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Every page on this site in one list.

Every page on this site, grouped by section. There are 47 tools, 8 reference tables, 10 guides and 10 supporting pages.

Updated: 2 August 2026Read: 2 minRuns: 100% in your browser

Binary Converters

Text to Binary Converter — Convert text to binary and back with ASCII, UTF-8 and UTF-16 support.
Binary Decimal Hex Octal Converter — Four-way number base conversion with step-by-step working and BigInt support.
Base64 Encoder & Decoder — Encode and decode Base64, including files, images and data URIs.
SHA-256 Hash Generator — Generate SHA-1, SHA-256, SHA-384 and SHA-512 hashes with the Web Crypto API.
Morse Code Translator — Translate text to Morse code with audio playback and adjustable speed.
Hex to Text Converter — Convert hexadecimal to readable text and text to hex, byte by byte.
Bitwise Operation Calculator — AND, OR, XOR, NOT and bit shifts with a live bit-by-bit visualisation.
Binary Calculator — Add, subtract, multiply and divide binary numbers with carry-by-carry working.
Roman Numeral Converter — Convert Roman numerals to numbers and numbers to Roman numerals.
File Size Converter — Convert bytes, KB, MB, GB, TB between decimal (SI) and binary (IEC) units.

JSON CSV XML YAML Converter — Convert between the four most common data interchange formats.
Markdown to HTML Converter — Live Markdown preview with GitHub-flavoured syntax support.
Text Case Converter — Fourteen case transformations including camelCase, snake_case and kebab-case.
Text Diff & Compare Tool — Side-by-side and unified diff with line and word level comparison.
URL Encoder & Decoder — RFC 3986 percent-encoding with batch mode and component breakdown.
Word Counter & Text Statistics — Word, character, sentence and paragraph counts with reading time.
Lorem Ipsum Generator — Generate placeholder paragraphs, sentences, words or list items.
Text Line Tools — Sort, deduplicate, reverse, number, prefix and shuffle lines of text.
HTML Entity Encoder & Decoder — Escape and unescape HTML entities, including named and numeric references.
Email & Phone Extractor — Pull email addresses, phone numbers and domains out of any block of text.

SERP Preview Tool — Pixel-accurate Google desktop and mobile snippet preview.
Schema Markup Generator — Build valid JSON-LD for eleven schema.org types.
Meta Tag Generator & Analyzer — Generate a complete head section with Open Graph and Twitter Cards.
Keyword Density & Readability Analyzer — N-gram density plus Flesch, Gunning Fog and Coleman-Liau scores.
Robots.txt Generator & Validator — Build robots.txt visually and test whether a URL would be blocked.
XML Sitemap Generator — Turn a list of URLs into a valid XML sitemap with priorities and lastmod.
Hreflang Tag Generator — Generate reciprocal hreflang annotations for multilingual sites.
Redirect Generator (.htaccess & Nginx) — Create 301 and 302 redirect rules for Apache, Nginx and Netlify.

UTM Builder — Build tagged campaign URLs with presets, bulk mode and CSV export.
QR Code Generator — Create QR codes for URLs, Wi-Fi and vCards with PNG and SVG download.
Link Extractor from HTML — Extract every link with anchor text, rel values and internal/external split.
Open Graph & Social Card Debugger — Inspect Open Graph and Twitter Card tags with platform previews.
URL Slug Generator — Turn titles into clean, transliterated, SEO-friendly slugs.
URL Parser & Query String Editor — Break a URL into its components and edit query parameters visually.

Color Converter (HEX RGB HSL CMYK) — Convert colours, check WCAG contrast and build harmonious palettes.
CSS Gradient Generator — Linear, radial and conic gradients with unlimited colour stops.
Regex Tester & Explainer — Live match highlighting, capture groups and plain-English explanations.
Unix Timestamp Converter — Convert epoch timestamps across time zones and ISO 8601 formats.
Password Generator & Strength Meter — Cryptographically secure passwords and passphrases with entropy maths.
UUID Generator — Generate RFC 9562 version 4 and version 7 UUIDs in bulk.
JWT Decoder — Decode JSON Web Token headers, payloads and expiry times locally.
CSS Unit Converter — Convert px, rem, em, pt, %, vw and vh against a configurable root size.
Aspect Ratio Calculator — Solve missing width or height for any aspect ratio, plus common presets.
IP Subnet Calculator — CIDR maths: network, broadcast, host range, mask and wildcard.
Cron Expression Generator — Build and read crontab schedules with a plain-English description.
Random Number Generator — Cryptographically secure random integers, decimals, lists and picks.
CSS & JS Minifier — Shrink CSS, JavaScript, HTML and JSON with a live saving report.

Binary Numbers Explained for Beginners — How base-2 works, why computers use it and how to convert by hand.
Character Encoding: ASCII, Unicode and UTF-8 — A practical history of text encoding and how to avoid mojibake for good.
Hashing vs Encryption vs Encoding — Three concepts that get confused daily, separated once and for all.
Password Security and Entropy — What entropy really measures, how cracking works and what NIST recommends.
The Complete Guide to SEO Meta Tags — Titles, descriptions, canonicals, robots directives and social markup.
Structured Data and Rich Results — Choosing schema types, writing JSON-LD and validating it properly.
URL Structure Best Practices for SEO — Slugs, depth, parameters, trailing slashes and international URLs.
How QR Codes Actually Work — Encoding modes, Reed-Solomon error correction and design constraints.
Regular Expressions from Zero to Confident — Build regex patterns step by step and avoid catastrophic backtracking.
Colour and Contrast Accessibility — WCAG contrast ratios, colour blindness and building accessible palettes.

ASCII Table — The complete ASCII character set with decimal, binary, hex, octal and HTML values.
Binary Conversion Chart (0-255) — Every value from 0 to 255 in binary, decimal, hexadecimal, octal and ASCII.
HTML Entities Reference — Named and numeric HTML character references with copy-ready code.
Unicode Blocks Reference — Unicode planes and blocks with code point ranges and UTF-8 byte lengths.
HTTP Status Codes — Every HTTP response code, what it means and how it affects SEO.
MIME Types Reference — Common media types mapped to file extensions and typical usage.
Regex Cheat Sheet — Regular expression syntax, character classes, quantifiers and lookarounds.
CSS Named Colors — All 148 CSS colour keywords with HEX, RGB and HSL values.