About this extension

Stay organized online with Web Highlights — a powerful Firefox extension to highlight text on websites, annotate PDFs, take notes, and manage bookmarks. Whether you're a student, blogger, developer, researcher, or lifelong learner, Web Highlights helps you stay productive, save, organize, and revisit what matters — all in one place.

Use it as your personal text highlighter for Firefox with smart note-taking, PDF annotation, tagging, and full-text search. Choose offline use or sync everything to the cloud via the web app.

⭐ TOP FEATURES ⭐

🟢 Highlight websites and PDFs (including local files)
🎨 Multiple highlighter colors
✍️ Take notes and connect them with your highlights
🔖 Save pages as bookmarks or use as a read-it-later web clipper tool
🏷️ Tag your highlights & bookmarks for easy filtering
🔄 Sync across devices and access highlights anywhere *
💻 Web app & sidebar with an overview of all your highlights, bookmarks, and notes
🔍 Powerful full-text search to find anything instantly
📷 Highlight images and visual elements *
𝐓 Highlight in various formats (headings, paragraphs, etc.) *
🧠 Daily recap of your highlights for better retention
⚡ Use keyboard shortcuts for ultimate productivity
📄 Export to Notion, Obsidian, Capacities, and other popular note-taking tools
📑 Copy to HTML and Markdown
📁 Export to PDF and HTML files *
📱 Bookmark on mobile with our web app *
⏰ Set email reminders for specific pages *
📚 Import Kindle highlights easily
💾 Backup and download your research *
🔗 Share your highlights *
👥 Discover content from others

(*) Premium/Ultimate features available during a 7-day free trial: See pricing: https://web-highlights.com/pricing

💡 WHY WEB HIGHLIGHTS?

✅ It just works – Highlight text in multiple colors on any website or PDF with a simple click
✅ Persistent highlights - Your highlights stay visible even after reloading the page.
✅ Works offline – No account required for basic use
✅ Sync across devices - Create an account to access your highlights anywhere from the web app.
✅ Integrate with Notion, Capacities, Obsidian, and other note-taking tools
✅ Export your research — PDF, HTML, Markdown, or clipboard.
✅ Perfect for online deep work & and efficient research management.
✅ Help children learn - We proudly support the Save the Children charity and other great causes.

🔥 HOW IT WORKS 🔥

You can use Web Highlights completely free without an account. Highlight, bookmark, and take notes offline anytime.

Create a free account to enable cloud sync and unlock all features with a 7-day trial. Afterward, continue using the free offline version with basic features or upgrade for seamless access across all devices. Check out the current pricing here: https://web-highlights.com/pricing.

💡 PRO TIPS & GOOD TO KNOW 💡

➡️ Enable/disable the highlighter popup via the settings and highlight using keyboard shortcuts or by right-clicking text.
➡️ Customize keyboard shortcuts in your Firefox settings: https://support.mozilla.org/en-US/kb/manage-extension-shortcuts-firefox
➡️ Some websites may have limited compatibility.
➡️ Local PDF support requires access to file URLs (see PDF setup guide: https://web-highlights.com/blog/how-to-highlight-pdfs-using-web-highlights).
➡️ Right-click images to save them to your sidebar of highlights & notes.
➡️ Use as a web clipper – Click the bookmark icon or right-click any website to save pages and add tags like "ReadingList" for easy reference later.
➡️ Disable extension on specific websites: Click the power icon in the sidebar to disable the highlighter on a site. You can also configure a blacklisted domain list with patterns in the settings under "Excluded" domains.
➡️ Sort highlights manually: Highlights should appear in the same order as on the page. If not, use the drag & drop or arrows in your annotation sidebar to rearrange them as needed.
➡️ Customizable Sidebar: Change the sidebar width by dragging its edge, and align it on the left or right side of the page for a personalized experience.
➡️ Switch to Advanced Highlighter Mode in settings to organize highlights with headings, paragraphs, and more in the sidebar.
➡️ Multiple Colors: Choose from predefined standard and pastel shades or click the plus icon to add your own custom color.
➡️ Note Taking: Use standard keyboard shortcuts like CMD + B for bold, CMD + U for underline, etc., in the note-taking editor for efficient formatting.
➡️ Focus highlights on website: Click on a highlight in the sidebar, and the page will scroll directly to the highlighted section for quick access.
➡️ Color Mode: Switch between dark and light mode by clicking the sun/moon icon in the sidebar.
➡️ Your data is always private unless you choose to share it.
➡️ You may be exposed to affiliate links on sites you visit while using this extension, and you may be encouraged to click on them, but you are never required to do so.

🔐 YOUR PRIVACY MATTERS
We believe your data belongs to you.

✔️ Your highlights, notes, and bookmarks are private by default
✔️ Nothing is ever sold or used to profile you
✔️ Secure sync and export, only accessible with your account

We never use your data for advertising, lending, or unrelated purposes.

📜 TERMS OF SERVICE 📜

By installing the extension or signing up with an account, you agree to Web Highlights Terms of Service and Privacy Policy which you can find here: https://web-highlights.com/legal/terms-of-service

❤️ This is a one-person project I’m building with love and late nights. I hope you enjoy using this tool as much as I do.

Feel free to share your feedback with me:

· Email: marius@web-highlights.com
· LinkedIn: https://linkedin.com/in/marius-bongarts-6b3638171
· Twitter/X: https://x.com/MariusBongarts

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