MIME Header Decoder

Decode MIME encoded email headers.

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Paste a MIME encoded-word header (e.g. =?UTF-8?B?...?=) to decode it to plain text.

mailEncoded header
outputDecoded text 

    


    




                    

                


                

                    

                        
About this tool

                        
Decode MIME encoded email headers This free Email Tools tool from Bhuvanesh C runs entirely in your browser — your data stays on your device.

                    


                    

                    

        

            
FAQ

            

                            
Common questions about the MIME Header Decoder.

                    


        

                            

                    
                    

                        

                            
Decode MIME encoded email headers. It is part of my free Email Tools collection and works instantly in your browser.

                        

                    

                

                            

                    
                    

                        

                            
Yes. This tool is completely free with no usage limits and no account required.

                        

                    

                

                            

                    
                    

                        

                            
No. Processing happens in your browser whenever possible. Your input is not sent to my server.

                        

                    

                

                            

                    
                    

                        

                            
Yes. The layout is responsive and works on phones, tablets, and desktops.

                        

                    

                

                    

    


                                


                

                    
    

    


    

        

            

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