JSON Formatter
Format and validate JSON with pretty printing.
Data & encoding
Format, validate, encode, and decode data.
Base64 Encode / Decode
Encode and decode Base64 text in the browser.
JWT Decoder
Decode JWT header and payload locally.
JSON Validator
Check if text is valid JSON and see errors.
URL Encoder / Decoder
Encode and decode URL (percent) encoding.
Timestamp Converter
Convert between Unix timestamps and dates.
CSV to JSON Converter
Convert CSV to JSON array.
JSON to CSV Converter
Convert JSON array to CSV.
HTML Escape / Unescape
Escape or unescape HTML entities.