OnDevicePDF - Offline PDF Tools: Merge, Split & Compress

Merge, split, rotate, reorder & compress PDFs, ask questions, view PDFs - 100% on-device in your browser. No uploads, no account.

Real PDF tools that run entirely inside your browser. Not a shortcut to a website — the processing happens on your device, even in airplane mode. WORKS IN THE SIDE PANEL, FULLY OFFLINE • Merge PDFs — combine files in any order • Organize pages — rotate, reorder (drag & drop), delete, extract • Split PDF — every page as its own file, zipped • Compress PDF — lossless optimize, or Balanced/Strong for scans • Images to PDF — JPG, PNG, WebP • Ask your PDF — instant answers quoted from the document with page numbers, found on-device. No AI model download, nothing uploaded. OPTIONAL SUPERPOWERS (off by default, one click to enable) • Open web PDFs in a fast local viewer with text selection — with Ask and page organizing one click away • Get a notification after a PDF download finishes to open it here PRIVATE BY ARCHITECTURE • Files never leave your device — there is no server to upload to • No account, no sign-in, no daily limits • No analytics or telemetry in the extension FITS YOUR FLOW • Click the toolbar icon (or Alt+Shift+P) to open the side panel • Right-click any PDF link → "Open PDF link in OnDevicePDF" • Drag files straight into the panel Need more? One click opens the full free toolkit at ondevicepdf.com: PDF editor, sign, watermark, redact, OCR text extraction, PDF↔Excel, password protect/unlock, and generative Chat with PDF.