Base64 Encoder
Encode text or files to Base64 with correct UTF-8 handling, URL-safe output, MIME line wrapping and ready-to-use data URIs.
All Web Development Tools
91 free tools for WordPress, CSS, HTML, JavaScript and SEO work. Search by name or keyword, filter by category, or star tools to build your own toolkit.
91 tools
Character Counter
Count characters, bytes and words and check limits for meta tags, X posts, SMS, Instagram and YouTube titles.
Color Converter
Convert any CSS color between HEX, RGB, HSL, HWB and OKLCH, with alpha, contrast checks and a live preview.
CSS Box Shadow Generator
Design layered CSS box shadows visually — offsets, blur, spread, color and inset — and copy clean CSS.
CSS Button Generator
Design accessible CSS buttons with hover, focus-visible and active states, then copy the CSS and HTML.
CSS Glassmorphism Generator
Create frosted-glass UI cards with backdrop-filter blur, translucency and borders, plus a fallback for older browsers.
CSS Gradient Generator
Create linear, radial and conic CSS gradients visually and copy the CSS instantly.
Favicon Generator
Turn one image into favicon.ico, Apple touch and Android icons, plus the HTML link tags and site.webmanifest — all in your browser.
HEX to RGB Converter
Convert HEX color codes to rgb() and rgba() values, one at a time or in bulk, with the math shown step by step.
HTML Formatter
Beautify minified or messy HTML with clean indentation while keeping pre, textarea, script and style content intact.
Image Aspect Ratio Calculator
Find the aspect ratio of any size, resize images and video without distortion, and copy the CSS aspect-ratio code.
JSON Formatter
Format, beautify and validate JSON with readable indentation, key sorting and clear error messages.
JSON Validator
Check JSON syntax as you type, pinpoint errors with a code excerpt and catch duplicate keys that JSON.parse silently drops.
JSON Viewer
Explore JSON as a collapsible, color-coded tree with search, expand-to-level controls and one-click path copying.
Meta Tag Generator
Generate a complete, valid <head> snippet: title, description, robots, canonical, hreflang, theme-color, verification and social basics.
Open Graph Generator
Create Open Graph meta tags for any page type and preview how links will look on Facebook, LinkedIn and X before you share.
Password Generator
Create strong random passwords or memorable passphrases with secure browser randomness and an honest strength estimate.
Percentage Calculator
Seven percentage calculators in one: percent of a number, percentage change, increase, decrease, difference and reverse percentages.
PX to REM Converter
Convert pixels to rem (and back) instantly with any root font size, a full reference table and a bulk CSS converter.
Regex Tester
Test JavaScript regular expressions live with match highlighting, capture groups, replace preview and a library of common patterns.
Schema Markup Generator
Generate JSON-LD structured data for Organization, Person, WebSite, Breadcrumb, Event, Product, Software, Video, Recipe and Course.
SERP Snippet Preview
See how your title, URL and meta description look in Google on desktop and mobile, with pixel-accurate truncation.
Slug Generator
Turn titles into clean, SEO-friendly URL slugs with transliteration, stop-word removal, length limits and bulk mode.
Unix Timestamp Converter
Convert Unix epoch timestamps to human-readable dates and back, with a live clock and auto-detected seconds, ms, µs or ns.
UTM Builder
Build GA4 campaign URLs with UTM parameters, channel presets, bulk link generation and a parser for existing tagged URLs.
Word Counter
Count words, characters, sentences and paragraphs, estimate reading time and find your most-used keywords.
WordPress .htaccess Generator
Build a clean WordPress .htaccess with HTTPS, www redirects, security hardening, caching and compression rules.
WordPress ACF Field Generator
Build Advanced Custom Fields groups visually and export acf_add_local_field_group() PHP plus escaped template code.
WordPress Custom Post Type Generator
Generate register_post_type() code with every label, REST and block-editor support, rewrite rules and menu icons — as a snippet or plugin.
WordPress Functions.php Snippet Generator
Pick from 22 vetted functions.php snippets — cleanup, security, admin, editor, performance and theme setup — and get prefixed, documented PHP.
WordPress Image Size Calculator
See exactly which image files WordPress creates for an upload — every size, crop, -scaled copy and srcset width — and generate add_image_size() code.
WordPress Redirect Generator
Turn a list of old and new URLs into validated 301 redirects for Apache .htaccess, Nginx, PHP or CSV.
WordPress robots.txt Generator
Create a correct robots.txt for WordPress or WooCommerce with sitemap lines, AI crawler blocking and custom rules.
WordPress Shortcode Generator
Generate secure WordPress shortcode PHP with typed attributes, automatic escaping, enclosing content and usage examples.
WordPress Taxonomy Generator
Generate register_taxonomy() code with full labels, hierarchical or tag-style terms, REST support, rewrite rules and a default term.
Article Schema Generator
Generate Article, NewsArticle or BlogPosting JSON-LD with authors, dates and time zones, images, publisher and paywall markup.
Base64 Decoder
Decode Base64, base64url and data URIs back to text or files, with error positions, a hex view and file type detection.
Canonical URL Generator
Normalize one or many URLs into clean canonical URLs and rel="canonical" tags, with configurable https, www, slash and parameter rules.
Case Converter
Convert text to Title Case, Sentence case, UPPERCASE, lowercase, Capitalize Each Word, alternating or inverse case.
CSS Animation Generator
Generate CSS @keyframes animations — fades, slides, bounces, spins and more — with full timing control and a reduced-motion fallback.
CSS Border Generator
Build CSS borders, border-radius and outlines per side or corner and get the shortest correct shorthand.
CSS Clamp Generator
Generate fluid clamp() values for font sizes and spacing that scale smoothly between two viewport widths.
CSS Filter Generator
Apply blur, brightness, contrast, grayscale, sepia, hue-rotate and drop-shadow filters visually and copy the CSS.
CSS Flexbox Generator
Build flexbox layouts visually: set container alignment, wrapping and gaps, tweak individual items and copy the CSS and HTML.
CSS Grid Generator
Design CSS grid layouts visually with custom track sizes, gaps, alignment, responsive auto-fit columns and spanning items.
CSS Text Shadow Generator
Create layered CSS text shadows — glows, outlines, 3D and retro effects — with a live preview.
CSS Transform Generator
Translate, rotate, scale and skew elements visually — with 3D rotation and transform-origin — and copy the CSS.
CSV to JSON Converter
Convert CSV or TSV into JSON with a standards-compliant parser, delimiter detection, type inference and several output shapes.
Date & Time Zone Converter
Convert a date and time between world time zones with DST handling, count the days between dates and add or subtract days, weeks or months.
Duplicate Line Remover
Remove duplicate lines from lists, keeping the first or last occurrence, with case and whitespace options.
FAQ Schema Generator
Build valid FAQPage JSON-LD from questions and answers, with safe HTML answers, Q&A text import and matching visible HTML.
File Size Converter
Convert between bytes, KB, MB, GB, TB, KiB, MiB, GiB and bits, and estimate download or upload time.
Find and Replace
Find and replace text with case, whole-word and regex options, live match highlighting and multiple rules applied in order.
Hash Generator
Calculate MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes and HMACs of text or files, and verify checksums.
HSL to RGB Converter
Convert HSL and HSLA colors to RGB and HEX with live hue, saturation, lightness and alpha sliders.
HTML Entity Decoder
Turn named, decimal and hex HTML entities back into readable characters, including double-encoded text.
HTML Entity Encoder
Convert special characters, accents, symbols and emoji into named, decimal or hex HTML entities.
HTML Escape Tool
Escape HTML and other code so it displays as text in blog posts, docs and WordPress Code blocks — or unescape it again.
HTML Minifier
Shrink HTML safely by removing comments and redundant whitespace, with a clear before-and-after size comparison.
HTML Table Generator
Build accessible HTML tables in an editable grid, import CSV or spreadsheet data, and export HTML, Markdown or CSV.
Iframe Generator
Create responsive, accessible and secure iframe embed code for YouTube, Vimeo, Google Maps or any web page.
JSON Minifier
Strip whitespace from JSON to make it as compact as possible, with byte savings, key sorting and a .min.json download.
JSON to CSV Converter
Turn JSON arrays into CSV for Excel or Google Sheets, with nested-object flattening, array handling and a live table preview.
Keyword Density Checker
Analyse word and phrase frequency in any text or HTML to spot over-optimisation and check topic coverage.
Line Counter
Count total, blank, unique and duplicate lines, find the longest line and add line numbers to any text.
Local Business Schema Generator
Create LocalBusiness JSON-LD with address, geo coordinates, opening hours, holiday hours, social profiles and restaurant details.
Lorem Ipsum Generator
Generate classic lorem ipsum placeholder text as paragraphs, sentences, words or list items, in plain text or HTML.
Meta Description Generator
Write meta descriptions from proven templates and score each for length, pixel width, keyword use and a clear call to action.
Meta Title Generator
Generate SEO title tag ideas from proven templates and check each one’s pixel width, truncation and keyword placement.
PX to EM Converter
Convert pixels to em relative to any parent font size, and see how nested em values compound compared with rem.
Random Number Generator
Generate secure random integers or decimals in any range, with unique numbers, sorting, dice, coin flip and lottery presets.
Random String Generator
Generate cryptographically secure random strings, tokens, API keys, hex IDs and PINs with custom characters and length.
REM to PX Converter
Find the computed pixel size of any rem value for any root font size, with a rem to px chart and a CSS converter.
Reverse Text
Reverse characters, words or lines, reverse each word in place, or flip text upside down and mirror it.
RGB to HEX Converter
Turn RGB and RGBA values into HEX color codes with sliders, alpha support and automatic shorthand detection.
RGB to HSL Converter
Convert RGB colors to HSL, see how hue, saturation and lightness are calculated, and copy a tint-to-shade scale.
Sort Lines
Sort lines alphabetically, in natural order, by length or by number, reverse or shuffle them, and remove duplicates.
String Case Converter
Convert identifiers between camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE and 9 more, with smart acronym handling.
Text Cleaner
Clean up pasted text: fix smart quotes, extra spaces, blank lines, invisible characters, HTML tags, emoji and line endings.
Timestamp Format Converter
Convert any date string or timestamp between ISO 8601, RFC 2822, RFC 3339, HTTP, SQL and Unix formats in any time zone.
Twitter Card Generator
Generate X (Twitter) Card meta tags for summary and large image cards, validate handles and limits, and preview the card.
URL Decoder
Decode percent-encoded text and URLs, unwrap double encoding, locate malformed sequences and break a URL into its parts.
URL Encoder
Percent-encode text for query strings, paths, full URLs or form data, with a table showing exactly which characters changed.
UUID Generator
Generate secure random v4 or time-ordered v7 UUIDs in bulk, and validate or inspect any UUID.
WooCommerce Product Schema Generator
Generate Product JSON-LD with offers, GTIN validation, ratings, shipping and return policy — or a WooCommerce filter that extends the built-in markup.
WordPress ACF JSON Generator
Build ACF field groups visually and export JSON for ACF Tools → Import or for Local JSON sync in acf-json.
WordPress Cron Expression Generator
Build and explain cron expressions, preview the next run times, replace WP-Cron with a real server cron job and generate wp_schedule_event() PHP.
WordPress Launch Checklist
An interactive pre-launch checklist for WordPress sites covering settings, security, SEO, performance, content, legal and testing.
WordPress Maintenance Checklist
An interactive weekly, monthly and quarterly WordPress maintenance checklist with saved progress and an exportable client report.
WordPress Meta Tag Generator
Generate a wp_head PHP snippet for meta descriptions, robots directives, theme-color, verification codes and Open Graph — no SEO plugin needed.
XML Sitemap Generator
Turn a list of URLs into a valid XML sitemap with lastmod dates, duplicate removal, URL validation and automatic sitemap index splitting.