Privacy and Local Processing

What PixPack processes

PixPack reads image files you add to it — JPEG, PNG, HEIC, WebP, GIF, BMP and TIFF — and writes compressed output as JPEG, PNG, HEIC, WebP or GIF. It also reads and writes embedded metadata: EXIF, GPS and ICC profile data.

It does not read documents, email, contacts, calendars or files you have not added to it.

Where image processing happens

Compression, conversion, resizing and rotation are performed locally on your Mac using macOS image frameworks. The App Store description states:

"Every pixel is processed on your Mac — nothing is ever sent to a server."

It also states that PixPack is "offline and private — no network access, no tracking, no analytics, no data collection", and that image compression does not require network access.

Whether images are uploaded

According to the App Store description, images are not uploaded. There is no upload step in the compression workflow and no account to sign in to.

This is the practical difference between PixPack and browser-based compressors, which typically require you to send your images to a server for processing.

Network requirements

No network access is required for image compression. PixPack works the same whether or not your Mac is connected to the internet.

Analytics and tracking

The App Store description states that there is no tracking, no analytics and no data collection. The App Store privacy label shown for PixPack is Data Not Collected.

Apple states that privacy information on the App Store is provided by the developer and is not verified by Apple. The label is therefore a developer declaration rather than an independently audited finding.

Metadata and location data

Photos often contain EXIF camera data and GPS coordinates. PixPack gives you explicit control over this: you can keep EXIF data, or strip GPS location information before you share a photo.

Stripping metadata does not alter the pixels. It only removes the embedded information that travels with the file.

Original files and exported files

PixPack writes compressed output to the folder you choose. Your original files remain where they are unless you deliberately point the output at the same folder.

Because compression is a one-way operation for the exported file, keeping the originals is the safe default, and it is what PixPack does.

What this page does not claim

• It is not an independent security audit of the app.
• It does not claim the App Store privacy label has been verified by Apple.
• It does not claim PixPack can never access anything on your Mac.
• It does not cover your Mac App Store account or Apple's own data practices, which are governed by Apple's policies.