All Tools

HTML Entity Encoder & Decoder

Encode special characters to HTML entities for safe rendering in browsers, or decode HTML entities back to plain text. Handles named, decimal, and hex entities.

Mode:
Buy me a coffee

Common HTML entities

  • &lt; → < (less-than sign)
  • &gt; → > (greater-than sign)
  • &amp; → & (ampersand)
  • &quot; → " (double quote)
  • &nbsp; → non-breaking space (prevents line breaks)
  • &copy; → © (copyright symbol)
  • Numeric entities like &#8364; or &#x20AC; both represent €.

Related Tools

JWT Decoder

Decode and inspect JSON Web Tokens — header, payload, and expiry — without a secret.

Cron Expression Explainer

Parse and explain cron expressions in plain English. Shows next 5 run times.

HTML Formatter

Prettify or minify HTML with configurable indentation and syntax-highlighted output. Nothing sent to any server.

Byte Converter

Convert between bytes, KB, MB, GB, TB and binary (KiB, MiB, GiB) equivalents. Covers both decimal (SI) and binary (IEC) prefixes.

XML Formatter

Prettify or minify XML with configurable indentation and syntax highlighting.

Base64 Encoder & Decoder

Encode text to Base64 or decode Base64 strings back to text. Handles UTF-8 and Unicode — instant, no server.

Diff Checker

Compare two pieces of text and see the differences highlighted. Line-by-line diff with added/removed lines clearly marked.

JSON Formatter & Validator

Format, pretty-print, and validate JSON with customizable indentation and key sorting. Instant feedback on syntax errors.

JSON to CSV Converter

Convert a JSON array to CSV format. Customizable delimiter, header row, and field quoting. Download as .csv.

Number Base Converter

Convert numbers between binary (base 2), octal (8), decimal (10), and hexadecimal (16) instantly.

Regex Tester

Test and debug regular expressions against sample text. See all matches, capture groups, and flags explained.

SHA Hash Generator

Generate SHA-1, SHA-256, SHA-384, and SHA-512 cryptographic hashes from text or files. Computed locally in your browser.

Unix Timestamp Converter

Convert Unix timestamps to human-readable dates and times, or convert any date to its Unix timestamp.

URL Encoder & Decoder

Percent-encode URLs and query strings, or decode URL-encoded strings back to readable text.

SQL Formatter

Prettify or minify SQL queries with automatic keyword uppercasing, clause indentation, and newlines.

JSON to TypeScript

Convert JSON to TypeScript interface or type alias definitions recursively. Handles nested objects, arrays, and null values.

.gitignore Generator

Pick your tech stack and get a ready-made .gitignore file with all standard exclusions per technology.

String Escape Tool

Escape or unescape strings for JavaScript, JSON, HTML, Regex, URL, and CSS in one click.