Collab Whiteboard — free, private, no upload
Draw on a shared canvas in real time, browser to browser. Share a code and sketch together instantly. Free, no sign-up.
No upload. No watermark. No sign-up. This collab whiteboard tool runs entirely inside your browser — your file never leaves your device.
How to collab whiteboard
- Open your PDF in the tool above — it loads locally in your browser.
- Pick your options; processing happens on your device with JavaScript.
- Download the result — free, with no watermark added.
More collaborate & share tools
- P2P File Share — Send any file browser-to-browser — no server storage.
← All free local PDF tools
