Latest version of Adobe Flash Player does not display iTOL trees for unknown reason. As a temporary workaround, you can downgrade your Flash player to (Win/OSX), or (Linux). A complete rewrite of iTOL is underway, which will not use Flash anymore.

Other phylogenetic trees

iTOL is used to generate trees in various projects. Some examples include:

If you're interested or need help in using iTOL for your own large scale display of various trees, feel free to contact us.

Tree generator based on NCBI Taxonomy

If you need to generate a basic phylogenetic tree based on NCBI taxonomy, we recommend phyloT : a tree phylogenetic tree generator . In addition to tree generation in various formats, it supports direct upload/visualization in iTOL. You can visit phyloT by clicking on the logo below: