cnvs.app

Plans and prices

Every plan, in full

On the record

AI integrations

MCP-capable clients and REST API clients can read and edit the same live boards without an API key.cnvs.app · read 9 Oct 2026

Canvas tools

The canvas supports freehand drawing, text with Markdown, sticky notes, diagram boxes, connectors, image and URL pasting, and pan and zoom.cnvs.app · read 9 Oct 2026

Diagrams

Mermaid diagrams, including flowcharts, sequence diagrams, ER diagrams, Gantt charts, and mindmaps, render from text in a canvas node.cnvs.app · read 9 Oct 2026

Exports

The product supports printing and PDF export, and the app page also lists board JSON and task CSV export options.cnvs.app · read 9 Oct 2026

Kanban mode

An empty board can be switched to a kanban task board with columns, lanes, and cards carrying descriptions, due dates, priorities, and assignees.cnvs.app · read 9 Oct 2026

Maker

The about page identifies CODER AI as the maker of cnvs.app.cnvs.app · read 9 Oct 2026

Mobile and offline

It is an installable Progressive Web App that works on phones and tablets and provides read-only access to previously cached boards offline.cnvs.app · read 9 Oct 2026

Privacy

The maker says board content is excluded from AI training and analytics; its privacy policy says Google Analytics may collect page and coarse usage data on tagged pages.cnvs.app · read 9 Oct 2026

Retention limit

Boards are purged from the live service after 30 days of inactivity, and there is no user-facing recycle bin or individual-board recovery.cnvs.app · read 9 Oct 2026

Security

Traffic is TLS-encrypted, and boards can be locked with an access key for write access or both reading and writing.cnvs.app · read 9 Oct 2026

Sharing and sync

Anyone with a board URL can collaborate live without signing up, and edits sync over WebSockets.cnvs.app · read 9 Oct 2026

Support

The privacy policy directs privacy questions to [email protected] and says users can submit information through the feedback form or support email.cnvs.app · read 9 Oct 2026

Usage limits

Developer documentation lists per-board limits of 500 text nodes, 50 images totaling up to 10 MB, and 2,000 strokes.cnvs.app · read 9 Oct 2026

What it does

cnvs.app is a free, browser-based collaborative whiteboard for people and AI agents.cnvs.app · read 9 Oct 2026

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