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Free physics certifications

Certifications that prove you can solve the problem.

Earn shareable, verifiable certificates by working real physics problems on a board that checks every step: the forces, the axes, the equations and the units.

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1 course·100% free
108,354certificates issued
2+unique certificates
1journey
$0forever free

Browse all physics certifications

Pick a course. Each one awards a separate certificate per section, so you collect them as your physics builds.

How it works

Three steps from your first vector to a certificate you can show off.

  1. 01

    Pick a course

    Choose a physics course and start with the first lesson, no card and no signup wall.

  2. 02

    Solve through the section

    Each section is a series of lessons and problems you solve in steps: axes, forces, equations with units, then the answer, each step checked.

  3. 03

    Earn and share your certificate

    Finish the section to unlock a verifiable certificate with a unique ID. Add it to LinkedIn, a school application or your CV in one click.

Here's what you'll receive

A clean, professional certificate of completion with your name, the section you finished, the date, and a unique verification ID, ready to share or print.

  • Personalized with your full name
  • Unique verification ID + public URL
  • High-quality PDF download
  • One-click "Add to LinkedIn" integration

Verify a certificate

Have a certificate ID? Enter it below to confirm the certificate is genuine and view it.

Frequently asked questions

How do I get a physics certificate on Coddy?
Pick a physics course and complete a section: finish every lesson and problem in it. The certificate is generated the moment the last lesson is done and added to your account.
Is a physics certificate from Coddy accredited?
No. Coddy is not a school and does not award academic credit. The certificate records that you solved every problem in a section yourself, on a board that checks each step, which a tutor, a teacher or a portfolio can use.
Are Coddy's physics certificates free?
Yes. Every certificate is free to earn, view, download and share, with no subscription needed.
How does someone verify a physics certificate?
Every certificate has a unique ID and a public URL. Anyone can paste the ID into the verifier on this page or open the URL to see that it is genuine and which section it was issued for.
Can I put a physics certificate on LinkedIn?
Yes. The certificate page has a one-click Add to LinkedIn button, a downloadable PDF and a public link.
How many physics certificates can I earn?
One per section of every physics course. Mechanics is the first section, with more to come.
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