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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 12 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.