Does CSS Aspect Pad upload my file or text to Tool-You servers?

No. CSS Aspect Pad runs in this browser tab. Files stay on the device. Limit note: Width > 0 and height ≥ 0.

Should I use Aspect Ratio instead of CSS Aspect Pad?

Use CSS Aspect Pad when you need padding-top % for an aspect ratio. Use Aspect Ratio when you need Simplify ratios and scale to a target size. They share a category (Design) but not the same job.

CSS Aspect Pad

padding-top % for an aspect ratio.

Computes padding-top percent from width/height. Unlike Aspect Ratio calculator this emits CSS. W ≤ 0 fails.

What CSS Aspect Pad does

Computes padding-top percent from width/height. Unlike Aspect Ratio calculator this emits CSS. W ≤ 0 fails.

Practical limit for CSS Aspect Pad: Width > 0 and height ≥ 0. That is why output can differ from heavy desktop Design software. Read the tool-specific note again: Computes padding-top percent from width/height. Unlike Aspect Ratio calculator this emits CSS. W ≤ 0 fails.

How to use CSS Aspect Pad

Use CSS Aspect Pad for this design job (design · css aspect pad). Aspect Ratio is adjacent (Simplify ratios and scale to a target size.) but not the same.
Add the file type CSS Aspect Pad accepts. Hint from the path: design · css aspect pad. padding-top % for an aspect ratio.
Set only the options that match CSS Aspect Pad. Neighbor CSS Gap does something else (Build a gap rem rule.). Tool note: Computes padding-top percent from width/height. Unlike Aspect Ratio calculator this emits CSS. W ≤ 0 fails.
Run CSS Aspect Pad in this tab. Browser memory still applies: Width > 0 and height ≥ 0.
Download or copy the result from CSS Aspect Pad. If it is the wrong job, open Aspect Ratio instead.

When not to use CSS Aspect Pad

Skip CSS Aspect Pad when a neighbor tool matches better — start with Aspect Ratio or CSS Gap — or when the description already warns the job will fail. In the tool’s own words: Computes padding-top percent from width/height. Unlike Aspect Ratio calculator this emits CSS. W ≤ 0 fails.

Questions about CSS Aspect Pad

What does CSS Aspect Pad do that other Design pages on this site do not?: Computes padding-top percent from width/height. Unlike Aspect Ratio calculator this emits CSS. W ≤ 0 fails. Short version: padding-top % for an aspect ratio.
Does CSS Aspect Pad upload my file or text to Tool-You servers?: No. CSS Aspect Pad runs in this browser tab. Files stay on the device. Limit note: Width > 0 and height ≥ 0.
Should I use Aspect Ratio instead of CSS Aspect Pad?: Use CSS Aspect Pad when you need padding-top % for an aspect ratio. Use Aspect Ratio when you need Simplify ratios and scale to a target size. They share a category (Design) but not the same job.
What are the limits of CSS Aspect Pad?: Width > 0 and height ≥ 0. Also: Computes padding-top percent from width/height. Unlike Aspect Ratio calculator this emits CSS. W ≤ 0 fails.