Paste your input
Drop CSS, HTML, JSON, or other text into the editor. Nothing is uploaded.
Base64 Decoder
Decode Base64.
How to use
Four quick steps — paste, run, review, copy. Everything stays in your browser.
Run the tool
Click Convert or Run. The result appears instantly on this page.
Check the output
Read the generated code and any review notes before you ship it.
Copy and use
Copy the output to your clipboard and paste it into your project.
About this tool
Decode Base64 back to text locally for inspecting tokens or data URL payloads.
Example
Pairs with the encoder example.
Input
Q1NTIHRvIFRhaWx3aW5kOutput
CSS to TailwindTip
URL-safe Base64 variants may need character translation first.