Cowdrey.PDF app icon
Free for Mac and the web

Cowdrey.PDF.

Edit, comment, organize, fill in and protect PDFs. Your files stay on your device.

Version 0.3 · Web · Mac · iPhone, iPad and Android coming soon · Free and open source · No account, no upload

Cowdrey.PDF

This is the real app, with a sample PDF open. Edit a line, highlight, sign or fill in the form. Nothing is uploaded.
Open full screen ›

Everything you need from a PDF editor. Free.

Edit text

Change what’s already there.

Click where you want and type, in the line’s own font. Edit whole paragraphs that reflow, change font, size, colour, alignment and spacing, and find and replace across the document.

Pictures and links

Move, crop, replace.

Add, move, resize, rotate, flip, crop, replace or delete pictures, and add or change links to pages and websites.

Comment

Mark up like a pro.

Highlight, underline, strike out, draw, add shapes, notes, text boxes, callouts and stamps. Reply, set a status, filter, and export comments. Every PDF app can read them.

Organize pages

Every page where you want it.

A page grid to insert, replace, extract, split, combine, crop, rotate, reorder and delete pages, with undo for all of it.

Page design

Watermarks, headers and Bates.

Add a watermark, background, header and footer with page numbers, or Bates numbering, with a live preview. Change or remove them later.

Forms

Make forms, or fill them in.

Eight kinds of field, field properties, recognize a form automatically, fill in, clear or flatten. What you enter is saved into the PDF.

Protect

Redact for real.

Redact text, areas or every match of a search, and the words are removed from the file for good. Add a password and permissions, remove hidden information, and compress.

Scans

Text from scanned pages.

OCR turns scanned pages into searchable, selectable text, on your device. It works offline in the apps.

Sign

Draw it once.

Draw your signature and place it on any page. It is kept on your device for next time.

Read

Sharp pages, fast.

Thumbnails, bookmarks, attachments and page labels down the side. Two-page view, fit page, a hand tool, Read mode, and Read aloud. Dark pages for reading at night.

Keyboard and touch

Works the way you do.

Every tool works from the keyboard, with screen reader support. On phones, big touch targets and pinch zoom; on the Mac, a real menu bar.

Private

Your files never leave.

No account and no upload. PDFs you open, and your edits, are kept on this device, and Save writes back to the file on the Mac.

Get Cowdrey.PDF.

Web

Any modern browser · Chrome, Safari, Edge, Firefox

Open Cowdrey.PDF
  1. Open it and drop a PDF in, or choose Open.
  2. Your PDFs and mark-up are kept in this browser, on this device. Nothing is uploaded.
  3. Save PDF downloads the edited PDF. In Chrome and Edge it can save straight back to the file.

Mac

macOS 10.15 or later · Apple silicon and Intel

Download for Mac
  1. Open Cowdrey.PDF.dmg and drag Cowdrey.PDF into Applications.
  2. This early version isn’t notarized by Apple yet, so the first time, Control-click Cowdrey.PDF and choose Open.
  3. To open every PDF with it: select one in Finder, press ⌘I, choose Cowdrey.PDF under Open with, then Change All.

iPhone, iPad and Android

iOS 15 or later · Android 8.0 or later

Coming soon
  1. The phone and tablet apps are built and being tested.
  2. Until then, Cowdrey.PDF on the web works in your phone’s browser.

Free and open source. Read the code, or report a problem, on GitHub →

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