Target Rectangle Spacing Check
Check exact 24 CSS pixel target-size and spacing geometry for a supplied rectangle layout.
Loading tool…
How to use Target Rectangle Spacing Check
Review a proposed set of clickable rectangles with an explicit geometric witness for every undersized target. Decimal hundredths are calculated exactly, including boundary tangencies, without claiming to inspect a real page or certify accessibility.
- Enter input.
- Choose the settings for target rectangle spacing check, then run the tool.
- Review the result and any limitations before copying or downloading it.
Good to know
- 100 axis-aligned rectangles with positive sizes, coordinates within 1,000,000 CSS px and at most two decimal places.
- Only the supplied geometry is checked. Inline, equivalent, user-agent, essential and other exceptions require human review; actual target behavior and page zoom are not audited.
- Processing is local. Output is limited to 1,000,000 text characters unless a stricter file limit is stated.
Common questions
Do circles that exactly touch fail the spacing check?
No. This profile checks interior overlap. Exact tangency is reported separately, and the supplied hundredth-pixel coordinates are compared with integer arithmetic.
Is this input sent to a server?
No. The application processes this input inside your browser tab and does not save it to persistent storage.
Keep going with related tools
All accessibility →Color Contrast Checker
Calculate WCAG sRGB contrast and report AA/AAA text thresholds for two opaque colors.
AccessibilityText Spacing Preview
Compare plain text at default and enhanced spacing using a controlled browser preview.
EducationDeclared Classroom Seat Plan
Print an authored seat grid and check declared apart-pair adjacency rules without assigning people automatically.
MathExact Rectangle Union and Coverage Depth
Measure total covered area and overlap-depth areas from bounded axis-aligned rectangle layouts.