Step 1
Text input
Enter or paste the content you want to process.
Encode or decode Base64 online for API debugging, JWT inspection and lightweight data transport. Free to use with no sign-up required.
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Useful for API debugging, embedded text snippets, config fragments and lightweight data exchange.
The encoded or decoded result will appear here.
Step 1
Enter or paste the content you want to process.
Step 2
Run Base64 Encode Decode with one click.
Step 3
Review the output and copy or reuse it.
Yes. Text is processed as UTF-8, so Chinese, English and mixed-language content are all supported.
The input is usually not valid Base64 or has been polluted with extra characters. Check the original source and try again.
API debugging, email content tests, config handling and simple data transport tasks.
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