Open the whiteboard full-screen, edge to edge. Start drawing instantly — your board is saved in your browser.
⛶ Launch full-screenOpens as a distraction-free app. Prefer the guided version? Online Whiteboard
Open the board, then press the fullscreen button (or launch the dedicated /board app) to expand the canvas edge to edge with the pen ready to draw.
Sketch freehand with the pen or highlighter, or drop in an auto-shape — rectangle, ellipse, arrow, elbow connector, block arrow, triangle, diamond — plus text and sticky notes.
Present or teach live: zoom with the mouse wheel, pan with the space bar or a middle-drag, and use align, distribute and z-order to keep a busy board readable on the big screen.
Everything autosaves to your browser as you go, so leaving fullscreen or closing the tab never loses the board — bookmark the /board app and it reopens exactly where you left off.
Export the result as PNG, SVG, PDF or a re-editable JSON scene, or copy straight to the clipboard as a PNG to paste into your slides, chat or lesson notes.
One button uses the browser Fullscreen API to hide every tab, toolbar and notification, so the canvas becomes the whole screen. Ideal for projectors, shared screens and touch displays where every pixel counts.
A dedicated full-screen workspace opens straight into the canvas with the pen already selected — no menus, no setup. Bookmark it and your autosaved board is restored the moment it loads.
Freehand strokes, arrows, elbow connectors, sticky notes and text are all smooth vector objects you can move, rotate, align and re-color — so a diagram stays crisp whether it is on a phone or a wall-sized display.
Zoom, pan and reveal ideas live, then export to PNG, SVG, PDF or JSON, or copy a PNG to the clipboard. Every action happens in your browser — nothing about your board is ever sent to a server.
Put a picture behind the canvas and it becomes a locked object at the back of your board: saved with it, restored on your next visit, and baked into the PNG, SVG and PDF exports underneath your annotations. Or share your own screen live through the browser's own picker and mark up something that is still moving — that one is a stream, so it is never saved and you share again after a reload. Either way the background sits in the board's world coordinates, so it pans and zooms with your marks. Clean mode then hides every control for a bare drawing surface; hold Alt (Option on a Mac) to bring them back while the key is down, or tap the small pill at the top centre of the screen on a touchscreen.
Fullscreen makes a whiteboard feel public — it is often on a projector or a shared call — but the data behind it never leaves your machine. Every stroke, shape and export is produced locally on the HTML canvas, with nothing uploaded and no account attached. What the room sees is only what you choose to show; the file itself is yours alone, autosaved on your own device.
The dedicated board app opens directly into an edge-to-edge canvas with the pen ready, so there is no dashboard to cross and no document to name before you can draw. That instant start matters most in the moments a fullscreen board is for — a class about to begin, a point to make mid-meeting, an idea to catch before it fades. Bookmark it once and a full screen of blank canvas is always one click away.
The same board serves a solo thinker who wants no distractions, a presenter annotating live on a shared screen, and a teacher working through a problem for a remote class. Large touch targets suit interactive displays and kiosks, smooth vector strokes read cleanly when projected, and zoom and pan let you move around a big idea without shrinking it. It adapts to the screen instead of forcing the screen to adapt to it.
Because the board autosaves to your browser after every change, leaving fullscreen, switching monitors or closing the tab never costs you the work. Return to the bookmarked app and the board is exactly as you left it. When something is worth keeping beyond this device, export a JSON scene to reopen later, or a PNG, SVG or PDF to share — the board is never trapped inside one session.
A whiteboard changes character the moment it fills the screen. Shrunk into a window beside a dozen tabs, it is a note-taking corner; expanded edge to edge, it becomes a stage — the surface everyone in the room, or on the call, is looking at. This page is about that second mode: how a browser turns a drawing canvas into a full-screen workspace, why an instant-start board matters for presenting and teaching, and how your work survives across sessions and screens without ever being uploaded. If you want the deeper mechanics of the drawing engine itself, the general online whiteboard page covers how shapes, smoothing and exports work; here the focus is the full-screen experience built on top of it.
Full-screen is not just a maximized window. Browsers expose the Fullscreen API, which lets a page ask the operating system to promote a single element — here, the whiteboard canvas — to occupy the entire display, hiding the address bar, tabs, taskbar and other chrome. When you press the fullscreen button, the tool requests fullscreen on the canvas container; the browser takes over the screen, the canvas resizes to the new viewport, and pressing Escape returns you to the normal page. Because it is a genuine OS-level mode, notifications and window borders step out of the way, which is exactly what you want when the board is on a projector or being shared over a call.
Alongside the in-page fullscreen button, there is a dedicated, bookmarkable workspace at /board that opens straight into the canvas with the pen already selected. There is no landing screen, no "create new document" step, and no menu to cross — the page loads and you are drawing. This architecture exists because the value of a whiteboard is highest in the first few seconds of an idea, and a class or a meeting rarely waits. Bookmark the app, put it on a second monitor or a classroom display, and a full screen of blank canvas is permanently one click away. On return, it quietly restores the board you were last working on.
On a shared screen, a full-screen board becomes a live thinking surface. You can annotate over a diagram as you talk, draw an arrow to the thing you are describing, or build a sketch step by step so the audience follows the reasoning rather than a finished slide. Smooth vector strokes stay crisp when projected or compressed by a video call, and because shapes are real objects you can nudge, rotate, align and re-color them mid-presentation without redrawing. Mouse-wheel zoom and space-bar panning let you move between the big picture and a detail without ever leaving the canvas — a far more fluid way to present an evolving idea than clicking through static slides.
The full-screen board can put something behind your drawing, and the two ways of doing it are built differently — which is exactly why they behave differently afterwards. Pick a file with Image as background and the picture is decoded, downscaled to a sane maximum if it is enormous, sized to fit the view you are looking at, and inserted into the scene as a locked image object at the very back of the stacking order. That last detail is what makes it dependable: it is an ordinary member of the scene rather than a viewing effect, so the local autosave keeps it, a reopened board brings it back exactly where it was, and it is drawn into the SVG, PNG and PDF exports along with everything you put on top of it. Locked means a stray drag never nudges it out from under your annotations, and choosing a second picture replaces the first instead of stacking another behind it.
Sharing a screen works the other way round, because a screen is not a file. Choose Share my screen and the browser opens its own picker — the same one a video call uses — then hands the page a live stream of the tab, window or display you selected. The board paints that stream into the same canvas, underneath every shape, and runs a repaint loop for as long as the share lasts, because a video source never tells a canvas that a new frame has arrived. Its rectangle is placed in the board's world coordinates, so panning and zooming carry it along with your marks rather than sliding it out from under them. What it never becomes is data: a stream cannot be serialized, so a shared screen is absent from the saved scene, from the autosave and from every export, and reopening a board asks you to share again. Nothing is uploaded either — the frames are consumed in your own tab, and ending the share from the browser's own indicator clears the background at once.
So there are three ways to get a picture onto a board, and they answer different questions. Reach for Image as background when the picture is the thing you are marking up — a screenshot, a floor plan, a photo: it arrives scaled to fit inside the view, whole and uncropped, locked out of your way, and it is saved and exported together with the annotations you draw on it. Reach for Add image when the picture is one element of the artwork among several: it arrives unlocked at its own size, and you move it, resize it, rotate it and layer it above or below other shapes, as many as you like. Reach for Share my screen when the subject is still moving and a still would be out of date before you finished drawing on it. Finally, clean mode hides every control — toolbar, corner panels, palette, minimap, hint and exit links — and marks them inert so they are unreachable by Tab and by screen readers; holding Alt reveals them while the key is down (Shift and the space bar are already bound to multi-select and panning), and a small pill at the top centre of the screen — right where the toolbar comes back — serves the same purpose on touchscreens.
For teachers and online tutors, the full-screen canvas is the closest digital equivalent to a physical board. Work a maths problem out line by line, sketch a diagram a textbook only shows finished, or annotate a shared document while a remote class watches. Large, touch-friendly controls make it comfortable on an interactive display or tablet, and the board announces its active tool and state changes to assistive technology through aria-live regions and status roles, so the tool itself does not become a barrier. When the lesson ends, export the board as a PDF or PNG and hand it to students as notes — the exact board they saw, not a reconstruction.
Full-screen also fits fixed and multi-screen setups. On a kiosk or a wall-mounted interactive display, hiding the browser chrome turns a web page into what feels like a dedicated app, and the large targets and pointer-event handling make finger drawing natural. In a dual-monitor workflow, the bookmarked board can live permanently full-screen on a second display — a persistent scratch surface you glance at and draw on while your main work stays on the primary monitor. Because it restores from autosave, that second-screen board keeps its contents between sessions without any manual saving.
None of this focus is useful if the work is fragile, so the board debounces a copy of the current scene into your browser's local storage after each change. Entering or leaving fullscreen, moving to another monitor, or closing the tab does not discard anything — the bookmarked board app reopens with your last scene intact. That autosave is device-local and private, so for anything you need beyond this browser you export: a JSON scene to reopen and keep editing, a lossless SVG, a print-ready PNG or PDF at screen, 2× or 300 DPI A4/A3, or a quick copy to the clipboard as a PNG to paste into slides or chat. The board is a place to think in full screen, and the export step is how that thinking travels.
It is the same drawing engine, framed for full-screen use. This page and the dedicated /board app are built to fill the screen edge to edge and start instantly, which suits presenting, teaching, kiosks and second-monitor setups. If you mainly want the drawing tools in a normal page, the general online whiteboard covers the same shapes, strokes and exports.
Press the fullscreen button in the toolbar. It uses the browser's Fullscreen API to expand the canvas over the entire display and hide tabs, the address bar and other chrome. Press Escape to return to the normal page. You can also open the dedicated /board app, which is designed to run full-screen from the moment it loads.
No, in either case. Even in fullscreen or mid-call, everything is drawn locally in your browser on the HTML canvas: your audience sees your screen, but the board data itself is never uploaded, never stored on a server and never tied to an account, and the only saved copy is the private autosave in your own browser. A shared screen is the same — the live stream your browser hands to the page is painted straight onto the canvas on your own device and goes nowhere else. It cannot start without your click and your explicit choice in the browser's picker, your browser shows its own sharing indicator throughout, and ending the share from there clears the background immediately. Because it is a stream rather than data, it is also absent from the JSON scene, from the local autosave and from every export, so reopening a board asks you to share again. An image background is the opposite: it is a real object in the scene, so that one is saved with the board and appears in the exports.
Yes. The board autosaves to your browser's local storage after every change, so exiting fullscreen, switching monitors or closing the tab does not lose your work. Reopen the bookmarked /board app and it restores your last scene. For a permanent copy, export a JSON scene, or a PNG, SVG or PDF.
Yes. The board uses pointer events, so a finger, stylus, mouse or trackpad all work, and the controls are large touch-friendly targets that suit kiosks and wall-mounted displays. Full-screen mode hides the browser chrome, so the page behaves much like a dedicated drawing app on the display.
Freehand pen and highlighter strokes plus a full set of auto-shapes — rectangle, rounded rectangle, ellipse, line, arrow, elbow connector, block arrow, triangle and diamond — as well as text, sticky notes and imported images. Everything is a vector object you can select, move, rotate, resize, align, distribute, re-color and reorder, so a board stays editable while you present.
Yes. Full-screen gives you a clean stage to work through problems step by step, and zoom and pan let you move between an overview and a detail without leaving the canvas. It announces its active tool and state changes to screen readers, and you can export the finished board as a PDF or PNG to share with students as notes.
Export to PNG or PDF (at screen, 2×, or 300 DPI A4/A3), to SVG for a lossless vector, or to a JSON scene you can reopen and keep editing. You can also copy the board straight to the clipboard as a PNG to paste into slides, a chat or a document. Exports are generated locally and sized by a memory-safe engine.
Both. Choose "Share my screen" and your browser opens its own picker, where you decide whether to share a single tab, one window or a whole display; the surface you pick is painted behind the canvas and you annotate on top of it with the same pen, shapes, arrows and text. Choose "Image as background" instead and the picture is placed as a locked object at the very back of your board, which means it is saved with the board and exported with it. Either way the background sits in the board's world coordinates, so panning and zooming move it together with your marks and an arrow keeps pointing at the same thing. Screen sharing needs the browser's Screen Capture API, which desktop browsers provide; on iPhone, iPad and Android the button is not shown and the image background is used instead.
No account, ever. After the page loads, drawing, presenting and exporting all happen locally, so the board keeps working even if your connection drops mid-class or mid-meeting. Nothing about your board is sent anywhere.
Put your live screen behind an infinite whiteboard, draw over it and record the result — all in your browser. Nothing is uploaded, and no screen is ever saved.
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