Audio & Video Noise Mixer
Type: Listening Tool
Mix speech or audio with different background noises and control levels. Useful for speech-in-noise listening practice or simulating real-world sound environments.
Speed Listening Tool
Type: Listening Tool
Play speech faster or slower while keeping pitch natural. Use it for speed listening practice, testing comprehension at higher speeds, or previewing audio quickly.
HTML Previewer
Type: Developer Tool
Paste HTML, CSS, and JavaScript and see the result instantly in your browser. Includes device-width presets and sandboxed preview, useful for quick testing and debugging.