How to extend sheet custom CSS maxlength

André — Fri, 12 Sep 2025 22:17:34 GMT

Yay that we now have a native way to customize CSS on a per-sheet basis! Boo that the textarea input field is limited to 512 characters.

You can add this bookmarklet to your browser, and click it to extend the maxlength value of the field to whatever you like! It is currently set to increase the value to 2046, but you can edit that as you wish.

Simply add a new bookmark in your browser, paste the below code into the URL section, give it a name, and save. Then if you run out of characters in the field, click the bookmarklet and continue styling!

Name: Qlik Extend CSS Limit
URL:

javascript&colon;(function(){var el=document.getElementById("customCss");if(el){el.setAttribute("maxlength","2046");alert("Maxlength changed to 2046!");}else{alert("Textarea with id 'customCss' not found.");}})();

(Note that it should read "javascript&colon;" (javascript[colon]) but the forums seem to change the colon to "&colon;" so make sure you change it back when creating the bookmarklet)

Before:

After:

Go wild! Happy styling 😎

Re: How to extend sheet custom CSS maxlength

Sunilsahu_345 — Mon, 16 Mar 2026 12:55:53 GMT

Thank you for this information

Re: How to extend sheet custom CSS maxlength

WeLoveQlik — Mon, 16 Mar 2026 14:06:17 GMT

Great insight!

topic Re: How to extend sheet custom CSS maxlength in App Development

How to extend sheet custom CSS maxlength

Re: How to extend sheet custom CSS maxlength

Re: How to extend sheet custom CSS maxlength