Best Highlighter Apps

Black Highlighter: Redact Text

Censor & secure screenshots

Free

Easily hide sensitive information in photos and screenshots. The Magic Highlighter automatically detects text and covers it perfectly, ensuring no details are missed. Advanced features allow for automatic redaction of specific information and custom shortcuts for streamlined workflows.

Excerpt - The Book Highlighter

Scan books and compile notes

Free

Capture and organize quotes and images from physical books using your device's camera. Add notes, customize highlighter colors, and share your findings. Export your compiled excerpts into a PDF for easy reference.

Highlights: PDF Reader & Notes

Edit Research Documents/Books

Free

This app is a fast and lightweight PDF reader designed for research. It allows users to read, highlight, and annotate documents, and then extract this information into organized notes. Advanced features include table data extraction, text recognition, and smart copying of annotations into various formats.

PDF Highlighter - Read & Edit

by Jaydeep Dhameliya

Free

Easily edit and highlight text, photos, and documents directly on your phone. This app provides realistic highlighting tools and drawing functions to mark important sections of PDFs and images, allowing you to save and share your annotated files.

The Magic Highlighter

Your search engine assistant.

$1.99

This Safari extension automatically highlights your search terms on search result pages across popular engines. It offers a private, on-device solution to quickly find the information you need, replacing traditional find-in-page functions with enhanced capabilities.

Auto Highlight for Safari

Add highlight to web page

$2.99

This Safari extension allows you to highlight text on any web page. You can customize the highlight color, size, and position, and save the highlighted page as an image.

Highlighter Pen Line Strokes

Skip CAPS Lock, Draw Emotion!

$2.99

Add emphasis to your messages with bold, transparent stickers. Highlight important parts of conversations with animated strokes in various sizes. Perfect for drawing attention to memes, typos, or anything that matters.

Goodnotes: AI Notes, Docs, PDF

Note taking, Planner & Journal

Free

Capture ideas, enhance productivity, and unlock insights with advanced AI features. This app offers tools for professionals, students, and creatives, including infinite whiteboards, AI-powered transcription and summarization, and customizable digital notebooks.

Highlighter - Focus on detail

Highlight content on browser

$0.99

This tool allows you to highlight text and important excerpts directly on web pages within the Safari browser. It remembers your annotations, making it easier to revisit and learn from content effectively and selectively.

PDF Highlighter

Automatic highlight annotation

$1.99

Effortlessly highlight key information in PDF documents with custom colors and multiple search terms. This tool automates the highlighting process, saving time for professionals and students alike. Export or print your annotated PDFs with ease.

xoFocus AI Highlighter

Focus on what matters.

$1.99

This AI-powered tool instantly identifies key sentences on web pages, helping you grasp core ideas quickly and read more intentionally. It's designed for readers, students, and researchers seeking enhanced focus without distractions.

Message Highlighter Stickers!

Name & Message Highlighter

$1.99

Enhance your iMessage conversations by adding colorful highlights to important messages. Easily peel, place, scale, and rotate stickers directly on message bubbles or photos for a more dynamic chat experience.

Video Highlighter

Highlight selected area

$3.99

Draw attention to specific areas or subjects within your videos. Customize borders with adjustable colors, thickness, and opacity. Apply highlights to chosen durations or the entire video.