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Utils

Small tools, made
because I needed them twice
and once was enough.

Contrast checker

Two hex values in, WCAG verdicts out. Live — edit either field.

6.99AA normalPassAA largePassAAA normalFail

Alt-text linter

Paste HTML. It counts the images and tells you which ones ship without an alt attribute.

Paste markup to check.0 img · 0 decorative

Bandwidth simulator

What this page costs on the connection your visitors actually have.

0.49s88 KB payload · estimated · at 180 KB/s

Image optimizer

Drop a PNG or JPG, get WebP and AVIF back with the sizes side by side. Nothing leaves your browser.