What is Text input?
Your original text, kept on this device. The tool does not modify a loaded source file.
JWT Decoder
Inspect JWT contents and expiry time
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No file selectedUTF-8 · Up to 1 MB
Decoding does not verify the signature or prove a token is valid. No token is sent to a server.
How to use JWT Decoder
Enter your input
Paste text, load a UTF-8 text file or choose Try example to get started.
Choose options and run
Inspect a JWT header and payload locally, including readable expiry timestamps.
Copy or download
Review the result, then copy it or save the JSON file.
Frequently asked questions
How do I use JWT Decoder?
Inspect a JWT header and payload locally, including readable expiry timestamps. Load the example or enter your own input, choose the options, then select Run.
Can I copy or download the result?
Yes. Copy the result or download it as a JSON file after processing.
What should I know before using this tool?
Decoding does not verify the signature or prove a token is valid. No token is sent to a server.
Is my input uploaded or saved?
No. Processing runs on this device. Inputs and results are not uploaded or saved by this tool.
About JWT Decoder
Here is what each format is for, and when converting input into a useful result is the right move.
What is Processed result?
Inspect a JWT header and payload locally, including readable expiry timestamps.
When you need it
Decoding does not verify the signature or prove a token is valid. No token is sent to a server.