Base64 Decoder
Decode Base64 encoded strings back to original text, files, and data instantly. Free online Base64 decoder for developers, programmers, and data analysis tasks.
Decode Base64 strings back to readable text or binary data in your browser. Great for inspecting API payloads, email attachments, and encoded tokens.
Base64 Decoder
Decode Base64 encoded strings back to original text, files, and data instantly. Free online Base64 decoder for developers, programmers, and data analysis tasks.
About this tool
Decode Base64 strings back to readable text or binary data in your browser. Great for inspecting API payloads, email attachments, and encoded tokens.
Enter the Base64 encoded text you wish to decode here.
Output appears here...
Enter the Base64 encoded text you wish to decode here.
FAQ
Common questions and answers about this topic.
What is Base64 decoding?
Converts a Base64-encoded string back to its original binary or text form.
Can it decode data URLs?
If you paste a data URL like data:image/png;base64,..., extract just the Base64 portion after the comma for decoding.
Is my data sent to any server?
No, Base64 decoding is handled entirely in your browser. Your encoded string is decoded locally — nothing is uploaded to any server.