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Pocket Metronome
A precise metronome in the toolbar: 30-250 BPM, tap tempo, time signatures up to 7 beats, drift-free WebAudio clicks.
Melody Lab
Hum an idea into the browser: play melodies from your computer keyboard, layer a drum loop and save three patterns.
Page Ruler Tool
Measure anything on a page in pixels: crosshair with live coordinates, drag-to-measure rectangles with width, height and diagonal.
Anchor Inspector
Inspect the anchors of a live page: destination, rel flags, target, accessible name and any accessibility or security problem, with a filter per finding type.