Tools

Visually design layered CSS box shadows with live preview and code export.

Upload any image and instantly extract its dominant colors. Copy hex, RGB or HSL values, export as CSS variables, Tailwind config, or JSON.

Check WCAG AA/AAA contrast ratios between any two colors. Instant pass/fail for text, UI components, and large text thresholds.

Audit SPF, DKIM, DMARC & MX records and get instant fix suggestions for email delivery.

Diagnose email delivery issues and auto-generate SPF, DKIM, DMARC fixes.

Inspect SSL/TLS certificates, visualize chain of trust, and audit CA reputation instantly.

Convert SVGs to optimized React, Vue, or Angular components with props and a11y.

Format, validate, minify and repair JSON with live syntax checking and one-click copy.

Encode text or files to Base64 and decode Base64 back to text with URL-safe mode and live conversion.

Test and debug regular expressions live with match highlighting, capture groups, flags and plain-English explanations.

Upload images, configure layout and captions, and export a polished catalog-style PDF — entirely in your browser. No uploads, no accounts.

Compress JPEG, PNG and WebP images in your browser with live quality preview. Batch compress, no uploads, no accounts — files never leave your device.

Audit SSL certificates, verify CA chain, and surface security flags instantly.

Build CSS gradients visually — linear, radial and conic. Add stops, adjust angles, copy ready-to-use CSS with one click.

Decode and inspect JSON Web Tokens instantly — view header, payload, claims, and expiration status.

Generate UUID v1, v4, and ULID identifiers with bulk mode, formatting, and validation.

Generate MD5, SHA-1, SHA-256, SHA-384, SHA-512 hashes from text or files with comparison mode.

Generate SEO, Open Graph, and Twitter Card meta tags with live social preview mockups.

Validate .env file syntax and scan for exposed API keys, tokens, and secrets.

Find beautiful Google Font combinations with live preview and CSS export.

Build cron schedules visually with human-readable descriptions and next-run preview.

Build and test HTTP requests in the browser — a lightweight Postman alternative.

Convert JSON to TypeScript interfaces with nested object and array support.

Write and preview GitHub Flavored Markdown with live rendering and HTML export.

Compare two texts side-by-side with color-coded additions, deletions, and changes.

Convert between Unix timestamps and human-readable dates with timezone support.

Encode and decode URLs and query parameters with a built-in URL parser.

Format and beautify SQL queries with syntax highlighting and dialect support.

Convert numbers between binary, octal, decimal, and hexadecimal instantly.

Generate cryptographically secure random strings and passphrases with strength analysis.

Generate QR codes from text, URLs, email, WiFi, or vCard with custom colors and download.

Generate placeholder text in classic, hipster, or tech variants by paragraphs, sentences, or words.

Convert colors between HEX, RGB, HSL, HSB, and CMYK with harmonies and tints/shades.

Convert text between 12 case formats: camelCase, snake_case, kebab-case, PascalCase, and more.

Visual flexbox playground with container and item controls, presets, and live CSS output.

Interactive Unix permission calculator with checkbox matrix, symbolic notation, and umask support.

Encode and decode HTML entities with a searchable reference table of 70+ common entities.

Explore JSON as an interactive tree and click any node to get its full path in dot or bracket notation.

Convert between px, rem, em, %, vw, vh, pt, cm, mm, and in with a common spacing scale.

Calculate and visualize aspect ratios with social media presets and CSS output.

Minify or beautify CSS with syntax highlighting, compression stats, and no external dependencies.

Searchable reference of all HTTP status codes with categories, descriptions, and use cases.

Visual border-radius editor with individual corner controls, blob shapes, and presets.

Search 500+ emojis by name, copy as emoji, HTML entity, or Unicode codepoint.

Detect your public IP, validate addresses, and calculate subnets.

Visual CSS Grid playground with template areas and layout presets.

Convert between YAML and JSON bidirectionally with no dependencies.

Build and sign JWT tokens with custom claims and HMAC via Web Crypto.

Searchable reference of 300+ Tailwind utility classes with CSS equivalents.

Visual table editor with CSV import and markdown/HTML export.

Escape and unescape special characters in JSON strings.

Visual keyframe animation builder with presets and live preview.

Count words, characters, sentences with reading time and keyword density.

Auto-detect screen resolution, pixel density, viewport, and breakpoint.

Convert text to URL-friendly slugs with transliteration and bulk mode.

Convert between CSV and JSON with delimiter options and file upload.

Generate favicons from text, emoji, or image with multiple sizes.

Searchable reference of 200+ shortcuts for VS Code, Chrome, Git, and more.

Generate placeholder images with custom size, colors, and text.

Simulate how colors appear under 7 types of color vision deficiency.

Visual builder for robots meta tags and robots.txt directives.

Look up A, AAAA, CNAME, MX, NS, TXT, SOA records via Cloudflare DoH.

Interactive box model diagram with margin, border, padding controls.

Save, organize, and search code snippets locally with syntax highlighting.

Common regex patterns library with test area and flag selectors.

Visual text shadow editor with multiple layers and 8 presets.

Convert HTML to Markdown and back with no external dependencies.

Convert between bytes, KB, MB, GB, TB with bandwidth and storage calculators.

Generate tints, shades, tones, and color harmonies from a single color.

Searchable reference of 100+ git commands with examples and flags.

Preview URLs at different screen sizes with device presets and comparison.

Focus timer with work/break cycles, audio notification, and session history.

Visual CSS filter editor with blur, brightness, contrast, and 8 presets.

Search npm registry, compare install commands, and view package info.

Minify or beautify JSON with sort keys, remove nulls, and compression stats.

Encode text to Morse code and decode back with audio playback.

Convert text to 8-bit binary and binary back to text with live preview.

Repeat, reverse, shuffle, sort, deduplicate, and transform text lines.

Generate random names, emails, addresses, and more as JSON, CSV, or SQL.

Calculate APCA and WCAG 2.x contrast ratios side-by-side with font-based compliance.

Interactive reference of TypeScript utility types with examples and explanations.

Encode/decode ROT13 and Caesar cipher with brute force view of all 26 rotations.

Convert design tokens JSON to CSS variables, SCSS, or Tailwind config.

Paste JSON and instantly generate a valid JSON Schema (draft-07) with format inference and validation.

Resize images by percentage, exact dimensions, or social media presets in your browser.

Generate block letter ASCII art text from any input with multiple display styles.

Create styled HTML buttons with customizable colors, sizes, and hover effects.

Interactive to-do list with categories, persistent storage, and quick actions.

Find the closest named CSS color from any hex value with instant display.

RGB, HSL, and hex color picker with slider controls, history, and palette building.

Count down to any date and time with formatted display and browser notifications.

Generate .gitignore files for your project framework or tech stack.

Analyze heading hierarchy and structure to find accessibility and SEO issues.

Generate HMAC signatures with SHA algorithms for secure message authentication.

Minify or beautify HTML code with compression statistics and optimization.

Minify or format JavaScript code with compression analysis and validation.

Compare two JSON objects side-by-side and identify additions, deletions, and changes.

Explore JSON data as an interactive tree and get property paths in dot or bracket notation.

Quick reference for JSON Web Token claims, algorithms, and structure.

Compare and choose the right open source license for your project.

Sort text lines alphabetically, by length, numerically, or randomly.

Searchable reference for file extensions and corresponding MIME types.

Preview how your Open Graph tags display on Facebook, Twitter, LinkedIn, and Discord.

Visual editor for package.json with script presets and dependency management.

80+ regex patterns categorized and searchable for common use cases.

Create scroll-snap layouts with visual controls and live preview.

Generate linear and geometric spacing scales for consistent design systems.

Convert times between 30+ timezones with automatic DST handling.

Translate, rotate, scale, and skew elements with live 3D preview.

Build CSS transitions with cubic-bezier curve editor and live previews.

Parse and analyze browser and device information from user agent strings.

Test webhooks with payload builder, templates, and request inspection.

Create gradient text effects with CSS. Pick colors, adjust direction, copy code.

View and edit binary data in hexadecimal with file loading and byte inspection.

Generate XML sitemaps with priority and change frequency for SEO.

Analyze page titles, meta descriptions, and keywords with a live SERP preview.

Convert text between UTF-8, ASCII, URL encoding, HTML entities, Unicode escapes, and more.

Visual cron syntax guide with 30+ categorized expressions, search, copy, and next run calculator.

Build a design system with CSS custom properties. Add, import, preview, and export to CSS/SCSS/JSON/Tailwind.

Complete Docker Compose reference with 50+ searchable directives and ready-to-use YAML templates.

Visual media query generator with Bootstrap, Tailwind presets, live breakpoint detection, and one-click copy.

Design custom CSS progress bars with animated stripes, gradient fills, presets, and live preview.

Visually design CSS clip-path shapes with drag handles, presets, and one-click code copy.