release)
Processing	Local on your Mac	Local on your Mac

Dinky before and after preview comparing original and compressed output

One app, three media types

PDF tooling plus mixed media

Deep PDF queues without stopping at a single-purpose compressor—add WebP exports and MP4 presets from the same dock icon when projects spill over.

Download for macOS Learn more

33 MB · v2.7.12 · Requires macOS 15 Sequoia

More comparisons

Images

Video

PDF

All-in-one

PDF tooling plus mixed media