How to test Custom Sheets?

Hi, i have a free account but i like to create sheets, include new games... etc. Now i created one and now i see some things to fix and include more rolls, modify inventory... but i can't test my sheets. I really want to test and include more content for Roll20 but i dont like the idea to pay for insert more Sheets, modify others and translate other ones.  So mi question is "Is there any way to test before commit with a free account?"

You could team up with someone that has a Pro account to test with them. You could also link to the necessary CSS and test offline or in a tool like JSFiddle.  Here's a fiddle you can try . That one doesn't handle repeating sections and doesn't mock sheet workers, but it's decent for a baseline.