Free CSS Tab Size Generator
Configure tab width with our free tool. Tab-size for code blocks and preformatted text.
- Tab width slider
- Space equivalent
- Code block preview
- Textarea demo
- Browser support
Frequently Asked Questions
What does tab-size do?
tab-size sets how many spaces a tab character represents visually. tab-size: 4 makes tabs appear as 4 spaces wide. The default varies by browser (usually 8).
When should I adjust tab-size?
In code blocks and preformatted text where tabs exist. Set it to match your coding style preference—2 or 4 spaces is common. Browser default of 8 is often too wide.
Does tab-size affect spaces?
No, tab-size only affects the tab character (\t). Spaces are always one character wide. Use it when your code contains actual tabs, not space indentation.