Base64 Tools

Base64 Encoder Decoder

Base64 Encoder Decoder encodes text to Base64 and switches direction with one toggle. It runs in your browser with nothing uploaded to any server.

Client-sideRuns entirely in your browser — your data never leaves your device.

Base64 Encoder Decoder is a free Base64 Tools utility that runs entirely in your browser — nothing you enter is uploaded.

Input
Output



  
How to use Base64 Encoder Decoder

  
    
      
  1. Drop your text or data into the field at the top of Base64 Encoder Decoder.
    2. 
      
  2. Tune the Mode control before you encode.
    3. 
      
  3. The result is computed live in your browser as you edit the input.
    4. 
      
  4. Finish by choosing Copy to take the output with you.
    5. 
  

  
About this tool

  
There is no server behind Base64 Encoder Decoder. Base64 Encoder Decoder converts between raw data and Base64 in your browser, handling text or files locally.

  
Because it runs locally, even sensitive payloads never leave the page. Your input never leaves the page, and no account or install is required.

  
Frequently asked questions

  

      
How do I use Base64 Encoder Decoder?
Base64 Encoder Decoder lets you encode your input right in the browser using the Mode control, with the result shown instantly and nothing uploaded.

      
Is Base64 Encoder Decoder free to use?
Yes — Base64 Encoder Decoder is completely free, with no usage limits.

      
Is my input private in Base64 Encoder Decoder?
Yes — your input never leaves your device; Base64 Encoder Decoder does all the work in your browser.

      
Is Base64 in Base64 Encoder Decoder URL-safe?
Base64 Encoder Decoder uses standard Base64 by default and runs locally, so your data is never sent anywhere.

      
Does Base64 Encoder Decoder work offline?
Once the page has loaded, Base64 Encoder Decoder keeps working with no network connection.

  

  
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