Base64 Decoder
Decode Base64 strings back into readable text instantly.
What is this tool?
A Base64 Decoder converts a Base64-encoded string back into its original text.
How does it work?
The tool decodes the Base64 to bytes and interprets them as UTF-8 text.
How to use Base64 Decoder
- Paste your Base64 string.
- Copy the decoded text.
Common Use Cases
- Reading encoded API responses
- Inspecting JWT payloads
- Debugging
Pro Tips
- Whitespace and line breaks in the input are ignored automatically.
Frequently Asked Questions
What if my Base64 is invalid?
The tool will show a clear error message if the input is not valid Base64.