Design an award or achievement certificate and download it as a 1400x990 PNG.
Open a PDF in the browser and inspect page by page.
Combine images into a single PDF, in your order.
Extract or drop pages and download the result.
Generate tones and effects with the Web Audio API.
Shift pitch and playback rate of any audio file.
Entropy, crack-time estimates and weakness checks.
Build linear and radial gradients, copy the CSS.
