License Lenspermissions at cc0.app

Public domain, made practical

Use creative work
with confidence.

Free tools and plain-English guides for understanding CC0, the public domain, and Creative Commons licenses.

Check a license Read the official source

Tools

Start with a clear answer

Everything runs in your browser. No account, uploads, or stored tool input.

License compatibility checker
Match a source license to commercial use, adaptations, redistribution, or education.
Open tool
CC0 notice generator
Create a clear, copy-ready CC0 notice for work you control.
Open tool
License permissions
See what a license allows and what it asks you to do.
Open tool
Compare licenses
Compare CC0, the Public Domain Mark, and CC licenses side by side.
Open tool

Clarity over claims

Copyright is only one layer.

CC0 can address copyright and related rights held by the person applying it. It does not automatically clear trademarks, patents, privacy, publicity, or rights held by other people.

Review CC0 1.0 Universal

Site network

One system, distinct products

Each property has its own descriptive identity and search focus while sharing trusted sources, legal standards, and navigation.

License Lenspermissions at cc0.app

License answers and permissions. Designed for license.cc0.app.

Live in the hub
Open Media Indexmedia.cc0.app

Public-domain media research. Reserved for media.cc0.app.

Planned
Public Text Toolstext.cc0.app

Text and document utilities. Reserved for text.cc0.app.

Planned

Field guides

Understand the details

01What is CC0?02CC0 vs. public domain03Can you use CC0 commercially?