Template data was previously limited to 65,535 bytes (<s>{{phab|53740}}</s>). This limit could be exceeded for some templates which use many parameters, such as {{tl|Infobox officeholder}}, but the code is now compressed, increasing the limit.
== Tools ==
[[File:TemplateDataEditor.png|thumb|Editor for [[:en:Wikipedia:VisualEditor/TemplateData|TemplateData]]]]
* [[User:NicoV/TemplateDataEditor|TemplateDataEditor]] A user script that makes the process of adding TemplateData easier.
* [http://tools.wikimedia.pl/~mlazowik/templatedata/ Yet another template data editor]
* [[User:Salix alba/TDSkell|TemplateData Skeleton]] — Read the source of a template and tries to find all the parameters used and output a skeleton document with all the parameters listed. Javascript toolbox popup.
* [[Module:TemplateDataGenerator]] - Skeleton generator as a template to subst.
* {{tl|Format TemplateData}} and [[Module:TemplateData]] help format the appearance of template data sections on documentation pages.
* [[:ru:Модуль:TemplateDataDoc]] allows to create blank copy and usage example from TemplateData. The module is in Russian.
