Convert text to and from HTML entities instantly in your browser.
Updated
/ 5 - Be the first to rate this tool Thanks for rating!
Verification failed - please try again.
Quick check
Please verify you're not a robot to submit your rating.
Give feedback
Tell us what you think about Encode or decode HTML entities online.
- Runs entirely in your browser — your text is never sent to a server
- Understands every named and numeric entity, using the browser's own HTML parser
- Free, no account required
How it works
-
1
Paste the text, code, or token you want to encode or decode.
-
2
Conversion happens instantly as you type.
-
3
Review the result, including any decoded structure.
-
4
Copy the result to your clipboard.
Why use this tool
Every dev utility, one place
Format, convert, encode, decode, and generate — no more juggling ten tabs.
100% private, always
Every tool runs in your browser — your code and data are never sent anywhere.
Works on any device
Runs on Windows, Mac, Linux, iOS, and Android — nothing to install.
Instant results
No queues, no build step — results update as you type.
Built to handle real data
Full Unicode support and RFC-compliant parsing, edge cases included.
Free, always
Free to use, with no rate limits, sign-up, or trial period.
Frequently asked questions
It relies on the browser's native DOM parsing, ensuring 100% compliance with the HTML5 entity spec.
No, encoding only targets special reserved characters (like <, >, &) that would break HTML structure.
Yes, both named entities (©) and numeric hex/decimal references are decoded seamlessly.
It is useful for escaping text before rendering it in a view, but backend sanitization should be handled by your framework.
They are left completely intact during encoding, assuming your document relies on standard UTF-8.
From the blog
Reading a JWT Without Trusting It: Claims, Expiry, and the Signature Trap
Decoding a JWT takes a second. Verifying one is a different job entirely — and confusing the two is how auth bugs ship. Here is how to read a token safely while you debug.
Mastering Base64: What It Is, How It Works, and When Not to Use It
Base64 is everywhere in modern web development, from data URIs to authentication headers. Here is a deep dive into how it works and common pitfalls to avoid.
Demystifying JSON: How to Troubleshoot Common Parsing Errors
JSON is the backbone of web APIs, but syntax mistakes can halt your code. Here is how to identify and fix missing commas, unescaped strings, and trailing characters.
Related tools
Base64 encode or decode text online
Convert text to and from Base64 instantly in your browser, with full Unicode support.
Encode or decode ROT13 and Caesar cipher text
Shift letters by any amount, including the classic ROT13, instantly in your browser.
Decode a JWT online
Paste a JSON Web Token to instantly view its decoded header and payload in your browser.
Build and sign a JWT online
Build and HMAC-SHA256-sign a JWT from a header, payload, and secret, instantly in your browser.
Encode or decode a Punycode domain
Convert an internationalized domain name to and from its Punycode (xn--) form, in your browser.
Escape or unescape a string online
Escape or unescape a string for JS/JSON string literals instantly in your browser.
Format and beautify HTML online
Pretty-print or minify HTML instantly in your browser, with adjustable indentation.
Convert HTML or a web page to PDF for free
Paste HTML or enter a public web page address and download it as a PDF, with your choice of page size, orientation and margins.
Pick colors from an image for free
Click anywhere on an image to read its exact HEX and RGB color, right in your browser.
Apply image filters online for free
Adjust brightness, contrast, and saturation, or apply grayscale, sepia, and invert filters, right in your browser.
Convert an image to Base64 for free
Encode an image file to a Base64 string, or decode Base64 back to an image.
Convert an image to a favicon (ICO) for free
Turn a square image into a multi-size .ico favicon file, right in your browser.