PDF Expert 3.13.4 Mac

Version 3.11.1 brings no new feature announcements from the developer, keeping the application's toolset stable for document work on current Mac hardware.

Apple Silicon — native support for M-series chips.
Intel — runs on Intel-based Macs.
macOS 12 — the minimum system version required.
Handoff — move a document between a Mac, iPhone, or iPad and pick up where you left off.
Annotations — highlight text, add notes, and draw directly on a page.
Signatures — sign a form and store the signature for later use.
Links — attach clickable web addresses to any area of a PDF.
Table of contents — build a navigable outline from the document's structure.
Password protection — lock a file so only someone with the password can open it.
Languages — the interface ships in Russian, English, German, Spanish, Italian, Simplified Chinese, Portuguese, Ukrainian, French, and Japanese.

A contract opens before your coffee finishes brewing

Launching PDF Expert on an M1 MacBook Air takes about two seconds, with a cold start barely slower than bringing the app back from the background. Opening a 60-page contract with embedded images and form fields is near-instant; the page thumbnails in the sidebar populate before the scrollbar settles. Scrolling through that same document at full speed produces no stutter, no grey placeholder boxes, and no noticeable fan activity — the app stays quiet even during long markup sessions.

Memory use sits around 180 MB with a single document open, climbing to roughly 350 MB when three heavier files are loaded. That is modest next to a web browser but slightly above Preview's footprint for the same documents. The difference shows in features: PDF Expert keeps annotation states, undo history, and linked file references in memory so switching between tabs feels immediate.

Stability over a working week is uneventful in the best sense. The app has not crashed during editing, merging, or exporting across dozens of sessions. One edge case worth noting: opening a damaged PDF downloaded from an old government portal caused a five-second freeze before the error dialog appeared, but the app recovered without forcing a quit. Autosave triggers constantly — every change is written to disk within a second or two — so an unexpected macOS restart or battery drain is unlikely to cost you work.

Battery impact on Apple Silicon is low. An hour of continuous annotation and form-filling on a MacBook Pro 14-inch (M1 Pro) used 6% charge, roughly in line with Safari under similar screen brightness. The app's energy impact reading in Activity Monitor hovers in the "Low" range when idle, which matters for anyone who works away from a desk.

XFA forms remain the one format that trips it up

Will it open my Adobe Acrobat forms correctly? Yes, with the usual caveat that XFA-based dynamic forms remain a thorn for every non-Adobe PDF application. Standard AcroForms — the kind found in tax documents, insurance paperwork, and rental agreements — render and fill without issues. Radio buttons, checkboxes, and dropdown menus work as expected. JavaScript-driven form logic, such as auto-calculating totals, may not execute, but the values you enter are saved and visible when the file is opened elsewhere.

Does it replace Preview entirely? Not exactly. Preview is still faster for a quick look at an image or a single-page PDF you need to rotate and close. PDF Expert is where you go when that same document needs text edits, a signature block, a custom table of contents, or conversion from a Pages file. Many users keep both in the Dock and route work accordingly.

What happens to my files if I uninstall it? Nothing. PDF Expert saves changes directly to the original PDF or to a copy, depending on your preference. There is no proprietary library format that locks documents inside the app. Uninstall it, and every annotated file stays right where you left it, readable by any PDF viewer.

Can it handle scanned documents? It can display and annotate them, but it does not perform optical character recognition on its own. A scanned page remains an image inside the PDF container. For searchable text from a scanner, you will need a separate OCR tool first; once the text layer exists, PDF Expert can edit and annotate it like any other document.

Is Handoff reliable in practice? Mostly. Moving a document from a Mac to an iPad succeeds within a couple of seconds as long as both devices share the same iCloud account and Bluetooth is enabled. The occasional hiccup — a document showing the Handoff icon but not opening on the target device — clears up by toggling Bluetooth off and on. Once the session transfers, the scroll position and last annotation are preserved.

Drag a PDF straight from Mail and start typing

Morning. A contract lands in the inbox — a 14-page PDF with signature fields and two pages of editable dates and names. The file is dragged straight from Mail onto the PDF Expert icon in the Dock.

The document opens in the main window with thumbnails running down the left side. The first task is filling in the client's name and the agreement date. Tapping into the first form field highlights it in pale blue; typing replaces the placeholder text instantly. The Tab key jumps to the next field, a dropdown for selecting a state, which opens with a click and accepts the choice. No lag, no redrawing.

Page 3 needs a small text correction — a misspelled company name in the body of the contract. Selecting the "Edit" tab at the top switches the view to text-editing mode. Clicking on the paragraph reveals light-grey bounding boxes around each text block. The cursor lands inside the block, and typing "Henderson" over "Hendersen" adjusts the surrounding line spacing automatically. The font matches; the correction looks original.

Page 7 has an outdated logo image. Right-clicking the old logo offers "Replace Image," and a Finder dialog opens. Choosing the new PNG file drops it in at the same dimensions. A quick drag on a corner handle resizes it to fit the surrounding text without running into the margins.

Two pages later, a web link needs adding. With the "Link" tool selected, a crosshair cursor draws a rectangle over the company's address. A dialog asks for the destination URL, and pasting it in turns that area into a clickable zone. A test click opens the page in the default browser, confirming the link is live.

The signature page comes last. The "Sign" button opens a pane where a stored signature — captured months ago with the trackpad — is waiting. Dragging it onto the line places it cleanly. A second signature field for the date is filled by typing directly, and the document is ready.

Before sending it back, the "Protect" option sets a password. The dialog asks for the password twice and warns that losing it means losing access; it does not linger on the warning. The file is saved and attached to a reply in Mail. Total time from download to sent reply: just under six minutes.

You aren’t forced into a subscription just to edit text

PDF Expert versus Adobe Acrobat Reader. Reader is free and ubiquitous, but its editing tools are locked behind a subscription. PDF Expert offers text editing, image replacement, and link creation without additional charges. Reader holds the edge in accessibility features and enterprise deployment, where IT departments rely on Adobe's management tools. For an individual user editing a contract or merging reports, PDF Expert feels lighter and less cluttered, without the upsell panels that appear in Reader.

PDF Expert versus Apple Preview. Preview is the default for a reason — it launches instantly and handles basic annotations, signatures, and form filling. It cannot edit existing text in a PDF, replace images, add hyperlinks, or build a table of contents. Preview also lacks a dedicated merge tool, though dragging thumbnails between documents works for simple cases. PDF Expert picks up where those limits are felt: the first time you need to fix a typo in a PDF rather than recreate it from the source file, the difference becomes clear.

PDF Expert versus PDFpen (now Nitro PDF Pro). Nitro PDF Pro offers OCR, which PDF Expert omits, and its editing tools are equally capable. The two apps overlap heavily in annotation, signing, and form work. Nitro's interface leans toward traditional toolbar-heavy design, while PDF Expert uses a cleaner tab-based layout. Performance on large documents is comparable, though Nitro's OCR processing can slow down opening scanned files. Users who need built-in text recognition will lean toward Nitro; those who already have OCR elsewhere and value a quieter interface may prefer PDF Expert.

Right-click a Pages file in Finder and convert it on the spot

PDF Expert slots into a workflow without demanding to be the center of it. Drag a PDF from Finder, and it opens. Right-click any image, Word document, Pages file, or Google Docs export in Finder, and the "Convert to PDF" option appears in the context menu — no need to launch the source application. The resulting PDF lands next to the original file, named identically with the extension changed.

Spotlight indexes documents edited in PDF Expert instantly. Searching for a client's name typed into a form field this morning brings up the file in results without delay. Quick Look, however, shows the document without PDF Expert's annotation layer in some cases, because macOS caches previews separately. Opening the file confirms all changes are intact.

Handoff bridges the Mac and an iPad or iPhone running the same app. Start marking up a report on a Mac at a desk, pick up the iPad for a meeting, and continue on the same page. The transfer requires no manual saving or cloud upload; iCloud handles the sync behind the scenes. The feature works best on a stable Wi-Fi connection and becomes unreliable only when Bluetooth drops on one device.

For users who manage large document libraries, PDF Expert works with the Finder tagging system. Tags applied to a contract in Finder appear in the app's open dialog and can filter the recent documents list. The app does not maintain its own separate library database, which means nothing drifts out of sync between what the filesystem sees and what the app displays.

Integration with Mail is straightforward. Annotate a PDF, then choose "Share > Mail" to attach it to a new message directly. Alternatively, save the file and drag it into an existing draft. Either method preserves all edits, signatures, and password protection set during the session. No export step is needed beyond a standard save.

Shortcuts support arrives through macOS's built-in automation framework. A Shortcut that watches a folder for new PDFs, opens them in PDF Expert, and prompts for a signature is possible without scripting. The app registers itself as a handler for PDF files, so actions like "Open File" and "Edit PDF" route naturally to it when configured.

• macOS 12 or later
• Apple Silicon or Intel 64-bit processor