Eclipse PDF – Dark Mode Reader & Notes

A custom PDF viewer that forces clean, consistent Dark Mode on all PDFs.

Eclipse PDF – Dark Mode Reader & Notes is a powerful PDF viewer for Chrome that transforms how you read, study, and annotate PDFs directly in your browser. Tired of bright white PDFs hurting your eyes? Eclipse PDF replaces Chrome’s default PDF viewer with a clean, customizable experience featuring Dark Mode, Sepia, and multiple eye-friendly themes — plus built-in tools to highlight, draw, and take notes on PDFs. 🔥 KEY FEATURES ✔ Dark Mode PDF Reader (True Night Mode) ✔ Multiple Reading Modes – Dark, Soft Dark, Sepia, Forest, Warm Gray ✔ PDF Highlighter – Highlight text instantly ✔ Add Notes to PDFs – Attach notes to highlights ✔ Draw on PDFs – Freehand drawing with color and thickness control ✔ Add Text to PDF Pages ✔ Auto-Save Annotations ✔ Fast, Lightweight PDF Viewer ✔ Works on Any PDF in Chrome ✔ No Ads. No Tracking. Fully Local 🧠 WHY ECLIPSE PDF? Most dark mode extensions fail on PDFs because Chrome blocks styling on its default viewer. Eclipse PDF solves this by using a custom PDF.js-powered viewer, giving you full control over how PDFs look and behave — with smooth performance and consistent rendering across all websites. Whether you're studying, reading research papers, reviewing documents, or working with PDFs daily, Eclipse PDF makes the experience faster, easier, and more comfortable. 🎨 READING MODES Choose the perfect mode for your eyes: Dark Mode (night reading) Soft Dark (reduced contrast) Sepia Mode (paper-like reading) Forest Mode (low strain green tone) Warm Gray (balanced neutral tone) Normal Mode Designed for: Night reading Long study sessions Reduced eye strain Better focus ✏️ PDF ANNOTATION TOOLS Highlight Text Select and highlight important text instantly. Notes Attach notes to highlights for better understanding and quick review. Drawing Tool Draw freely on PDFs to mark, underline, or sketch ideas. Add Text Type directly on PDFs for comments, labels, or edits. 💾 AUTO-SAVE All highlights, notes, drawings, and text: Save automatically Reload when reopening the same PDF No manual save needed 🔒 PRIVACY ✔ No data collection ✔ No tracking ✔ No analytics ✔ No external servers Everything runs locally in your browser. ⚡ PERFORMANCE Fast loading Smooth scrolling Clean UI Lightweight design 🎯 PERFECT FOR Students Developers Researchers Professionals Anyone who reads PDFs regularly