Audio Tools
Mic level meter, headphone and speaker diagnostics, approximate dB readout from the microphone, stereo sweeps, and low-frequency sine tests—all in your browser tab.
How to use
- Open the hub and scan the focused tools.
- Choose the utility that matches the file, device, or workflow you need.
- Run the tool in your browser and keep sensitive inputs on your device whenever the tool supports local processing.
- Use related tools from the same hub when the task needs validation, conversion, checking, or follow-up diagnostics.
FAQ
What is this tool hub for?
It groups related ZonoTools utilities so you can move from a broad task to the exact tool quickly.
Do these tools require an account?
No. The hub and linked tools are designed for direct use in the browser.
Is my data uploaded?
Many tools run locally in your browser. When a tool needs network access, its page explains the behavior.
Audio Tools
Use this hub when you know the type of task but still need the right focused utility. It keeps related tools together, so formatting, testing, checking, and conversion steps are easier to discover.
Microphone level checks, relative dB meter, and Web Audio speaker tests including sweeps and bass tones — all locally in your browser.
Workflow tips
Start with the most specific tool whenever possible. If the result points to another step, return to the hub and continue with a validator, converter, analyzer, or diagnostic tool from the same cluster.
Privacy and browser behavior
Many tools run locally in your browser. When a tool needs network access, its page explains the behavior.