Lekh: whiteboard & diagramming

Lekh is a diagram and flowchart maker that understands your sketches. Draw a box, an arrow or a wall by hand and Lekh turns it into a clean shape. Make flowcharts, diagrams, floor plans and layouts, mind maps, UML and network diagrams, mark up photos and take visual notes, on Android, iPhone, iPad, Mac and the web, online or offline.

Infinite canvas:
Lekh whiteboard offers an infinite canvas, giving you the freedom to draw concepts, ideas, or diagrams as if you had limitless and endless paper.

Diagram & flowchart maker:
You can draw flowchart shapes and diagramming shapes such as rectangles, circles, connection lines etc just by sketching. In smart mode, you draw as naturally as on paper, and Lekh automatically transforms your rough sketches into precise shapes and connections. Lekh features best-in-class shape recognition technology.

Photo markup & visual notes:
Import a photo, screenshot or plan and draw on it: circle problems, add arrows, measurements and text. Keep handwritten notes and sketches next to your diagrams on one infinite canvas.

Floor plans, site plans & inspection drawings:
Lekh is perfect for creating roof, window, or house inspection drawings where you need to design layouts and add measurements. With Lekh's smart mode, you can quickly sketch layouts on the screen and easily add text by double-clicking anywhere. It's also great for quickly drawing basic floor plans, house plans, street maps, parking lot layouts, fence layouts, and more. Mark posts and gates on a fence run, write window and door sizes on a photo of each opening, draw gutter and downspout runs on a house photo, and sketch deck, patio and shed site plans. Turn on scaling to draw to scale in inches or cm, write the measurements on, and export a PDF for your customer. Sketch simple wiring and electrical layouts with lines, shapes and labels.

Swimlane diagram & business process mapping:
With Lekh, you can create swimlane diagrams, process flow diagrams, and business process mapping diagrams. The Lekh shape library includes BPMN and Archimate shapes, allowing you to draw any type of business diagram.

Rapid UI Wireframing:
Lekh enables you to create UI wireframes swiftly. The shape library offers customizable wireframe shapes that can be easily configured to achieve your desired results in no time.

More diagram types:
With Lekh, you can create a wide variety of diagrams, including mindmaps, UML, ERD, sequence diagrams, state diagrams, use cases, data flow diagrams (DFD), org charts, and cloud architectures like AWS, GCP, and Azure, among others.

Works with AI:
Connect Lekh to Claude or ChatGPT and ask it to draw or change a diagram on your board. The result is a normal Lekh board you can keep editing by hand.

Online and Offline mode:
Lekh functions in both online and offline modes. In online mode, your drawings and diagrams are stored on the Lekh cloud, allowing you to access them from any device, including through browsers. This mode also enables real-time collaboration, where multiple users can draw on the same canvas simultaneously. In offline mode, all drawings are saved directly to your device, and no internet connection is needed.

Cross platform:
Lekh is a cross-platform app that works on a wide range of devices, including browsers. Visit our homepage to learn more.

Free and Individual plans:
Free: 3 cloud boards and unlimited boards on your device. Individual plan: unlimited cloud boards, sync, real-time collaboration and custom shape libraries.

We appreciate every feedback we receive. Your constant interest and improvement ideas keep the updates coming.

Check out https://lekh.app for more info.

Reach out to us at info@lekhapp.com for any query.

Visit our youtube channel https://www.youtube.com/channel/UCiNazNZGwEkefO_kJXXdX6g for video demos.