tonal.fm
Offline Edition

tonal.fm Pro

All 17 professional audio tools in one file. No install, no internet, no ads — just open and go. Yours for a single one-time purchase.

Get Pro — $9Try the free web tools

$14.99Launch price · One-time payment · No subscription

100% Offline

Every tool runs locally in your browser. No internet, no server, works anywhere.

Zero Ads

A clean, distraction-free workspace. No banners, no trackers, no pop-ups.

No Install Required

Just a single HTML file. Open it in any browser — Chrome, Firefox, Safari, Edge.

One-Time Purchase

Pay once, own it forever. No subscriptions, no recurring fees, no account needed.

Free web tools vs. tonal.fm Pro

Same trusted tools. Pro adds offline access, removes ads, and fits in a single file.

FeatureFreePro
All 17 audio tools
Works in your browser
Requires internet
Ad-free experience
Works fully offline
Single portable file
Free updates

17 tools, one file

Everything on tonal.fm, bundled together and ready offline.

Tone GeneratorPro Tone GeneratorMulti-Tone GeneratorSweep GeneratorBinaural BeatsDTMF TonesMetronomeNoise GeneratorInstrument TunerSubwoofer TestHearing TestSolfeggio FrequenciesSpeaker Balance TestPitch PipeShepard ToneMosquito ToneSoundscape Builder

tonal.fm Pro

$9$14.99

One-time purchase · Free updates

Buy & Download

Any Browser

Chrome, Firefox, Safari, Edge

Any OS

Windows, macOS, Linux, ChromeOS

Portable

Fits on a USB stick

Frequently asked questions

What is tonal.fm Pro?

tonal.fm Pro is the offline, ad-free edition of tonal.fm. It's a single HTML file containing all 17 professional audio tools. Just open it in any browser — no install, no internet required.

How is it different from the free website?

The free web tools require internet and show ads. tonal.fm Pro is a one-time purchase that removes all ads and works completely offline. It's a single file you can keep on your computer, USB drive, or cloud storage.

Is it a subscription?

No. tonal.fm Pro is a single one-time purchase of $9. You own the file and there are no recurring fees.

What browsers does it work in?

tonal.fm Pro works in any modern browser — Chrome, Firefox, Safari, Edge, and more. It uses the Web Audio API which is supported by all major browsers.

Does it work offline?

Yes. The entire app is self-contained in a single HTML file. No internet connection is needed — it works anywhere, including air-gapped environments.

How do I get the download?

Purchases are handled securely through Gumroad. After checkout you receive an instant download of the HTML file and access to future updates.