Base64 to JS

Decode Base64 strings back to JavaScript code instantly.

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Drop your Base64 file here

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What is Base64 to JavaScript Decoding?

Base64 to JavaScript decoding is the process of converting a Base64-encoded string back into its original JavaScript source code. This is useful when you have a script embedded as a Data URI or encoded for transport and need to extract the original code for editing or execution.

Extract Scripts

Quickly convert Data URIs or encoded strings back into readable and editable JavaScript code.

Import Data

Easily handle JavaScript content that has been Base64 encoded for inclusion in other data formats.

Code Inspection

Safely decode and inspect JavaScript code that might be obfuscated or hidden within Base64 strings.

Why Use Our Base64 to JS Decoder?

  • Real-time Decoding: See the JavaScript output instantly as you paste the Base64 string.
  • Data URI Support: Automatically detects and strips Data URI prefixes (data:text/javascript;base64,).
  • Unicode Safe: Handles UTF-8 encoded JavaScript correctly during the decoding process.
  • Zero Server Storage: Your data stays in your browser. We never store or transmit your encoded or decoded content.