Tired of highlighting extensions that force you to create an account, track your reading habits, or lock basic features behind a paywall? Meet TextMark. TextMark is a next-generation web highlighter built on a different philosophy: Zero Friction and Absolute Privacy (Local-First). Simply install it, select text on any webpage, and start highlighting at the speed of thought. No sign-ups, no cloud, no lag. 🚀 Why is TextMark different? Unlike other highlighters, TextMark isn't a heavy cloud-based application. It's a high-performance tool engineered for professionals and students who value their digital autonomy. 100% Private: Your highlights never leave your computer. Everything is stored safely in your browser's local storage. Zero Sign-ups: We will never ask for your email. No subscriptions. It works instantly right out of the box. Ultra-Lightweight: Engineered for speed. We don't slow down your browsing experience. Premium Design: Features a modern "Dark Glassmorphism" aesthetic. Your command center lives cleanly in the browser's native side panel, keeping your reading space clutter-free. Tired of extensions that lose your data, force you to sign up, or store your reading habits in the cloud? Meet TextMark v2.3.5: The New Standard in Data Sovereignty. In this latest update, we’ve introduced professional-grade protections to safeguard your research: 🛡️ Automatic Safety Net: TextMark now triggers an automatic backup before any uninstallation or bulk data import. Even if you remove the extension by accident, your data is safe. 🔐 Data Integrity Protection: Built-in HMAC-SHA256 verification ensures your local database stays healthy and protected against accidental corruption or external tampering. Your knowledge is yours alone. 🚀 Why TextMark v2.3.5 stands out? - Smart Ghost Toolbar: Forget intrusive bars. Enjoy a minimalist icon that only expands when you choose to interact, respecting your reading space. - UX Resilience (Context Guardian): TextMark reconnects automatically after an update. Keep working without interruptions or the need to reload your tabs. - Absolute Privacy: Zero servers, zero trackers. Your highlights never leave your computer. ✨ Core Features: - Select & Highlight: A beautiful, contextual floating toolbar appears exactly when you need it, featuring high-contrast icons for perfect visibility. - Color Coding: Organize your research using 5 vibrant highlight colors. - Smart Side Panel: Open your command center (Alt+Shift+H) to view, search, and filter all your highlights globally. - Story Mode (Logical Thread): Transform your collection into a narrative. Manually reorder highlights to build research outlines regardless of the source page. - Tags & Notes: Add deep context to your highlights with custom tags and detailed Markdown-compatible notes. - Universal Export: Download your data in JSON for backups or Markdown for your favorite tools like Obsidian or Notion. 🛡️ Our Privacy Promise: TextMark is a pure tool for professionals, researchers, and students who demand the highest standards in privacy and technical reliability. No accounts, no cloud, no friction. Perfect for researchers, students, developers, and anyone who wants to organize the web privately and without distractions.

Profang

Published Firefox add-ons:

Silent Highlight — Web & PDF Highlighter

TextMark