Free Tools Platform
CSS Box Shadow Generator, Email Deliverability Auditor,
SSL Inspector & more — all free, no sign-up.
Visually design layered CSS box shadows with live preview and code export.
Audit SPF, DKIM, DMARC & MX records and get instant fix suggestions for email delivery.
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.
Build professional product catalogs from images and export as PDF instantly.
Decode and inspect JSON Web Tokens instantly — view header, payload, claims, and expiration status.
Generate SEO, Open Graph, and Twitter Card meta tags with live social preview mockups.
Build cron schedules visually with human-readable descriptions and next-run preview.
Build and test HTTP requests in the browser — a lightweight Postman alternative.
Generate QR codes from text, URLs, email, WiFi, or vCard with custom colors and download.
Visual flexbox playground with container and item controls, presets, and live CSS output.
Visual CSS Grid playground with template areas and layout presets.
Visual keyframe animation builder with presets and live preview.
Visual CSS filter editor with blur, brightness, contrast, and 8 presets.
84 tools available — cycling preview
All Tools
Visually design layered CSS box shadows with live preview and code export.
Extract dominant colors from any image. Export as CSS variables, Tailwind, or JSON.
Test foreground/background pairs against WCAG AA & AAA accessibility standards.
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.
Build professional product catalogs from images and export as PDF instantly.
Compress JPEG, PNG, and WebP images in-browser. No uploads, instant download.
Audit SSL certificates, verify CA chain, and surface security flags instantly.
Create beautiful CSS gradients with a visual editor and export ready-to-use code.
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.
Calculate and visualize aspect ratios with social media presets and CSS output.
LIVE AI in Real Time
A real-time broadcast of Claude AI in action — tool calls, file edits, build commands, and task completions streaming live as they happen. Mission control for the curious.
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