Like most wikis, TiddlyWiki supports a range of simplified character formatting:
| !To get | !Type this |h
| ''Bold'' | {{{''Bold''}}} |
| --Strikethrough-- | {{{--Strikethrough--}}} |
| __Underline__ | {{{__Underline__}}} (that's two underline characters) |
| //Italic// | {{{//Italic//}}} |
| Superscript: 2^^3^^=8 | {{{2^^3^^=8}}} |
| Subscript: a~~ij~~ = -a~~ji~~ | {{{a~~ij~~ = -a~~ji~~}}} |
| @@highlight@@ | {{{@@highlight@@}}} |

Headers
{{{!Header 1}}}
{{{!!Header 2}}}
{{{!!!Header 3}}}

Links
{{{Internal/external link: [[text|WikiWord or URL]]}}}
{{{Image link: [img[picturename|path/to/picture.jpg]]}}}
{{{File link: [[text|path/to/file.pdf]]}}}

Bulleted lists
{{{* Level 1}}}
{{{** Level 2}}}
{{{*** Level 3}}}

Numbered lists
{{{# Level 1}}}
{{{## Level 2}}}
{{{### Level 3}}}

Tables
{{{|!Table heading 1|!Table heading 2|}}}
{{{|>| Colspan |}}}
{{{| Rowspan |Left-aligned cell|}}}
{{{|~| Right-aligned cell|}}}
{{{|bgcolor(#a0ffa0):colored| Centered cell |}}}
{{{|Caption|Table caption}}}