Does ReflowPDF support the CSS property -webkit-backface-visibility?

pixel-exact: Our rendering of the example is identical to Chrome's, pixel for pixel — no further apart than the example's own noise floor. Measured against Chrome on 1 example; the renders and the difference maps are published at https://reflowpdf.com/conformance/css/-webkit-backface-visibility.

Dataset 20261001-0535-e08c90a · measured 2026-10-01 05:35 UTC

-webkit-backface-visibility

✓pixel-exactcompat

Our rendering of the example is identical to Chrome's, pixel for pixel — no further apart than the example's own noise floor.

What the specification says

Syntax: visible | hidden

compat definition

The measurements

One example. Each is one declaration on a small page, drawn by Chrome and by our engine. Drag the handle to wipe between them.

-webkit-backface-visibility:hidden✓pixel-exact

Chrome of this test — Left of the line is our rendering; right of it is the chrome. Drag, or focus the slider and use the arrow keys.

Our render of this test — Left of the line is our rendering; right of it is the chrome. Drag, or focus the slider and use the arrow keys.

Identical to Chrome: nothing differs, so there is no difference map to show.

Differing pixels: 0
Max channel delta: 0

the example page

Which values were measured

“Supported” on one example means “supported at the value we tried”. The property’s declared grammar has 2 branches; 1 of them carry a measurement. The publishing ceiling is 12 examples per property — a branch past it is left out by our choice, not by accident.

Value	Measured
visible	not measured
hidden	✓pixel-exact

Measured against Chrome 148.0.7778.96 on 2026-10-01, with up to 40 candidate values tried per property. All properties · How the measurement works

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