Web Tools
A growing collection of privacy-first tools that run entirely in your browser. No signup, no ads, no data collection.
Is This Site Down?
Check if a website is down for everyone or just you with real-time status and response time
URL Unshortener
Reveal the real destination behind any shortened URL without clicking it — check for safety
Redirect Checker
Follow the full redirect chain of any URL and see every hop, status code, and final destination
JSON Formatter
Format, validate, minify, and convert JSON with tree view and syntax highlighting
Regex Tester
Test regular expressions with real-time matching, highlighting, and explanation
Diff Tool
Compare two text inputs side-by-side with character-level diff highlighting
Markdown Editor
Write Markdown with live preview, GitHub Flavored Markdown support, and export
Word Counter
Count words, characters, sentences, paragraphs, and reading time with keyword density
Case Converter
Convert text between camelCase, snake_case, PascalCase, UPPER, lower, Title Case, and more
Lorem Ipsum Generator
Generate placeholder text in paragraphs, sentences, or words with multiple styles
Text Sorter & Deduplicator
Sort lines alphabetically or numerically, remove duplicates, reverse, shuffle, and filter
Slug Generator
Generate URL-friendly slugs from text with transliteration and custom separator options
SQL Formatter
Format, beautify, and minify SQL queries with syntax highlighting and dialect support
JSON Repair
Fix broken JSON from AI outputs — trailing commas, single quotes, missing brackets, and comments
Base64 Encoder
Encode and decode text or files to and from Base64 with URL-safe variant support
URL Encoder
Encode and decode URLs with query string parsing and component breakdown
HTML Entities
Encode and decode HTML entities with named, decimal, and hex entity support
UUID Generator
Generate UUID v1, v4, v7, ULID, and Nano ID with bulk generation and validation
Hash Generator
Compute MD5, SHA-1, SHA-256, SHA-512 hashes for text and files client-side
JWT Debugger
Decode, verify, and generate JSON Web Tokens with signature validation and claim inspection
Checksum Calculator
Compute and verify file checksums via drag-and-drop with MD5, SHA-256, SHA-512 support
Cron Builder
Build and explain cron expressions with visual builder and next execution times
Code Formatter
Format and beautify code in 15+ languages with configurable indentation and style
Code Minifier
Minify JavaScript, CSS, and HTML with size comparison and gzip size estimate
Chmod Calculator
Calculate Unix file permissions with visual toggles and symbolic/octal notation
OG Meta Generator
Generate Open Graph and Twitter Card meta tags with live social preview cards
Data Converter
Convert between JSON, YAML, CSV, XML, and TOML with bidirectional support
Color Converter
Convert between HEX, RGB, HSL, HSV, CMYK with palette generation and contrast checker
Timestamp Converter
Convert between Unix timestamps and human dates with timezone support and date math
Number Base Converter
Convert between binary, octal, decimal, hex and arbitrary bases with bitwise operations
Unit Converter
Convert between units of length, weight, temperature, volume, speed, data, and more
Aspect Ratio Calculator
Calculate and convert aspect ratios for images, video, and responsive design
QR Code Generator
Generate QR codes for URLs, text, WiFi, vCards with custom colors and logo embedding
Image Compressor
Compress JPEG, PNG, WebP images in-browser with quality slider and before/after preview
Favicon Generator
Generate favicons from image, text, or emoji with all platform sizes and HTML code
SVG to PNG
Convert SVG to PNG at any resolution with transparent background support
Placeholder Image
Generate customizable placeholder images with text, colors, and various dimensions
Emoji Picker
Search, browse, and copy emojis by category with skin tone variants and recently used
CSS Gradient Generator
Create linear, radial, and conic CSS gradients with live preview and code output
Box Shadow Generator
Design CSS box shadows with visual controls for offset, blur, spread, and color
Flexbox Playground
Interactive CSS Flexbox playground to learn and generate flex container and item properties
Tailwind Colors
Browse and copy all Tailwind CSS colors with shades, contrast info, and custom palette builder
HTTP Status Codes
Searchable reference of all HTTP status codes with descriptions, examples, and use cases
MIME Types
Searchable MIME type reference with file extensions, categories, and common usage
Browser Info
View detailed browser, OS, screen, and device info with privacy and fingerprint analysis
User Agent Parser
Parse and decode user agent strings to identify browser, OS, device, and bot detection
DNS Lookup
Look up DNS records for any domain — A, AAAA, MX, TXT, NS, and CNAME with instant results
SSL Certificate Checker
Check any domain's SSL/TLS certificate — validity, issuer, expiration, and security grade
HTTP Headers Checker
Inspect all HTTP response headers for any URL with security header analysis and grading
WHOIS Lookup
Look up domain registration details — registrar, creation date, expiration, and name servers
IP Subnet Calculator
Calculate IP subnets, CIDR notation, network ranges, and wildcard masks for IPv4 and IPv6