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

No. CSS Gap runs in this browser tab. Files stay on the device. Limit note: 0–4 rem. CSS only. Copy in this tab.

Should I use CSS Letter Spacing instead of CSS Gap?

Use CSS Gap when you need Build a gap rem rule. Use CSS Letter Spacing when you need Build a letter-spacing em rule. They share a category (Design) but not the same job.

CSS Gap

Build a gap rem rule.

Outputs gap: N rem from 0 to 4. Unlike CSS Letter Spacing this is flex/grid gap, not tracking. Unlike CSS Word Spacing this is not word gaps in a sentence. Copy the rule in this tab.

What CSS Gap does

Outputs gap: N rem from 0 to 4. Unlike CSS Letter Spacing this is flex/grid gap, not tracking. Unlike CSS Word Spacing this is not word gaps in a sentence. Copy the rule in this tab.

CSS Gap sits in the Design group on purpose. It is not CSS Letter Spacing (Build a letter-spacing em rule.) and not CSS Word Spacing (Build a word-spacing em rule.). Choose this page when you need Build a gap rem rule. If you stretch CSS Gap into a neighbor’s job, the result will look wrong even though the site chrome looks the same.

How to use CSS Gap

Use CSS Gap for this design job (css gap). CSS Letter Spacing is adjacent (Build a letter-spacing em rule.) but not the same.
Add the file type CSS Gap accepts. Hint from the path: css gap. Build a gap rem rule.
Set only the options that match CSS Gap. Neighbor CSS Word Spacing does something else (Build a word-spacing em rule.). Tool note: Outputs gap: N rem from 0 to 4. Unlike CSS Letter Spacing this is flex/grid gap, not tracking. Unlike CSS Word Spacing this is not word gaps in a sentence. Copy the rule in this tab.
Run CSS Gap in this tab. Browser memory still applies: 0–4 rem. CSS only. Copy in this tab.
Download or copy the result from CSS Gap. If it is the wrong job, open CSS Letter Spacing instead.

When not to use CSS Gap

Skip CSS Gap when a neighbor tool matches better — start with CSS Letter Spacing or CSS Word Spacing — or when the description already warns the job will fail. In the tool’s own words: Outputs gap: N rem from 0 to 4. Unlike CSS Letter Spacing this is flex/grid gap, not tracking. Unlike CSS Word Spacing this is not word gaps in a sentence. Copy the rule in this tab.

Questions about CSS Gap

What does CSS Gap do that other Design pages on this site do not?: Outputs gap: N rem from 0 to 4. Unlike CSS Letter Spacing this is flex/grid gap, not tracking. Unlike CSS Word Spacing this is not word gaps in a sentence. Copy the rule in this tab. Short version: Build a gap rem rule.
Does CSS Gap upload my file or text to Tool-You servers?: No. CSS Gap runs in this browser tab. Files stay on the device. Limit note: 0–4 rem. CSS only. Copy in this tab.
Should I use CSS Letter Spacing instead of CSS Gap?: Use CSS Gap when you need Build a gap rem rule. Use CSS Letter Spacing when you need Build a letter-spacing em rule. They share a category (Design) but not the same job.
What are the limits of CSS Gap?: 0–4 rem. CSS only. Copy in this tab. Also: Outputs gap: N rem from 0 to 4. Unlike CSS Letter Spacing this is flex/grid gap, not tracking. Unlike CSS Word Spacing this is not word gaps in a sentence. Copy the rule in this tab.