Short answer: PixPack reads JPEG, PNG, HEIC, WebP, GIF, BMP and TIFF files, and writes JPEG, PNG, HEIC, WebP and GIF.
Input formats (read)
| JPEG | Lossy photographic format. Most compatible output. |
|---|---|
| PNG | Lossless, supports transparency. |
| HEIC | Apple photo format. Compact storage. |
| WebP | Modern web format, lossy and lossless. |
| GIF | Palette-limited, supports animation. |
| BMP | Read only. Uncompressed bitmap. |
| TIFF | Read only. Common in print and scanning workflows. |
Output formats (write)
| JPEG | Maximum compatibility for photos and email. |
|---|---|
| PNG | Lossless output that keeps transparency. |
| HEIC | Compact output for Apple ecosystems. |
| WebP | Smallest files for modern web delivery. |
| GIF | Added in version 1.4.3. |
Metadata
| EXIF | Camera model, exposure settings, timestamps and other capture data. Can be kept or removed. |
|---|---|
| GPS | Geographic coordinates recorded with the photo. Can be stripped before sharing. |
| ICC profile | The colour profile used to interpret the image colours. Handled by PixPack according to the App Store description. |
Choosing a format
- For websites: WebP first, JPEG as a fallback, PNG or WebP when transparency is needed.
- For email: JPEG, because every mail client accepts it.
- For Apple devices: HEIC, which is the native photo format.
- For maximum compatibility: JPEG or PNG.
- For archival masters: keep the original file and export a compressed derivative.
Format questions
What formats can PixPack read?
PixPack reads JPEG, PNG, HEIC, WebP, GIF, BMP, TIFF.
What formats can PixPack export?
PixPack can export JPEG, PNG, HEIC, WebP, GIF.
Can PixPack convert BMP or TIFF to WebP?
Yes. BMP and TIFF are readable input formats, so they can be exported to any of the five output formats, including WebP.
What metadata can PixPack keep or remove?
PixPack handles EXIF, GPS, ICC profile data. You can keep EXIF and camera data, or strip GPS location before sharing.
Is HEIC suitable for website images?
No. Browser support for HEIC is limited. Use WebP, JPEG or PNG for web assets.
Sources
- PixPack on the Mac App Store Official App Store product page for PixPack – Image Compressor Pro, including the product description, feature list, supported formats, system requirements, version history and price.
- Apple iTunes Lookup API record for PixPack Structured App Store metadata record used to verify version number, minimum macOS version, price, file size, release dates, age rating and the number of listed localizations.
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