JSON Formatter & Validator
Beautify, minify and validate JSON with helpful error messages.
Escape special characters to HTML entities and back.
100% private
Runs in your browser. Nothing is uploaded.
Instant results
No waiting, no queues, no page reloads.
Free & unlimited
No sign-up and no usage caps.
Escape special characters to HTML entities and back. It is one of 25 free coding tools on ToolzHive.
Yes. The HTML Entity Encoder / Decoder is completely free, with no sign-up, no usage limits and no watermarks.
Yes. The tool runs entirely in your web browser, so the text and files you use are processed on your own device and are never uploaded to or stored on our servers.
Yes. HTML Entity Encoder / Decoder works in any modern browser on desktop, Android and iOS, with no app to install.
Beautify, minify and validate JSON with helpful error messages.
Encode text to Base64 or decode Base64 back to text (UTF-8 safe).
Percent-encode or decode URLs and query string values.
Generate MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes.
Generate random version 4 UUIDs in bulk.
Decode JSON Web Tokens and inspect header, payload and expiry.