---
metadata:
  - name: generator
    content: Diplodoc Platform v5.54.5
alternate:
  - https://yandex.com/support/adfox/en/ad-inventory/codes/url-base64.md
  - https://yandex.com/support/adfox/ru/ad-inventory/codes/url-base64.md
  - href: en/ad-inventory/codes/url-base64.md
    type: text/markdown
    title: Markdown version
  - href: ../../llms.txt
    type: text/markdown
    title: llms.txt
---
> **Documentation Index:** Fetch the complete configuration index at https://yandex.com/support/adfox/en/llms.txt


# URL-safe base 64 Encoder/Decoder

<div id="text-wrapper">
    <div id="textarea-container">
<textarea id="source-data" name="source" style="width: 400px; height: 200px; outline: none;" ></textarea>
</div>
<div id="buttons">
<button id="decode" style="background: #fedc6a; border: 2px solid #fedc6a; width: 105px; padding: 5px; cursor: pointer; font-size: 16px;">Decode</button>
<button id="encode" style="width: 105px; padding: 5px; cursor: pointer; border: 2px solid #ddd; font-size: 16px;">Encode</button>
</div>
</div>
    
        
<!-- source: en/_includes/feedback.md -->
## Contact support


<a href="en/form"> <!--ссылка, куда ведет кнопка. Если внутренняя ссылка, пишем без .md и .html --> 
  <span class="button">Send an email</span> <!--текст на кнопке--> 
</a>



<!-- source: en/_includes/styles/button.md -->

<!-- endsource: en/_includes/styles/button.md -->
<!-- endsource: en/_includes/feedback.md -->