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Cookie Consent Banner

GDPR-compliant cookie consent banner with accept/decline. Remembers user preference via localStorage. Clean design with customizable positioning and colors.

Category: Legal Compatibility: All OS 2.0 Themes Updated: Feb 2026
snippets/plynthr-cookie-consent.liquid
{% comment %}
  Plynthr — Cookie Consent Banner
  https://plynthr.com/snippets/cookie-consent-banner/

  INSTALL:
  1. Create snippets/plynthr-cookie-consent.liquid
  2. Paste this code
  3. Add {%- render 'plynthr-cookie-consent' -%} before </body> in theme.liquid

  CUSTOMIZE:
  - --pcc-bg for background color
  - Edit the text/link below
{% endcomment %}

<style>
  :root {
    --pcc-bg: #1a1a1a;
    --pcc-color: #ffffff;
    --pcc-btn-accept-bg: #10b981;
    --pcc-btn-accept-color: #fff;
    --pcc-btn-decline-bg: transparent;
    --pcc-btn-decline-color: #999;
    --pcc-link-color: #6366f1;
    --pcc-radius: 12px;
    --pcc-max-width: 420px;
    --pcc-bottom: 20px;
    --pcc-left: 20px;
  }

  .plynthr-cookie-banner {
    position: fixed;
    bottom: var(--pcc-bottom);
    left: var(--pcc-left);
    max-width: var(--pcc-max-width);
    background: var(--pcc-bg);
    color: var(--pcc-color);
    padding: 20px 24px;
    border-radius: var(--pcc-radius);
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    z-index: 10000;
    font-size: 13px;
    line-height: 1.6;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
  }

  .plynthr-cookie-banner.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .plynthr-cookie-banner p { margin: 0 0 14px; }

  .plynthr-cookie-banner a {
    color: var(--pcc-link-color);
    text-decoration: underline;
    text-underline-offset: 2px;
  }

  .plynthr-cookie-banner__buttons {
    display: flex;
    gap: 8px;
  }

  .plynthr-cookie-banner__buttons button {
    padding: 8px 18px;
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.1);
    font: inherit;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s;
  }

  .plynthr-cookie-banner__buttons button:hover { opacity: 0.85; }

  .pcc-accept {
    background: var(--pcc-btn-accept-bg);
    color: var(--pcc-btn-accept-color);
    border-color: transparent;
  }

  .pcc-decline {
    background: var(--pcc-btn-decline-bg);
    color: var(--pcc-btn-decline-color);
  }

  @media (max-width: 480px) {
    .plynthr-cookie-banner {
      left: 10px;
      right: 10px;
      max-width: none;
      bottom: 10px;
    }
  }
</style>

<div class="plynthr-cookie-banner" id="plynthr-cookie-banner">
  <p>We use cookies to improve your experience. By continuing, you agree to our
    <a href="/policies/privacy-policy">Privacy Policy</a>.</p>
  <div class="plynthr-cookie-banner__buttons">
    <button class="pcc-accept" data-cookie-accept>Accept</button>
    <button class="pcc-decline" data-cookie-decline>Decline</button>
  </div>
</div>

<script>
  (() => {
    const banner = document.getElementById('plynthr-cookie-banner');
    const KEY = 'plynthr_cookie_consent';
    if (!banner || localStorage.getItem(KEY)) return;

    setTimeout(() => banner.classList.add('is-visible'), 1000);

    banner.querySelector('[data-cookie-accept]')?.addEventListener('click', () => {
      localStorage.setItem(KEY, 'accepted');
      banner.classList.remove('is-visible');
    });

    banner.querySelector('[data-cookie-decline]')?.addEventListener('click', () => {
      localStorage.setItem(KEY, 'declined');
      banner.classList.remove('is-visible');
    });
  })();
</script>

Installation

  1. In your Shopify admin, go to Online Store → Themes → Edit Code
  2. Under Snippets, click "Add a new snippet"
  3. Name it plynthr-cookie-consent
  4. Paste the code above and save
  5. Open layout/theme.liquid
  6. Add {%- render 'plynthr-cookie-consent' -%} just before the closing </body> tag
  7. Update the privacy policy link to match your store's URL

Customization

  • --pcc-bg — Banner background (default: #1a1a1a)
  • --pcc-btn-accept-bg — Accept button color (default: green)
  • --pcc-link-color — Privacy link color (default: indigo)
  • --pcc-max-width — Banner max width (default: 420px)
  • --pcc-bottom / --pcc-left — Position (default: 20px from bottom-left)

Want this installed for you?

I'll add this to your Shopify store, test it, and make sure it's working perfectly. Done within 24 hours.

Install for Me — $29
✓ Installed & tested ✓ Within 24 hours ✓ Any OS 2.0 theme

FAQ

Is this fully GDPR compliant?
This provides a consent UI. For full GDPR compliance, you'll also need to conditionally load tracking scripts based on the user's choice. Consult a legal professional for your specific requirements.
Can I show it at the top instead?
Yes. Change bottom to top in the CSS and adjust the transform direction.
How do I reset it for testing?
Open your browser DevTools → Application → Local Storage → delete the plynthr_cookie_consent key and refresh.
Start for free then pay $1/month for 3 months — Claim offer