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About Black Highlighter
Black Highlighter makes it easy to hide text you don’t want to share in images you’re going to share anyway.
Using machine learning, Black Highlighter locates text in images and makes it simple to redact text quickly and evenly every single time.
Indie developer Geoff Pado, under the name Cocoatype.
May 31st, 2017 on iOS and iPadOS. February 8th, 2021 on macOS.
iOS and iPadOS 13.0, and macOS 11.0.
Free to download, $2.99 in-app purchase to unlock advanced features.
The Magic Highlighter snaps to and completely covers any text it sees. This makes redactions look neater, while making it harder to guess what lies underneath due to oddly-shaped letters.
Redaction colors let you differentiate between different types of hidden text, such as the names of different speakers in a chat thread.
Cross-platform support for macOS and iOS lets you use Black Highlighter wherever is most appropriate.
Some advanced features of Black Highlighter require a one-time $2.99 in-app purchase.
Automatic redaction lets you specify words and phrases to automatically redact every time you open an image. Black Highlighter will scan your text for these words and automatically hide them, making repeated redactions a breeze.
Black Highlighter integrates with Automator on macOS and Shortcuts on iOS to allow you to build advanced redaction workflows. Pass in an image and a set of words to redact, and Black Highlighter supplies you with a redacted image.
Redact paper documents with the document scanner. It uses the same document scanning technology used in Apple Notes to automatically crop, scale, and adjust documents, preparing them for redaction in Black Highlighter.