Assembly Line

Bitly vs Kutt

Bitly and Kutt are both URL shortener software. Bitly is a commercial product from Bitly. Kutt is open source under MIT, with 11k GitHub stars.

Which to pick

Pick Bitly when
Marketing teams need branded short links and QR codes with click analytics across campaigns.
Pick Kutt when
You want a modern self-hosted Bitly alternative with a clean interface.

Side by side

What it does

Creates short links and QR codes with click tracking, custom domains and campaign reporting.

A URL shortener with custom domains, link editing, statistics and user management, available as kutt.to or self-hosted.

Watch out

The free plan is now tight, and links or QR codes can stop working if a paid plan lapses.

The old kutt.it domain is no longer theirs and may be a phishing site; use kutt.to or your own instance.

Ready for

Production-ready (both)

Runs as

Cloud service

Self-hosted server and cloud service

Built with

Not published

JavaScript, Node.js, Express, SQLite, PostgreSQL and Redis

Source code

Closed source, sold by Bitly

Open source, MIT (permissive)

What the license allows

Closed source: you use it under the maker's terms and cannot change or resell the code.

You can build it into a product you sell, as long as you keep its copyright notice.

How widely known

16k Wikipedia readers a month on phones

11k GitHub stars

How established

Not known

Established: started 8 years ago, latest release v3.2.6.

Other comparisons

More URL shorteners

Every URL shortener product and project, ranked

Both sides were judged on 2026-11-03 from makers' descriptions, Wikipedia, READMEs and GitHub data. License, age and popularity lines are worked out directly.