Online JSON to Base64 Converter
JSON to Base64Base64EncodeJSON
Encode JSON string to Base64 with UTF-8, supports Chinese and Emoji, validates JSON on decode, local processing.
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How to Use
- Paste the source data into the left panel
- Confirm the target format and click Convert
- Copy or download the result from the right panel
- All processing runs locally in your browser; your code is never uploaded
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FAQ
Does it validate JSON?
Yes, JSON.parse before encoding, invalid JSON throws.
Does it support Chinese?
Yes, UTF-8 before Base64, not latin1 truncation.
How to decode?
Click Base64 to JSON in same tool or use reverse page.
Will my data be uploaded?
No, local.