Also, PhotoMill is a great batch metadata editor, renamer and photo browser.

CONVERT

Conversion to: HEIC, BMP, GIF, JPEG, JPEG 2000, PDF, PNG, TIFF

Color models: RGB, Gray, CMYK

Color depth: 8/16/32 bits; with or without alpha channel

METADATA EDITOR

Correct EXIF/IPTC metadata tags in your photos: place GPS coordinates, remove private information from your photos, correct or set capture dates, add your own copyright, keywords or rating.

PHOTO BROWSER

The app has a bunch of features for comfortable browsing and multi-criteria search of photos in the Browser.

The Browser has 3 panels: Image Info - displays detailed information about a selected photo; Groups - splits photos into groups/subgroups based on a chosen criteria, for instance, by capture dates; Search - gives you an opportunity to search photos by different criteria.

RENAME

You can give meaningful names to converted photos constructing file names in the “pro” way - using text and tags: index, capture date, original name, image width, “find & replace” etc. Also, you can rename photos without any conversion.

RESIZE

Fit image size with a bunch of geometry actions: scale, crop, add border, trim, trim color, rotate & flip, auto rotate (by EXIF orientation), change resolution.

WATERMARK

• Text - you can use photo metadata information - tags: capture date, keywords, camera maker etc., as well as entered text. Font size can be either fixed or relative to an image width, height, long or short edge. Multiline text, stroke, shadow, rotation, tiling and other features.

• Image - image size can be either fixed or relative to main image size. Image tiling is also available.

• Rectangle - background for text; square or rounded. Fill and stroke color can be half-transparent.

Compatibility: macOS 10.12.2 or later

Mac App Store: https://geo.itunes.apple.com/app/id778590574