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Developer Tools

HTML Entity Decoder

Convert named and numeric HTML entities such as & and ’ back into readable characters.

Runs in your browser. Nothing you enter is uploaded. Last updated
Mode

How to use

  1. Paste text containing entities.
  2. Copy the decoded text.

What this tool does

Your browser’s HTML parser decodes every standard entity. Tags in the input stay as plain text and are never executed.

Frequently asked questions

Is decoding safe?

Yes. The result is placed into a text box, never rendered as HTML.

HTML Entity Encoder

Escape , &, quotes and optionally every non-ASCII character as HTML entities so code displays as text.

UUID Generator (v4)

Generate one or up to 1,000 random v4 UUIDs at once, with uppercase, no-hyphen and brace options.

URL Encoder / Decoder

Encode or decode URLs and query values with percent-encoding, and inspect a URL's host, path and parameters.

Unix Timestamp Converter

Convert Unix epoch timestamps to readable dates in UTC and your local time zone, or turn a date…

Regex Tester

Test JavaScript regular expressions against your text with highlighted matches, capture groups and a live replace preview.

JSON Minifier

Remove all unnecessary whitespace from JSON and see how many bytes you save.

JSON Validator

Check whether JSON is valid and find the exact line and column of any syntax error.