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.
JSON
Base64
All processing is done locally, no upload
How to Use
- Paste any valid JSON, supports nesting, arrays and escapes
- Click Beautify to auto indent and format
- Click Minify to remove whitespace into one line
- All operations run locally for privacy
Related Tools
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.