Overview

PhyloWeaver is a browser-based tool for interactive editing and visualization of phylogenetic trees.
It provides an intuitive interface for manipulating tree topology, adjusting layouts, and producing high-quality figures for research and teaching.

https://yawak.jp/PhyloWeaver/

Features

• Newick import
  • Load phylogenetic trees in standard Newick format.
• Interactive editing
  • Reroot trees
  • Flip subtrees
  • Add / delete leaves
  • Edit leaf labels / branch length
• Two layout modes
  • Phylogram (branch lengths)
  • Cladogram (equal branch lengths)
• Search function
  • Highlight nodes by taxon name
• Styling options
  • Adjust branch width, colors, and other display settings
  • Change leave name, size, color and highlight
  • Change node size and color
• Export options
  • Export the current view as NEWICK file, tip list, and image (SVG/PDF/PNG).

URL-based tree loading

PhyloWeaver can also load a tree directly from a URL query parameter.
If a URL of the form

https://yawak.jp/PhyloWeaver/?newick=((A:0.1,B:0.2)95/0.98:0.3,(C:0.3,D:0.4)88/0.92:0.5);

is opened in the browser, the newick parameter is decoded and used as the initial tree.

Supported formats

• Input: Newick (.nwk, .newick, .tre, .tree)
• Output Newick (.nwk), Leave name list (.txt), Images (.svg, .png, .pdf)

Development notes

• Framework: React + TypeScript
• Build tool: Vite
• Visualization: D3.js
• Styling: Tailwind CSS

Citation

If you use PhyloWeaver in academic work, please cite:

Kawaguchi YW. (2025) PhyloWeaver: an interactive web editor for phylogenetic trees. Available at https://yawak.jp/PhyloWeaver/; DOI: 10.5281/zenodo.17637612

Data Privacy

PhyloWeaver processes all data locally in your browser.
Your Newick files are not uploaded, not stored, and never transmitted to any server.

License

This project is licensed under the MIT License. See the LICENSE file for details.