Dynamic Range
Get a free API key + new tools as they ship
100 calls/day, no card, no spam. Built by one person, in public.
About Dyn Range
Working with audio editing no longer requires installing heavy desktop software — Dyn Range runs entirely in your browser, instantly. Built to be the kind of tool you bookmark and use weekly: no surprises between visits, no degraded free tier, and a UI that gets out of the way. If you find yourself doing this regularly, the rest of the audio suite covers most adjacent tasks with the same approach.
When you'd reach for Dyn Range
You're hitting the daily limit of a paid SaaS and need a backup option for a single quick job.
Marketers and ops people whose primary tool is metered.
Stay productive without burning credits.
You need to handle a one-off task right before a meeting and don't have time to install anything.
Anyone working remotely on a borrowed or restricted machine.
Open the page, get the result, paste it into your doc — under a minute.
You're on a public or shared machine and don't want to leave traces of what you're working on.
Travelers, contractors, anyone working from a friend's computer.
Nothing is uploaded, nothing persists if you're not signed in.
You're cleaning up a folder of files that accumulated over a project and need to standardize them.
Designers, writers, and developers wrapping up deliverables.
Drop each file in, copy the output, move on.
Frequently asked about Dyn Range
- Does Dyn Range work on mobile?
- Yes, Dyn Range is fully responsive and tested on iOS Safari and Android Chrome.
- What browsers does Dyn Range support?
- Every modern browser released in the last three years: Chrome, Firefox, Safari, Edge, Brave, Opera.
- Will Dyn Range change my original file?
- Never. Dyn Range only reads your input file and produces a new output file.
- Are my files uploaded to a server when I use Dyn Range?
- Dyn Range processes everything in your browser using local APIs. Your files never leave your device.
- Do I need to create an account to use Dyn Range?
- No. Dyn Range works without any signup. We only ask for an email if you decide to subscribe to a paid plan.
