Harm reduction
for your festival

one line of code · free forever · no data collected · 14 languages

what it does

💬
AI harm reduction chat
Attendees ask anything about substances, dosages, combinations, and effects. Answers grounded in Erowid, TripSit, and PsychonautWiki.
⚗️
Combination checker
80+ documented substance combinations with safety ratings. AI analysis for any unlisted combination.
🆘
Crisis support
Detects distress language and surfaces crisis resources including Fireside Project and local emergency numbers.
🌍
14 languages
EN, PT, ES, DE, FR, NL, EL, IT, PL, RU, TR, ZH, JA, KO — set the default for your attendees.
🎨
Your branding
Custom accent colour, button label, and light/dark theme to match your festival aesthetic.
🔒
Zero data collection
No cookies, no tracking of attendees, no personal data stored. GDPR compliant by design.

embed in one line

Drop this into your website before the </body> tag. That's it.

<script src="https://psychnosis.org/widget.js"></script>

customise for your festival

<script src="https://psychnosis.org/widget.js" data-theme="dark" data-lang="en" data-accent="#ff6b35" data-label="harm reduction" data-position="right"> </script>

configuration options

data-theme
"dark" | "light"
Dark background (default) or light — match your website
data-lang
en, pt, es, de, fr, nl, el, it, pl, ru, tr, zh, ja, ko
Default language. Attendees can switch inside the widget.
data-accent
any hex colour
Button and highlight colour — use your festival colour
data-label
any text
Text on the floating button. Default: "harm reduction"
data-position
"right" | "left"
Which corner the button sits in. Default: right

preview

this is what your attendees will see in the corner of your site

harm reduction

clicking opens a full harm reduction chat interface

who is using it

Psychnosis is free, open, and available to any festival, event, or harm reduction organisation. We've reached 20+ countries with 400+ queries from real users. If you're running a harm reduction initiative and want to discuss a collaboration, we'd love to hear from you.

Ready to add harm reduction to your event? Drop us a message and we'll help you set it up.

[email protected] ↗ try the app first ↗
free · open source · no data collected from your attendees · psychnosis.org