# Tronor > Tronor builds creative tools for visual thinkers. Products include T-Sketch, an infinite canvas for real-time collaboration, illustration, and visual note-taking (web, Windows, macOS, iPadOS, ChromeOS), and T-Annotate, a free macOS screen annotation tool powered by the same ink engine. - URL: https://www.tronor.com - T-Sketch App: https://sketch.tronor.com ## Products - [T-Sketch](https://www.tronor.com/products/sketch): Infinite canvas for illustration, note-taking, architectural sketching, and real-time collaboration. Timelapse video export lets artists share their creative process. Available on web, Windows, macOS, iPadOS, and ChromeOS. Free to start. - [T-Annotate](https://www.tronor.com/products/annotate): Free macOS screen annotation tool. Draw on top of any application with professional ink brushes (Pressure Pen, Pen, Calligraphy, Highlighter). Apple Silicon, macOS 14+. No account required. - [Pricing](https://www.tronor.com/pricing): Free and Pro plans for T-Sketch. T-Annotate is completely free. ## Documentation - [Getting Started](https://www.tronor.com/docs): Sign up, create your first sketch, and learn the application layout. Supports stylus, tablet, and touch input. - [Install Apps](https://www.tronor.com/docs/install-app): Entry point for installing Tronor apps on desktop and mobile platforms. - [Scene Mode](https://www.tronor.com/docs/scene): Pan, zoom, configure backgrounds, switch light and dark mode, and use the laser pointer for collaboration. - [Selection Mode](https://www.tronor.com/docs/selection): Select, move, resize, rotate, and recolor objects. Every object stays editable. - [Measurements](https://www.tronor.com/docs/measurements): Place compass markers and ruler lines to measure distances on your canvas. - [Slides Mode](https://www.tronor.com/docs/slides): Create presentation slides on your infinite canvas with aspect ratios, thumbnails, reordering, and export. - [Drawing Mode](https://www.tronor.com/docs/drawing): Over 60 brushes across three engines — about 40 ink brushes, 16 animated vector effects, and 8 raster brushes. Constraint modes, magic stroke conversion, manage brushes, and per-brush settings. - [Shapes Mode](https://www.tronor.com/docs/shapes): 10 shape types — rectangles, circles, hexagons, triangles, stars, and brackets. Rendered with ink, vector, or raster brush engines. Optional fill and corner rounding. - [Lines Mode](https://www.tronor.com/docs/lines): Four line types — straight, curve, elbow, and orthogonal. Start/end markers (arrow, circle, square, triangle). Same brush engines and brushes as Drawing and Shapes modes. Corner rounding for orthogonal lines. - [Text Mode](https://www.tronor.com/docs/text): Rich text with 45 fonts in 5 categories, headings, lists, alignment, highlights, links, block quotes, and code blocks. Scale from 1% to 1000%. Inline image attachments. - [Symbols Mode](https://www.tronor.com/docs/symbols): Search a large symbol catalog, auto-recolor to match your palette, and randomize discovery. - [Images Mode](https://www.tronor.com/docs/images): Upload PNG, JPEG, GIF, and WebP images. Add via file picker, drag-drop, or clipboard paste. Opacity, invert, and recolor effects. - [Eraser Mode](https://www.tronor.com/docs/eraser): Object-based eraser with adjustable size (1–100). Filter by 9 object types, lock state (unlocked/locked/all), and layer (current/any). Clear Scene with filters. - [Presentation Mode](https://www.tronor.com/docs/presentation): Present from the infinite canvas with smooth camera transitions between slides. Laser pointer with color, slide jump dropdown, pan/pointer tools. USB clicker support. - [Collaboration & Sharing](https://www.tronor.com/docs/collaboration): Live cursors, sharing links, viewer mode, and team features. Present live and iterate together. - [Keyboard Shortcuts](https://www.tronor.com/docs/keyboard-shortcuts): Complete keyboard shortcut reference for navigation, tools, drawing, and presentation controls. - [Color Management](https://www.tronor.com/docs/color-management): Foreground and background palettes, palette presets, Copic color wheel, eyedropper, and per-brush color memory. - [Memory Management](https://www.tronor.com/docs/memory-management): Monitor memory usage across 7 categories, adjust rendering quality and memory budget, and understand how the web-based drawing engine manages device memory. - [Export & Import](https://www.tronor.com/docs/export-import): Export as PNG images, timelapse videos, or archive files. Clipboard operations and slide export. - [Pressure Sensitivity](https://www.tronor.com/docs/pressure-sensitivity): Supported stylus devices, configuration notes for Apple Pencil, Wacom, and Surface Pen, in-browser pressure test widget, and pressure curve presets. - [User Settings](https://www.tronor.com/docs/user-settings): Manage your profile, language, appearance (theme and UI scale), stylus pressure curve, memory controls, and active sessions across devices. - [Team Settings](https://www.tronor.com/docs/team-settings): Manage your team, invite members, organize projects, and handle billing and subscriptions. - [System Requirements](https://www.tronor.com/docs/system-requirements): Device and browser support, GPU requirements, stylus and tablet support. - [Install as Web App (PWA)](https://www.tronor.com/docs/apps/pwa): Install T-Sketch as a Progressive Web App (PWA) on desktop or mobile. - [macOS Desktop App](https://www.tronor.com/docs/apps/macos): Download and install the native T-Sketch macOS desktop application. - [Release Notes](https://www.tronor.com/docs/release-notes): Latest updates, new features, bug fixes, and platform improvements. ## Knowledge Base - [Tablet Pen Drag Threshold](https://www.tronor.com/docs/kb/tablet-pen-drag-threshold): If your pen cursor freezes when you start drawing, your tablet driver's drag threshold may be too high. Covers Wacom, Huion, XP-Pen, and other tablets on macOS, Windows, and Linux. - [Memory Limits](https://www.tronor.com/docs/kb/memory-limits): Why browser tabs have memory limits, what happens when you run out, and how to troubleshoot memory issues on iPad, laptop, and desktop. - [Timelapse Export](https://www.tronor.com/docs/kb/timelapse-export): Generate a video replay of your drawing process. Configure view, layers, duration, frame rate, format (MP4 or WebM), and transparent background. ## Use Cases - [T-Sketch for Engineers](https://www.tronor.com/resources/use-cases/engineers): Design system architecture visually. Draw freely, collaborate in real-time, and escape rigid diagramming tools. - [T-Sketch for Education](https://www.tronor.com/resources/use-cases/teachers-students): Transform teaching and learning. Draw, explain, and collaborate in real-time from classrooms to research. - [T-Sketch for Artists & Designers](https://www.tronor.com/resources/use-cases/artists-designers): Sketch, brainstorm, and explore creative directions with 24+ brush effects on an infinite canvas. Export timelapse videos to share your creative process. - [T-Sketch for Remote Teams](https://www.tronor.com/resources/use-cases/remote-teams): Replace the physical whiteboard. An infinite collaborative canvas for brainstorming and visual communication. - [T-Sketch for Product Managers](https://www.tronor.com/resources/use-cases/product-managers): Map user journeys, brainstorm features, and think through product problems visually. - [T-Sketch for Workshops](https://www.tronor.com/resources/use-cases/workshops): Run engaging design sprints and ideation sessions with real-time collaboration and atmospheric effects. - [T-Sketch for Content Creators](https://www.tronor.com/resources/use-cases/content-creators): Live drawing with fire, glow, and neon effects — perfect for streams, explainers, and videos. Generate timelapse videos of your drawing process for social media and YouTube. - [T-Sketch for UX Designers](https://www.tronor.com/resources/use-cases/ux-designers): Sketch rough wireframes and user flows before opening Figma. Lightweight early-stage UX exploration. - [T-Sketch for Consultants](https://www.tronor.com/resources/use-cases/consultants): Present to clients visually and co-create during workshops with slides and live sketching. - [T-Sketch for Visual Note-Takers](https://www.tronor.com/resources/use-cases/visual-note-takers): Combine freeform drawing with rich text to capture ideas visually. No install required. - [T-Sketch for Illustrators](https://www.tronor.com/resources/use-cases/illustrators): Explore compositions and iterate on rough concepts with 24+ brush effects and pressure sensitivity. Export timelapse videos to show clients and followers how your artwork came together. - [T-Sketch for Journaling](https://www.tronor.com/resources/use-cases/journaling): Mix writing and drawing in one place. An infinite canvas for journaling and creative expression. ## Company - [About Tronor](https://www.tronor.com/about): Tronor builds creative tools for visual thinkers — T-Sketch and T-Annotate. Based in Irvine, California. - [Contact](https://www.tronor.com/contact): Get in touch with the Tronor team for questions, feedback, and support. - [Resources](https://www.tronor.com/resources): Guides, tutorials, use cases, and resources for getting the most out of Tronor products. ## Optional - [Terms of Service](https://www.tronor.com/legal/terms) - [Privacy Policy](https://www.tronor.com/legal/privacy) - [Sub-processors](https://www.tronor.com/legal/sub-processors) - [Acceptable Use Policy](https://www.tronor.com/legal/acceptable-use) - [Copyright & DMCA Policy](https://www.tronor.com/legal/dmca) - [Age Suitability](https://www.tronor.com/legal/age-suitability)