Excalimate

Spec sheet

What it does

Excalimate turns hand-drawn Excalidraw diagrams into keyframe animations.Read 15 Oct 2026 · excalimate.com

Purpose

Excalimate turns hand-drawn Excalidraw diagrams into keyframe animations.Read 5 Oct 2026 · excalimate.com

Support

The maker provides a public feedback portal for suggestions, votes, discussions, and tracking request progress.Read 5 Oct 2026 · excalimate.com

Account requirement

The maker says Excalimate is available without an account.Read 5 Oct 2026 · excalimate.com

AI clients

The MCP documentation provides configurations for VS Code/GitHub Copilot, Claude Desktop, Claude Code, Cursor, Windsurf and HTTP-compatible clients.Read 15 Oct 2026 · github.com

AI integration

The site advertises 23 MCP tools, live SSE updates and 16 specialized AI skills.Read 15 Oct 2026 · excalimate.com

AI tools

The maker’s site describes 23 MCP tools and 16 specialized AI skills for diagram and animation workflows.Read 5 Oct 2026 · excalimate.com

Animation

Its visual timeline supports opacity, position, scale, rotation, and draw-progress keyframes.Read 5 Oct 2026 · excalimate.com

Architecture

An independent developer profile describes Excalimate as a React 19 and TypeScript SPA deployed with Cloudflare Pages, Workers and R2.Read 15 Oct 2026 · toptal.com

Camera animation

Camera keyframes can pan, zoom and rotate the canvas with aspect-ratio locking.Read 15 Oct 2026 · excalimate.com

Camera motion

Camera keyframes support pan, zoom, and rotation with aspect-ratio lock.Read 5 Oct 2026 · excalimate.com

Developer identity

David Szakacs is listed as the npm publisher of Excalimate packages.Read 15 Oct 2026 · npmjs.com

Documentation depth

The repository includes documentation for architecture, V2 migration, hosted playback, security, sharing, exports, accessibility and MCP operation.Read 15 Oct 2026 · github.com

Editor

The product embeds a full Excalidraw drawing editor for creating, editing and connecting diagram elements.Read 15 Oct 2026 · excalimate.com

Encrypted sharing

Sharing encrypts project data client-side with AES-256-GCM; the key remains in the URL fragment and is not sent to the server.Read 15 Oct 2026 · github.com

Export formats

Exports include MP4, WebM, GIF, SVG, dotLottie, Lottie JSON, PNG and WebP.Read 15 Oct 2026 · excalimate.com

Exports

It exports MP4, WebM, GIF, SVG, dotLottie, Lottie JSON, PNG, and WebP.Read 5 Oct 2026 · excalimate.com

Hosted player

A separate hosted player supports encrypted-share playback and iframe embedding with a restricted postMessage command set.Read 15 Oct 2026 · github.com

Independent technical description

The developer profile describes WebCodecs for MP4/WebM, gif.js for GIF export and programmatic SVG animation.Read 15 Oct 2026 · toptal.com

Initial release

The changelog lists version 0.2.0 as the initial public release on 16 March 2026.Read 15 Oct 2026 · github.com

Keyframe properties

Animation tracks support opacity, position, scale, rotation and draw progress.Read 15 Oct 2026 · excalimate.com

Limit: code maturity

The GitHub README warns that a considerable part of the codebase was built with AI and that cleanup and bug fixing were still ongoing.Read 15 Oct 2026 · github.com

Limit: collaboration

The official Excalimate-versus-Excalidraw comparison states that Excalimate does not currently provide real-time multi-user editing.Read 15 Oct 2026 · excalimate.com

Limit: known bugs

The public feedback board records a bug report about extra scale keyframes appearing after loading saved .excanim projects.Read 15 Oct 2026 · excalimate.com

Limit: timeline editing

The feedback board records requests for multi-keyframe movement and timeline zoom improvements, indicating those workflows had gaps when reported.Read 15 Oct 2026 · excalimate.com

Local data

The privacy notice says projects and recent projects are stored in browser storage for autosave and reopening.Read 15 Oct 2026 · excalimate.com

Local editing

The web app is a static single-page application where rendering, animation, and editing happen in the browser.Read 5 Oct 2026 · github.com

MCP installation

The MCP server can be started with npx @excalimate/mcp-server and defaults to port 3001.Read 15 Oct 2026 · github.com

MCP model handling

The MCP server does not host a model or send scene content to an AI service; analysis and compilation run locally.Read 15 Oct 2026 · github.com

MCP scope

The server exposes scene, animation, camera, inspection, sharing and checkpoint tools.Read 15 Oct 2026 · github.com

MCP transport

HTTP mode supports live preview, while stdio mode is available for clients such as Claude Desktop without live preview.Read 15 Oct 2026 · github.com

Open source

The project is free and open source under the MIT license, with its code published on GitHub.Read 5 Oct 2026 · excalimate.com

Open-source licence

The repository is licensed under the MIT License, with copyright assigned to David Szakacs in 2026.Read 15 Oct 2026 · github.com

Package downloads

The npm profile reports 24 weekly downloads for @excalimate/mcp-server.Read 15 Oct 2026 · npmjs.com

Package maturity

The published @excalimate/mcp-server package is version 0.5.0 and remains a 0.x package rather than a stable GA release.Read 15 Oct 2026 · npmjs.com

Privacy analytics

Optional PostHog analytics starts only after consent and excludes project contents, encryption keys, typed input and full URLs.Read 15 Oct 2026 · excalimate.com

Recent release additions

Version 0.5.1 added imported audio attachments, synchronized playback, AAC MP4 and Opus WebM muxing, and improved timeline navigation.Read 15 Oct 2026 · github.com

Release history

The changelog identifies version 0.5.1 as released on 13 September 2026 and version 0.5.0 as released on 13 July 2026.Read 15 Oct 2026 · github.com

SDK packages

The repository contains project-schema, animation-core, player-runtime and export-runtime packages for shared functionality.Read 15 Oct 2026 · github.com

Security controls

The security design documents strict validation, sanitization, content-security policies, origin checks, quotas and bounded resources.Read 15 Oct 2026 · github.com

Self-hosting

The README documents cloning the repository, installing npm dependencies and running a local Vite development server.Read 15 Oct 2026 · github.com

Share retention

The sharing service documentation specifies a 30-day lifecycle for share storage.Read 15 Oct 2026 · github.com

Sharing retention

Encrypted project shares are retained for up to 30 days according to the maker’s privacy details.Read 5 Oct 2026 · excalimate.com

Timeline

The timeline provides collapsible per-element tracks, draggable keyframes, interpolation curves and zooming.Read 15 Oct 2026 · excalimate.com

Plans and prices

Every Excalimate plan and price →

Where Specifiction places it

• Whiteboard Animation Software#6 of 268.6