Free, honest tools for your ears — and the invisible stuff

Every tool here runs in your browser, costs nothing, and asks for nothing. No account, no email, no “upgrade to unlock.” They exist because hard-to-explain conditions deserve honest, hands-on tools instead of fear and upsells. This collection keeps growing.

✓ No sign-up · no upsell · nothing to buy

The Tinnitus Simulator

Build the exact sound in your ears — tone, hiss, buzz, or crickets — so you can finally show someone what you hear.

Open the simulator →

What Tinnitus Sounds Like

One-tap presets of the most common tinnitus types. The fastest way for a friend or family member to hear it.

Experience it →

ASMR Sound Studio

A calming soundboard plus notched, masking, and Eastern wellness tools — for sleep, focus, and relief.

Mix some calm →
Honest

The Frequency Reality Check

Hear “528 Hz healing” and friends on a real spectrum scope, take a blind A/B test, and see what the numbers actually do.

Check the claims →
Sells nothing

The Honest Hearing Guide

A conflict-free router: red-flag safety check first, then plain-language OTC vs prescription vs PSAP — with real prices and scam-tells.

Get un-confused →
New

Time Blindness Demo

A 30-second challenge that lets anyone feel how ADHD warps time — then share it with someone who calls it laziness.

Feel the gap →
New

The Energy Envelope

Plan an ordinary day on a hidden energy budget, then feel the delayed PEM crash — the “why I can’t just push through” of ME/CFS & long COVID.

Feel the limit →
New

What Hearing Loss Sounds Like

Slide from normal hearing to profound loss and hear birdsong, music & speech fade in real time — why the words go before the sound does.

Hear it →
New

What Reading Feels Like With Dyslexia

Feel the effort reading can cost — then an honest correction of the biggest myth: it’s not the letters dancing, it’s sound and symbol.

Try to read it →
New

Colorblindness Simulator

Switch a real scene between types of color vision deficiency — and see why “red means stop, green means go” fails 1 in 12 men.

See it →
New

Low Vision Simulator

Macular degeneration, glaucoma tunnel vision, cataracts & blur on a real scene — and why “blind” is rarely total darkness.

See it →
Learn & explore
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