Branded short links, vector QR codes & privacy analytics
Shorten any URL in milliseconds. Connect your own custom domain for free. Track real-time visitor clicks with zero cookies or tracking pixels.
How UL0 Works
Streamlined three-step process to shorten, brand, and track any destination URL.
Paste Your Link
Drop any long, messy, or UTM-tagged URL into the shortener box above.
Generate & Brand
Instantly receive your lightning-fast 301 short link with dynamic QR code preview.
Monitor Telemetry
Inspect visitor device breakdown, geographical locations, and referrers with full privacy.
Everything you need to master your link infrastructure
From instant public shortening to enterprise custom domains and vector QR codes, all powered by global edge servers.
Instant Short Links
Shorten any URL in milliseconds without signup. Custom slugs, permanent 301 redirects, and zero link expiration.
Custom Branded Domains
Connect link.yourbrand.com in 60 seconds with automated SSL. Included free on every plan with zero DNS headaches.
Real-Time Analytics
Track visitor country, device type, browser, and referrer in real time without cookies, IP storage, or privacy breaches.
Vector QR Code Studio
Generate crisp dynamic SVG/PNG vector QR codes with embedded logos and live redirect destinations.
Automated Threat Defense
Every link is scanned in real time against malicious phishing lists, ensuring 100% brand safety for your audience.
Developer REST API
Create, inspect, and manage links programmatically with lightning-fast JSON API endpoints and SDKs.
Free forever. Upgrade when your brand grows.
No surprises. One custom domain included on every account. Upgrade for high-volume limits.
Free public link management
- Unlimited short links on ul0.site
- 1 custom domain connection
- Standard dynamic QR codes
For creators & small startups
- 3 custom branded domains
- 100 custom domain links
- Real-time click & country analytics
- Custom UTM parameters
For agencies & high volume teams
- 10 custom branded domains
- Unlimited domain links
- Full API access & webhook relay
- Priority 24/7 developer support
Frequently Asked Questions
Is UL0 completely free to use?+
Yes. The public shortener on ul0.site is 100% free to use with permanent link durability and zero credit card required. Upgrading unlocks custom domains, detailed geo analytics, and UTM builders.
Do shortened links ever expire?+
Never. Short URLs created on UL0 are permanent and will reliably redirect forever.
Can I connect my own branded domain?+
Yes! You can connect your domain (like link.yourbrand.com or yourcompany.to) with 1 free custom domain included on every account with automated SSL.
Does UL0 use tracking cookies or sell visitor data?+
No. UL0 is privacy-first. Our analytics engine records aggregate country, device, and referrer counts without cookies, IP storage, or personal telemetry tracking.
Can I generate high-res QR codes for print?+
Yes. Every link has a companion vector QR code studio supporting custom colors, embedded center icons, and high-DPI downloads for packaging, print flyers, and billboards.
Is there a developer REST API?+
Yes. You can create, inspect, and delete links programmatically using standard JSON endpoints and API tokens from your dashboard.
Ready to elevate your link presence?
Join thousands of creators, founders, and developers using UL0 for clean, branded short links and instant QR codes.
