WCAG 2.1 · Level AA · Perceivable
WCAG 1.4.12 — Text Spacing
No loss of content when users override line height, paragraph, letter, and word spacing within set limits.
WCAG 1.4.12 at a glance
Level AA · Principle: Perceivable · Added in WCAG 2.1. Level AA is the conformance target for the ADA, EAA, and Section 508.
What it means
No loss of content when users override line height, paragraph, letter, and word spacing within set limits.
Who it helps
Users with dyslexia and low vision who adjust spacing for readability.
Common failures
- Fixed-height text containers that clip when spacing increases
How to meet WCAG 1.4.12
- Avoid fixed heights on text containers
- Let content expand with spacing overrides
How to test it
Manual — apply the text-spacing bookmarklet and check for clipping.