Whether you're studying a 600-page manual, comparing two contracts side-by-side or simply skimming an article, Popup PDF keeps you in the flow. Thanks to the navigation buttons and the pop-over when hovering internal links, it is particularly useful for reading scientific papers: it allows you to quickly take a look at reference definitions or equations without losing your place.

Highlights

• Multi-tab workspace – Drag a tab to reorder, merge or detach it into a new window – Open unlimited PDFs without cluttering the Dock
• Hover-to-preview internal links – Pause over a cross-reference to see the target page in a roomy pop-over – Open that preview in a new tab or window with a single click
• Lightning-fast search – Instant results with live highlighting – Jump to the next/previous hit with ⌘G / ⇧⌘G – Dismiss or recall the search bar just like Safari (⌘F / Esc)
• Page thumbnail strip – Scroll or click to navigate, with smart pre-loading for zero lag – Current page is clearly marked so you never lose your place
• Navigation history with Undo/Redo – Every jump is remembered – Step back with ⌘Z, forward with ⇧⌘Z
• Automatic & manual zoom – One-click "Resize to Fit" (⌘R) – Saved zoom level, scroll position and display mode per document
• Seamless macOS integration – Quick Look, "Reveal in Finder" and "Open in Preview" from the context menu – Native PDF render engine for crisp rendering – "Open recent" button to quickly find your PDFs

Made for focus The interface stays out of your way: no ads, no login, no telemetry. All processing happens locally so your documents never leave your Mac.

Keyboard shortcuts you already know ⌘F Search • ⌘G Next result • ⇧⌘G Previous result ⌘↑ First page • ⌘↓ Last page • ⌘+ / ⌘– Zoom • ⌘Z Undo • ⇧⌘Z Redo

Download Popup PDF today and rediscover how smooth reading PDFs on a Mac can be!