Inkspot — Annotate Anythi

Inkspot turns any webpage into a whiteboard.

Click the toolbar icon and a clean, floating palette appears over the
current page. Draw freehand, highlight, add shapes, drop text boxes,
point with a laser, or use disappearing ink to guide attention without
leaving a mark. When you're done, one click closes the overlay and the
page is untouched.

Built for teachers who present from the browser — Google Slides, Google
Meet, YouTube explainers, shared PDFs — but useful for anyone who wants
to mark up a screen during a meeting, review, or recording.

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WHAT'S INCLUDED
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- Pen and highlighter with full color picker (hex, RGB, HSL) plus
quick-access swatches
- Rectangle, circle, line, and arrow shapes
- Text boxes with adjustable font size and drag-to-position
- Laser pointer — a red glow that follows your cursor, leaves no marks
- Disappearing ink — strokes fade out after a moment, perfect for
drawing attention without clutter
- Eraser to remove individual strokes
- Undo, redo, and clear-all
- Adjustable stroke width
- Cursor (pass-through) mode so you can still advance slides, scroll,
and click underneath without closing the overlay
- Works in fullscreen slideshow mode — follows you into presentation
- Draggable toolbar — move it anywhere on screen

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KEYBOARD SHORTCUTS
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V — Cursor (click through to page)
P — Pen
H — Highlighter
R — Rectangle
C — Circle
L — Line
A — Arrow
T — Text
X — Laser pointer
D — Disappearing ink
E — Eraser
Ctrl/Cmd + Z — Undo
Ctrl/Cmd + Shift + Z — Redo
Esc — Close overlay

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PRIVACY
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Inkspot collects nothing. No accounts, no analytics, no telemetry, no
network requests. Annotations live in your browser tab and disappear
when you close the overlay. The extension has no backend — everything
runs locally on your device.

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LIMITATIONS
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- Chrome and Edge on desktop only (no mobile browsers)
- Does not work on chrome:// pages, the Chrome Web Store, or the
built-in PDF viewer — browser restriction. For PDFs, use a web viewer
like Google Drive.
- Annotations do not persist between sessions by design

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Feedback, bug reports, and feature requests welcome. What would help
you teach better?

Made with ♥ by Atharva Pingale