Free tools to boost your
marketing success.
Powerful free tools for marketers and developers. No signup required. Use these tools to optimize your campaigns and track performance.
UTM Builder
Create properly formatted UTM parameters for your marketing campaigns. Ensure consistent tracking across all your campaigns.
- Build UTM parameters in seconds
- Save campaign templates
- Preview final URLs
- Export to CSV
QR Code Generator
Generate custom QR codes with your brand colors and logo. Track scans and optimize your marketing campaigns.
- Custom colors and logos
- High-resolution output
- Download as PNG/SVG
- Scan tracking included
Link Checker
Verify your shortened links are working correctly. Check for broken links and redirect chains.
- Check link status
- Detect redirect chains
- Verify SSL certificates
- Bulk checking
Redirect Tester
Test your URL redirects and see exactly what happens when someone clicks your link.
- Trace redirect path
- Check HTTP status codes
- View headers
- Test timing
URL Shortener API
Integrate URL shortening into your applications with our REST API. Full documentation and code examples.
- RESTful API
- Code examples
- Rate limits explained
- Webhooks support
Link Preview
See exactly what your link looks like when shared on social media. Preview Open Graph and Twitter cards.
- Open Graph preview
- Twitter Card preview
- Facebook preview
- LinkedIn preview
Need more features?
Upgrade to K2V Pro for advanced analytics, custom domains, team collaboration, and more.
How we compare
See why thousands choose K2V over other tools.
| Feature | K2V | Bitly | Rebrandly |
|---|---|---|---|
| UTM Builder | Free | Paid only | Paid only |
| QR Code Generator | Free | Paid only | |
| Link Checker | Free | ||
| API Access | Included | $5/mo add-on | |
| Custom Domains | 5 included | Add-on |