Free URL Shortener
Turn long URLs into short, memorable links in one click.
os.md is a fast, free URL shortener that creates ultra-short links using the compact .md domain. A typical link is only 10 to 12 characters, shorter than most other services. Paste any long URL and get a shareable link instantly. No account needed, no ads, no tracking cookies.
Ultra-short linksThe .md domain keeps links as compact as possible, typically just 10 to 12 characters like os.md/abc.
Custom slugsChoose your own slug for branded or memorable links, for example os.md/my-link.
Click trackingSee how many times each link has been clicked. Logged-in users get detailed analytics with browser, OS, country, and referrer data.
Password protectionRequire a password before visitors are redirected to the destination URL.
Link expirationSet an expiry date so links automatically stop working after a specific date.
No account requiredStart shortening URLs immediately. Create a free account later to manage and edit your links from any device.
How It Works
- Paste your long URL into the input field on the homepage.
- Click "Shorten URL" to generate your short link.
- Copy and share your new os.md link anywhere: social media, email, presentations, or print.
Frequently Asked Questions
Is this URL shortener really free?
Yes, os.md is completely free. There are no premium plans, no ads, and no limits on how many links you can create.
Do shortened links expire?
By default, short URLs never expire. You can optionally set an expiry date on any link if you want it to stop working after a certain time.
Can I customize my short URL?
Yes. Click "Custom short URL" and enter your preferred slug. For example, os.md/my-brand. Logged-in users can also edit slugs later.
Do I need an account to shorten URLs?
No. You can shorten URLs without an account. Creating a free account lets you manage, edit, and track all your links from any device.
How short are the links?
Links use the ultra-short .md domain. A typical link is only 10 to 12 characters, like os.md/abc, shorter than bit.ly or tinyurl.com links.