Base64 Encode / Decode
Encode text to Base64 or decode Base64 back to plain text.
Format, pretty-print, and validate JSON in your browser.
JSON Formatter pretty-prints compact single-line JSON into a readable indented format, and can also minify JSON by removing all whitespace. It also validates JSON syntax as you format.
Yes, it is completely free.
A parse error message is displayed. Use the error details to correct your input.
It depends on your browser's memory, but typical JSON files are handled without issue.