Free Online Whiteboard - Infinite Interactive Digital Canvas
RUSTCODEWEB Digital Canvas is a high-performance, 100% client-side online whiteboard built for developers, educators, students, and architects. It features zero dependencies, infinite pan and zoom, sticky notes, ruled and graph paper patterns, shape tools, image paste, and transparent PNG export.
Key Whiteboard Features
- Infinite Mathematical Canvas: Smooth vector rendering with 60FPS pan and pinch-to-zoom (20% to 500%).
- Sticky Notes: Quick-drop colored sticky notes with double-click editing, auto-wrapping text, and smart contrast.
- Background Patterns: Switch between Dotted Grid, Ruled Notebook Lines, Engineering Graph Grid, and Plain Blank.
- Geometric Shapes & Freehand: Smooth quadratic Bezier pencil, semi-transparent highlighter, lines, arrows, rectangles, and circles.
- Image Paste & Resize: Direct clipboard paste (Ctrl+V) and mobile camera photo insertion with corner resize handles.
- High-Resolution PNG Export: Export diagrams with solid or transparent backgrounds for presentations and docs.
- 100% Private & Offline: Save and open vector projects locally (.rcw format) without cloud accounts or data tracking.
Frequently Asked Questions
Can I resize images, sticky notes, and shapes on phone and desktop?
Yes! Click or tap any shape, sticky note, or pasted photo with the Select tool (V). Four corner handles will appear. Simply touch or click and drag any corner handle to resize proportionally.
How do I create and edit sticky notes?
Click the Sticky Note tool (shortcut N) and tap anywhere on the canvas to place a note. Double-click any note to edit its text with automatic wrapping, and drag corner handles to resize.
Can I change the canvas background to ruled or graph paper?
Yes! Click the background button in the bottom floating dock or press G to cycle through Dotted Grid, Ruled Notebook Paper, Engineering Graph Grid, and Plain Blank.
How do I insert photos on mobile or PC?
On desktop, press Ctrl+V to paste directly from your clipboard. On mobile devices or tablets, tap the Image icon in the left toolbar to take a camera photo or choose from your photo gallery.
Can I export transparent PNG images?
Yes! Click the Export button in the top bar and select Export PNG (Transparent) to download your diagrams without background, ready for dark mode websites, slides, and documentation.
Can I save my work locally and reload later?
Yes! Click the Three-Dots menu and choose Save File to download an .rcw vector project file. To resume editing, click Open File or drag and drop the file directly onto the canvas.
Is my data private and does it work offline?
100% private! The application is fully client-side and runs completely inside your browser with native HTML5 Canvas and LocalStorage. No drawing or personal data is ever sent to any remote server.
Does it support stylus pressure and pinch-to-zoom?
Yes! The canvas features dynamic pressure sensitivity for Apple Pencil, Samsung S-Pen, and drawing tablets, along with multi-touch pinch-to-zoom (20% to 500%) and two-finger panning.