Downloads and resources

In your browser

The same MarkupClaw in Chrome or Edge, nothing to install. Your PDFs open from and save to your own computer; nothing is uploaded.

Chrome or Edge; Firefox and Safari save a copy

MarkupClaw for Windows

The installer. Installs for your user only, no admin rights needed. Adds MarkupClaw to the Start menu and to Open with for PDFs and markup files.

Windows 10 or 11, 64-bit

Portable (no install)

For a PC where you cannot install programs: unzip anywhere and run MarkupClaw. No admin rights, no file types, no Start-menu entry; the same sign-in and licence.

Windows 10 or 11, 64-bit

Reader in your browser

Nothing to install. Your PDFs open from and save to your own computer; nothing is uploaded.

Chrome or Edge

Reader for Windows

The installer. Installs for your user only, no admin rights needed, and can be your PDF app.

Windows 10 or 11, 64-bit

Reader portable

Unzip anywhere and run it. No admin rights, no Start-menu entry.

Windows 10 or 11, 64-bit

Open PDFs from the web

The Reader for Chrome and Edge: a PDF you click on any website opens in MarkupClaw Reader, the way Acrobat's extension does. One switch turns it off; right-click any link for Open in MarkupClaw Reader.

Chrome or Edge; add it with Load unpacked (store listing coming)

User guide

Installing, signing in, the tools for measuring, redlining, layers and the PE seal, files and file types, and working with people who use other markup software.

Word document

What's shipping

What changed in each release, newest first.

Help and feedback

Something broken, missing or confusing? Tell us; testers' notes shape the next build.