How do I apply a Creative Commons licence to my work?
Apply a Creative Commons license by attaching the license notice to your work and sharing it. No registration exists. The license takes effect the moment you publish with the notice. The exact license condition you choose controls what others may do. The decisive exception: you cannot withdraw the license from anyone who received the work while complying with its terms. Use the official Creative Commons chooser to generate your notice, then verify that every component of your work is yours to license before you publish.
Marking Online Works: The Workflow
For a work published on a website, blog or platform, embed the license notice in the page metadata or in a visible footer. The notice must identify the work and creator, name and link the exact license and version, and clearly exclude any material not covered. Creative Commons provides a chooser tool that generates HTML for this. Copy the code into your page's head or body. If your platform uses a dedicated credit field, fill it with the chooser output.
Copyable Notice Examples
For a photograph you license under CC BY 4.0, paste this near the image: 'Photo by [Your Name]. Licensed under CC BY 4.0.' Link the phrase 'CC BY 4.0' to the official CC BY 4.0 legal code. For a text document under CC BY-SA 4.0, use: '© [Year] [Your Name]. This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.' Link the license name to the CC BY-SA 4.0 legal code. For a dataset under CC0 1.0, mark it: 'This data is dedicated to the public domain under CC0 1.0.' Link to the CC0 1.0 legal code.
Explicit Treatment of Third-Party Material
If your work includes third-party content such as a photo, a clip or text you do not own, you cannot license that component under your CC license. The notice must list the excluded material. Write: 'This work is licensed under CC BY 4.0 except where noted. The image on page 3 is used with separate permission and is not covered by this license.' If you cannot identify the copyright holder for a sample, do not apply a CC license. The safe rule: only license what you control. A CC license does not verify ownership, and a recipient who assumes everything is covered may face liability.
Marking Offline Works: Physical Labels and Digital Files
For a physical object, attach a visible label. Print the license name, version and URL. A book cover gets: '© [Year] [Author]. This book is licensed under CC BY-NC-ND 4.0. See the CC BY-NC-ND 4.0 legal code for terms.' A sculpture displayed in a gallery needs a small placard beside it: 'Artist: [Name]. License: CC BY-SA 4.0. Share alike under the same terms.'
For a digital file distributed by email, USB drive or download, embed the notice in the file metadata. JPEG and PNG images allow a caption or comment field. PDFs let you add a footer. For a video, include a credit frame at the end that states: 'Licensed under CC BY 4.0. Creative Commons Attribution 4.0 International.' For an audio track, state the license in the file's ID3 tags or in a text file included in the download folder. Always link the exact legal code URL. Never assume the recipient will search for it.
| Element | Why It Is Needed | How to Present It |
|---|---|---|
| Work title or name | Identifies which work is licensed | Use the title as supplied; if none, describe the work |
| Creator or attribution party | Required by the Attribution condition under 4.0 | Name the copyright holder or the person designated to be credited |
| License name and version | Tells the recipient the exact terms | Write 'CC BY 4.0' and link to the legal code |
| Source URI or hyperlink | Where the work can be obtained or verified | Include the full URL where the work lives |
| Exclusion of third-party material | Prevents confusion about what is covered | List excluded elements and their separate permissions |
| Modification indication | Required under 4.0 if the work has been changed | State 'Adapted from [original]' or list changes |
The Failure Cases You Must Plan For
Licensing Material You Do Not Fully Own
The most common error is applying a license to material you do not fully own. Joint authors, commissioned work, employer ownership and samples all create shared rights. Get permission from every co-author before you apply a CC license. If your work uses a sample from an unknown source, do not license it. A CC notice that covers unlicensable material misleads reusers and can expose you to legal action.
Wrong Version, Wrong Jurisdiction
Always use 4.0 for new works unless you have a specific, informed reason to use an older version or a port. Version 4.0 is international and has no jurisdiction-specific ports. A license already attached to someone else's work cannot be upgraded by you. If you reuse a CC-licensed work from 2008 under version 3.0, the 3.0 terms remain in effect for that work.
Platform Terms That Override Your License
If you upload a CC-licensed video to a platform that requires an exclusive license or imposes DRM, the platform terms may override the CC license. The CC license does not grant the platform the right to add technological measures that restrict downstream users. Check the platform's current terms before you rely on a CC badge. YouTube's built-in CC option has historically been CC BY, but verify its current help page. Do not assume music, clips or other components share the video's license.
Common Questions
Do I need to register my work with Creative Commons before applying a license?
No. No registration with Creative Commons is required. The license is effective the moment you share the work with the attached notice. The official chooser helps create the notice but does not validate ownership.
What happens if I later change my mind about the license?
You cannot withdraw the license from people who already received the work while complying with its terms. Dual licensing is permitted; you may offer the same work under a different license to new recipients. You can stop distributing the work, but existing compliant reusers keep their rights.
How do I mark a work that includes material I do not own?
List the excluded material in the notice. Write: 'This work is licensed under CC BY 4.0 except where noted. The clip on track 3 is used under separate permission and is not covered by this license.' If you cannot identify the copyright holder for a component, do not apply a CC license at all.
What is the difference between CC0 and the Public Domain Mark?
CC0 is a public domain dedication with a waiver of rights and a fallback license. The Public Domain Mark is a label for material believed free of known copyright restrictions worldwide. CC0 changes legal status; PDM does not. Neither tool guarantees that other laws such as privacy or publicity rights permit a use.
Can I apply a CC license to software code?
No. Use a recognised free or open source software license suited to source code, patents and distribution. Documentation, art and other non-code assets may carry separate CC licenses if they are marked clearly.