Base64 Encode / Decode
Convert plain text to Base64 and decode Base64 back to text.
base64encoding
Free JSON Formatter Online
Use this JSON formatter to clean up messy payloads, catch syntax errors, and minify valid JSON before you share it, debug it, or ship it.
jsonformatvalidate
Loading tool interface...
What this tool does
Use this JSON formatter to clean up messy payloads, catch syntax errors, and minify valid JSON before you share it, debug it, or ship it.
How to use JSON Formatter / Validator / Minifier
- Paste your JSON into the input panel.
- Format it to prettify the structure or minify it for compact output.
- Review validation errors, then copy the cleaned JSON when it looks right.
FAQ
What does JSON Formatter / Validator / Minifier do?
Format, validate, and minify JSON content locally.
Does JSON Formatter / Validator / Minifier upload my data?
JSON Formatter / Validator / Minifier runs locally in your browser by default, so Koiloop does not need to upload that input to a server.
Can I use JSON Formatter / Validator / Minifier with sensitive information?
JSON Formatter / Validator / Minifier is best for routine work, and Koiloop keeps the experience browser-based whenever possible.
Tool details
Signals that help people understand how this page behaves before they paste real data.
- Runs in your browser by default.
- Best for routine content, reference data, and everyday workflow inputs.
- Works directly with pasted text or typed input.