Reader Matt McCorkle has shared a free, browser-based Halloween sound effect soundboard.

It’s an interactive Javascript web app that lets you to create eerie ambiances, twist music into otherworldly soundscapes, and trigger & tweak scary sounds.

Try it out at the Halloween Soundboard site.

Note: McCorkle has also shared a sample collection that features the sounds of the Halloween Soundboard. They’re licensed for free non-commercial and commercial use – see the download for details.