Decode Base64 back to readable text
Use this free Base64 decoder when you need to convert encoded text into readable plain text for APIs, demos, debugging, or quick checks.
Simple and browser-based
The decoder runs locally in your browser, so it is fast, lightweight, and easy to use without sign-up or file uploads.
Base64 guide
How to use the Base64 Decoder
Paste your Base64 string into the input field, let the decoder convert it automatically, and copy the plain text result when you are ready to use it.
Enter Base64 text
Paste or type the encoded string you want to decode.
Review the output
The decoded result updates as you type, so you can see the plain text immediately.
Copy or reset
Copy the decoded text to your clipboard or reset the page to start again.
FAQs
Base64 Decoder FAQs
What is Base64 decoding used for?
Base64 decoding is used to turn encoded data back into plain text for reading, debugging, and quick reuse.
Can I decode any valid Base64 string?
Yes. You can decode valid Base64 text directly in the browser, and the result appears instantly.
What if the input is not valid Base64?
The tool shows an invalid input message so you can fix the encoded string before using it again.
Is this decoder free to use?
Yes. The Base64 decoder is free to use for everyday text and development tasks.