Visually configure Tailwind spacing system with custom base unit and ratio, generate config code
Zero Dependencies ยท Works Offlineโ๏ธ Base Configuration
๐ Spacing Visualization
๐ฅ๏ธ Box Model Preview
๐ Tailwind Config Code
What Can the Tailwind Spacing Generator Do?
The Tailwind Spacing Generator is a free online developer tool that helps you visually configure Tailwind CSS spacing systems. Supports custom base units (4px/8px etc.), max levels, rem/px unit switching, real-time spacing visualization and box model preview, and one-click tailwind.config.js code generation. All processing runs locally in your browserโno data is ever uploaded.
Core Features
- Custom Base Unit: Support 1-16px base values for flexible design system adaptation
- Spacing Visualization: Intuitive display of pixel widths for each level
- Box Model Preview: Real-time margin/padding effect preview
- Multi-Unit Support: rem/px switching with px comments for clarity
- Half-Level Support: Optional 0.5, 1.5 etc. half-level spacing
How to Use
1. Set base unit (default 4px) and max level.
2. Choose rem or px unit, adjust root font size.
3. Review spacing visualization and box model preview.
4. Copy the generated tailwind.config.js code to your project.
Use Cases
Design System Setup
Designers and developers collaborate on unified spacing standards for UI consistency.
Project Customization
Frontend teams customize Tailwind spacing based on design specs, avoiding inline styles.
Spacing Audit
Engineers review existing spacing usage and optimize the spacing system to reduce redundant values.
Technical Background
Tailwind CSS spacing is based on a 4px grid following the 8pt Grid System design principle. The spacing config affects margin (m-*), padding (p-*), and gap (gap-*) utilities simultaneously. Tailwind defaults to rem units where 1rem=16px, so 0.25rem=4px. Using rem has the advantage of scaling with user font size settings, improving accessibility. In mobile design, 4px grids are mainstream; desktop often uses 8px grids. When customizing spacing, maintain multiplicative relationships to avoid arbitrary pixel values causing design inconsistency.
โ FAQ
How does Tailwind spacing work?
4px base unit with proportional increments: 0=0px, 0.5=2px, 1=4px, 2=8px, 4=16px, 8=32px. Used for margin, padding, and gap.
How to customize base unit?
Modify theme.spacing in tailwind.config.js to change base or add new levels.
Tailwind spacing and rem?
Defaults to rem (0.25rem=4px). rem is relative to root font size, better for responsive design.
How to add more spacing levels?
Add key-value pairs in theme.extend.spacing, e.g., '18':'4.5rem' for m-18 classes.
Is data uploaded?
No. All configuration and code generation runs locally.