PDF Doctor icon PDF Doctor

Read, annotate and convert documents — right where they live.

PDF Doctor is a native iPad and iPhone app for marking up PDFs with Apple Pencil, turning Word, PowerPoint, Excel, Markdown and photos into searchable PDFs, and writing Markdown notes in an Obsidian-style editor.

Annotate PDFsPressure-sensitive pen, highlighter, text highlight, shapes, notes, text boxes, signatures and form filling. Saved as standard PDF annotations.
Convert to PDFDOCX, PPTX, XLSX, Pages, Keynote, Numbers, Markdown, HTML, images and Google Docs become PDFs next to the original file.
Your files, your cloudsBrowse files on your device, in iCloud Drive, in Google Drive and in any folder from the Files app.
Markdown vaultsLive preview, wikilinks, backlinks, tags, graph view and quick switcher. Works with existing Obsidian vaults.
OCRScans and photos become searchable, selectable text — Korean and English.

Google Drive

If you choose to connect Google Drive, PDF Doctor uses Google's permission to list your Drive files, open the ones you tap, and save the changes you make (annotations, converted PDFs) back to your Drive. Your files go directly between your device and Google. PDF Doctor has no servers and never receives your files or account data. Details are in the privacy policy.