Markr
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Free PDF annotation, right in your browser

Markr lets you draw, add text, and stamp checkmarks or crosses on any PDF without uploading it anywhere. Open a file, annotate it, and download the result in seconds. No account. No server. No cost.

Draw & Erase

Freehand pen with any colour and stroke width. Erase mistakes without affecting the original PDF.

D E

Stamps

Click to place checkmarks or crosses anywhere on the page. Resize with the size control.

V X

Text Boxes

Add resizable text anywhere on the page. Drag to reposition, delete with one tap.

T

Undo

Undo up to 40 steps across all annotation types. Works per page.

Ctrl+Z

Save PDF

Download your annotated PDF with all markups baked in. Works with any PDF viewer.

Ctrl+S

Mobile friendly

Works on tablets and mobile browsers. Touch to draw, tap to stamp, pinch to scroll.

🔒 100% private. Markr processes your PDF entirely inside your browser using PDF.js and pdf-lib. Your document is never uploaded to any server. Nothing is stored.

Markr is free to use. If it saved you time, you can buy me a coffee ☕  ·  Built by Interactive 63

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Markr · Interactive 63
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