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Export mind maps as PNG, SVG, and Markdown outline #197
Description
Problem
There is no export. The only way to share a map is a live link, which requires the recipient to hit the app (and get an anonymous auth account). Roadmap ranks this the highest-impact, lowest-effort product gap: no sync-architecture entanglement.
Proposed approach
- PNG/SVG export of the canvas. The map renders as SVG/DOM inside the zoom-pan container, so SVG serialization plus a canvas rasterization pass for PNG should cover both.
- Markdown outline export of the node tree: walk from the root, indent by depth (
-list items). - Surface as an Export entry in the existing map menu/side panel; downloads named after the map title.
- Independent of the write-model work — reads only.
Acceptance criteria
- PNG export downloads a correctly-cropped image of the full map (not just the visible viewport)
- SVG export opens correctly in a browser and vector editors
- Markdown export reproduces the tree structure and node text
- Works on a map you only have view access to
References
ROADMAP.md section 11 (first bullet).
Activity
Add PNG, SVG, and Markdown export of mind maps (#197)
Roadmap: record Wave 4 completion (#197 export, #198 undo, #196 priva…
epodol commentedon Jul 7, 2026
Landed on the
revivalbranch in c0ceaf7 (part of #199): Export menu in the map bottom bar with PNG, SVG, and Markdown outline. SVG/PNG crop to the full map extent viagetBBox()(not just the visible viewport) and inline background/font; Markdown walks the tree with cycle protection and orphan recovery. Read-only, so it works on view-only maps. Closes when #199 merges; the manual click-through on the PR covers verifying the three formats on a real map.