Once HugMyPDF tool page loads, the JavaScript libraries are in your browser memory. Disconnect from the internet and the local tools keep working. Here is exactly which tools work offline and how.
Over 30 HugMyPDF tools work offline once the page has loaded. Merge, compress, split, rotate, PDF to Word, sign, protect, and more. Disconnect after the page loads — local tools continue processing files in your browser. AI tools require a connection for each use.
Step 1 — Open HugMyPDF while connected and navigate to the tool you need, for example hugmypdf.com/tools/merge-pdf.
Step 2 — Wait for the page to fully load. The tool UI becomes interactive and the buttons are active.
Step 3 — Disconnect from the internet or enable airplane mode.
Step 4 — Upload your PDF and use the tool. It works normally because processing happens in the JavaScript already loaded in your browser memory, not on a server.
Tools that work offline once loaded: Merge PDF • Compress PDF • Split PDF • Rotate PDF • PDF to Word • PDF to JPG • JPG to PDF • Watermark PDF • Protect PDF • Sign PDF • Add Page Numbers • Grayscale PDF • Reverse Pages • Repair PDF • Compress Image • Resize Image
Tools that always require internet: OCR PDF, Chat with PDF, AI Summarize — these must communicate with HugMyPDF processing servers for every use.
Load once. Disconnect. Keep working. 30+ tools process files locally in your browser.