Highlighter
Highlighter is an open-source browser extension that enables users to highlight text on any website using multiple colors. Highlights are stored locally, ensuring privacy and offline access. It is ideal for users who want to annotate web content without cloud dependencies.
Overview
5 featuresHighlighter is a Browser DevTools & extensions project. It focuses on highlighting and managing important text on any website without relying on cloud storage. Highlighter is an open-source project aimed at web users who want to annotate and highlight online content. The project is open source (MIT). It runs on the web and embeddable surfaces.
Behind Highlighter is alvarocavalcanti, based in Spain, and it first shipped in 2025. The project is developed in the open on GitHub with 8 commits in the last 90 days. Among its 5 catalogued features are text highlighting, multiple colors, and local storage.
Summary written by a language model from the project’s public pages.
- Text highlighting
- Multiple colors
- Local storage
- Highlight management
- Context menu integration
Built with & integrations
- Vercel
- x-vercel-id header · x-vercel-cache header
Trust & compliance
Indexing history
1What PulseGate has recorded for this listing
Frequently asked questions about Highlighter
- What is Highlighter?
- Highlighter focuses on highlighting and managing important text on any website without relying on cloud storage. It is catalogued under Browser DevTools & extensions on PulseGate.
- Who is Highlighter for?
- Highlighter is an open-source project built for web users who want to annotate and highlight online content.
- Is Highlighter free?
- Yes — Highlighter is open source under the MIT license and free to use.
- What platforms does Highlighter run on?
- Highlighter runs on the web and embeddable surfaces.
- Is Highlighter still active?
- The GitHub repository shows 8 commits in the last 90 days.
- What projects are similar to Highlighter?
- Similar projects tracked by PulseGate include ZenHighlight, Highlighter for Safari, and Web Highlights.ZenHighlightHighlighter for SafariWeb Highlights
- Who makes Highlighter?
- Highlighter is developed by alvarocavalcanti, based in Spain.
- How long has Highlighter been around?
- Highlighter first shipped in 2025.
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