162+ Tools Comprehensive Tools for Webmasters, Developers & Site Optimization

CSS Minifier

Minify your CSS files to reduce file size and boost performance.

CSS Formatter

Beautify and reformat CSS for better readability and structure.

Gradient Generator

Create beautiful CSS gradients with live preview and code output.

Box Shadow Generator

Design and preview custom box shadows for any UI element.

CSS Grid Layout Generator

Visualize and build CSS grid layouts with a drag-and-drop interface.

CSS Animation Generator

Create and preview custom CSS animations with adjustable parameters.

CSS Specificity Calculator

Calculate the specificity of any CSS selector to diagnose style conflicts.

CSS Vendor Prefixer

Add vendor prefixes to your CSS for better cross-browser compatibility.

CSS Color Contrast Checker

Calculate the contrast ratio between two colors to ensure accessibility.

CSS Media Query Generator

Quickly generate responsive media query code using custom breakpoints.

CSS Flexbox Generator

Create a flex container CSS snippet with custom flex properties.

CSS Clip Path Generator

Generate clip-path CSS shapes with preview and custom options.

CSS Variable Generator

Create CSS custom properties quickly for easier theme management.

CSS Filter Generator

Create CSS filter rules for effects like blur, brightness, and more.

CSS Text Shadow Generator

Generate text-shadow CSS rules for elegant typography effects.

CSS Border Radius Generator

Generate rounded corners for any element with custom radius values.

Meta Tag Analyzer

Analyze title, meta, OG, and Twitter tags for any page.

Robots.txt Generator

Create and validate robots.txt files to manage search indexing.

Sitemap Generator

Generate structured sitemaps to improve crawl coverage.

Broken Link Checker

Scan for broken links on your site to fix SEO issues fast.

SERP Snippet Preview

Preview how your page title, URL, and meta description appear in search results.

Schema Markup Generator

Generate JSON-LD schema markup to enhance your SEO structured data.

OG Tag Generator

Generate Open Graph meta tags to boost your social sharing.

Twitter Card Generator

Generate meta tags for Twitter Cards with customizable parameters.

Keyword Density Analyzer

Analyze word frequency and density in your text for SEO optimization.

Heading Tag Analyzer

Analyze your H1–H6 structure to optimize headings for SEO.

Hreflang Tag Generator

Generate <link> tags for multi-language or multi-regional SEO.

Redirect Checker

Analyze redirect chains, load times, domains, and more.

Canonical Tag Checker

Validate your canonical URL and avoid duplicate content issues.

HTTP Header Checker

Inspect response headers for SEO and performance clues.

Structured Data Checker

Validate JSON-LD and microdata to unlock rich results.

Image ALT Tag Checker

Find missing or empty alt attributes for better SEO & accessibility.

Open Graph Tag Checker

Ensure your social previews are correct with og:title, og:image, etc.

Mobile-Friendliness Checker

Spot viewport, Flash, or oversized elements that hinder mobile UX.

Robots.txt Tester

Check your site's robots.txt and test allow/disallow rules.

HTML-to-Text Ratio Checker

Find the balance between your page’s code and content.

Search Engine Spider Simulator

See your webpage the way a simple bot does: text, headings, links, and more.

Readability Checker

Calculate Flesch-Kincaid & Gunning Fog to assess content clarity.

Page Indexability Checker

See if your page is blocked by noindex, robots.txt, or off-domain canonicals.

Link Relationship Checker

Analyze your links for nofollow, sponsored, or UGC attributes.

AMP Page Validator

Check your page’s compliance with basic AMP requirements.

FAQ Schema Generator

Create structured FAQ JSON-LD for rich results in SERPs.

Product Schema Generator

Create JSON-LD markup for your product details, brand, and ratings.

Event Schema Generator

Create structured data for conferences, concerts, or any public event.

Job Posting Schema Generator

Structure your job listing data for rich results and increased visibility.

Local Business Schema Generator

Help customers find your physical location with rich local listing data.

How-To Schema Generator

Create step-by-step JSON-LD markup for tutorials and instructions.

Recipe Schema Generator

Build JSON-LD markup for your ingredients, instructions, and times.

News Article Schema Generator

Create structured data for headline, dates, author, and publisher.

Breadcrumb Schema Generator

Enable breadcrumb navigation in SERPs for your site hierarchy.

Video Schema Generator

Generate structured data for your videos to enable rich video previews.

Content Freshness Checker

Evaluate how old a page’s content appears via headers and meta dates.

URL Structure Analyzer

Check if your URL is clean, lowercase, and SEO-friendly.

Internal Anchor Analyzer

Evaluate the diversity and effectiveness of your internal link anchor texts.

WHOIS Lookup

View domain registration and ownership information.

DNS Propagation

Check worldwide DNS propagation after domain updates.

SSL Certificate Checker

Check certificate expiry and issuing authority for any domain.

DNS Record Viewer

Retrieve A, CNAME, MX, TXT and all DNS records for a domain.

Domain Ping Tester

Test connectivity and measure latency for a domain.

Domain Port Scanner

Scan a domain for open ports among common services.

Subdomain Finder

Scan a domain for common subdomains and view their IP addresses.

Domain Blacklist Checker

Check if a domain's IP appears on common spam/security blacklists.

Domain MX Checker

Validate MX records and test connectivity to mail servers.

DNSSEC Checker

Verify if your domain is secured with DNSSEC for enhanced protection.

Zone Transfer Tester

Test if unauthorized zone transfers are allowed for your domain.

Domain Expiry Checker

Monitor when your domain expires to avoid unintentional downtime.

Nameserver Consistency Checker

Ensure WHOIS and DNS nameserver data match to confirm proper DNS configuration.

Reverse DNS Lookup

Retrieve the PTR record for an IP address to verify hostname resolution.

DMARC Checker

Verify your domain’s DMARC record for strong email security.

SPF Record Checker

Verify your SPF record to protect against email spoofing.

CAA Record Checker

Verify which CAs are authorized to issue certificates for your domain.

Glue Record Checker

Verify that in-bailiwick nameservers have proper glue records to ensure seamless DNS resolution.

Domain Lock Checker

Review your domain's WHOIS status flags to determine if it’s locked for transfer or updates.

TLSA Record Checker

Verify that your TLSA records (for DANE) are properly configured for your service.

JSON Beautifier

Format, validate, and minify JSON input for readability or compact size.

HTML Encoder/Decoder

Convert text to and from HTML-safe entities for use in webpages.

UUID Generator

Create v1 or v4 UUIDs for applications, databases, and APIs.

Regex Tester

Test regular expressions and extract matches from sample input.

Base64 Encoder/Decoder

Convert text to and from Base64 encoding for secure data transfer.

URL Encoder/Decoder

Convert text to and from URL-encoded format for web use.

Markdown Converter

Convert Markdown text to HTML for web development and content publishing.

CSV to JSON Converter

Convert CSV data into JSON format for easy data processing.

SQL Formatter

Improve the readability of your SQL queries with proper formatting.

XML Formatter

Format and validate XML data for improved readability and debugging.

JavaScript Minifier

Reduce the size of your JavaScript code for faster load times.

JavaScript Obfuscator

Protect your JavaScript code by converting it into a less-readable form.

Code Diff Checker

Compare two versions of code or text and see the exact differences.

Code Comment Remover

Strip out comments from your code to see just the executable logic.

YAML Formatter/Validator

Convert and validate YAML data for clear, error-free configuration.

CSS to SCSS Converter

Convert standard CSS code into structured SCSS syntax effortlessly.

HTML Table to CSV Converter

Quickly convert HTML tables into CSV data format for easy export.

JSON to CSV Converter

Easily transform JSON data into CSV format for spreadsheets and databases.

CSV Column Extractor

Extract specific columns from CSV data quickly and easily.

INI to JSON Converter

Easily convert INI configuration files to JSON format.

CSV to HTML Table Converter

Convert CSV data into clean, copy-ready HTML tables for websites.

JavaScript to Bookmarklet Converter

Convert any JavaScript into a portable, browser-executable bookmarklet.

Hex to RGB Converter

Convert hex color codes into RGB and RGBA for web styling and design.

JavaScript Escape/Unescape

Safely convert between raw text and JavaScript-escaped string formats.

Regex Pattern Generator

Generate custom regular expressions based on natural rules like starts with, contains, ends with.

Function Signature Extractor

Extract and review function declarations in your code for quick documentation.

Code Metrics Analyzer

Analyze your code to understand its structure with counts of lines, comments, and more.

Cyclomatic Complexity Calculator

Analyze your code’s decision paths to gauge maintainability and testability.

Variable Naming Converter

Convert variable names between snake_case, camelCase, PascalCase, and kebab-case.

Bracket Validator

Check if all brackets ((), {}, []) in your code are properly balanced.

Indentation Normalizer

Convert code indentation between tabs and spaces to ensure consistency.

Quotation Style Converter

Convert single quotes to double quotes and vice versa for consistent code style.

Code Token Frequency Analyzer

Analyze your code to see the frequency of tokens (identifiers, keywords, etc.) for deeper insights.

Syntax Highlighter

Transform your code into visually enhanced snippets with keyword highlighting.

Duplicate Code Finder

Find duplicate lines in your code to improve clarity and maintainability.

License Header Inserter

Automatically insert or update a license header in your code files.

JS Var Converter

Convert legacy var declarations to modern let or const for improved code clarity.

Docstring Converter

Convert between Google‑style and NumPy‑style docstrings for consistent, clear documentation.

Doc Outline Generator

Generate a structured overview of your Python code, including functions, classes, and methods with docstring summaries.

Bracket Nesting Depth Analyzer

Measure the complexity of your code by analyzing the maximum and average nesting depth of brackets.

Code Line Length Analyzer

Analyze your code’s line lengths with detailed statistics and a visual histogram to enforce readability standards.

TODO & FIXME Extractor

Extract, summarize, and get context for inline tags like TODO, FIXME, BUG, NOTE.

Cyclomatic Complexity Analyzer

Compute and flag function complexity (sum, avg, median, histogram) for Python & JS.

Function Length Inspector

Measure and flag total vs. code lines per function, with stats, sorting, and histograms.

HTML Formatter

Format and validate HTML markup for improved readability and debugging.

Regex Explainer

Break down regex into English, view group/lookaround counts, and access a quick‑reference cheat sheet.

JSONPath Evaluator

Query JSON with JSONPath, choose output (JSON, text, paths, CSV), and view match stats.

JSON Schema Generator

Infer validation schemas from one or more sample JSON objects—select draft, toggle required & additionalProperties.

Import Organizer

Sort & group imports, remove unused, and optionally Black‑format your Python code.

JSON Schema → TS Interface

Convert schemas into nested TS interfaces, enums, JSDoc & readonly options.

HTTP Request Snippet Generator

Generate code in cURL, Python, JS, Go, Ruby, PHP & C# with query params, auth, and indent options.

JSON Schema Faker

Generate realistic JSON/YAML samples from any JSON Schema with constraints, defaults, examples, unique items & seeding.

SQL → ORM Model Generator

Convert SQL CREATE TABLE statements into SQLAlchemy or Django model classes with type mapping and optional __repr__/__str__.

SQL → MongoDB Query Converter

Convert SQL SELECT into MongoDB queries (shell, Python, Node.js).

JSON → Python Data Classes

Instantly generate Python dataclasses, Pydantic models, or attrs classes from JSON.

UML Class Diagram Generator

Convert Python classes into PlantUML with inheritance, associations, and visibility toggles.

Load Time Tester

Measure how long a site takes to respond and render.

HTTP Header Checker

See the HTTP response headers returned by any website.

Page Size Analyzer

Get a breakdown of total page weight by asset type.

SSL Security Analyzer

Inspect certificate expiration and detect weak TLS settings.

TTFB Checker

Measure the time it takes for a server to send the first byte of a response.

DNS Resolution Tester

Measure the speed of DNS lookups for a domain and view its IP address.

Compression Checker

Check if your website is using compression and see how much data is saved.

Asset Load Time Analyzer

Measure the load times of images, CSS, and JavaScript on your webpage.

DOM Complexity Analyzer

Measure the total number of nodes and maximum nesting depth of your site’s DOM.

Cache Header Checker

Examine your website's caching headers to ensure efficient resource delivery.

Script Load Order Analyzer

Examine how scripts are loaded on your page to identify performance issues.

HTTP/2 Support Checker

Determine if a website is served over HTTP/2 and view connection details.

Hash Generator

Generate MD5, SHA1, SHA256, SHA384, and SHA512 hashes from text.

Security Headers Checker

Check if a website has proper security headers configured.

CSP Generator

Generate Content Security Policy headers for your website.

JWT Decoder

Decode and analyze JSON Web Tokens to view header and payload.

SRI Generator

Generate Subresource Integrity hashes for external scripts and styles.

Password Generator

Generate secure, random passwords with customizable options.

Word Counter

Count words, characters, sentences, and paragraphs in your text.

Lorem Ipsum Generator

Generate placeholder text for your designs and layouts.

Case Converter

Convert text to uppercase, lowercase, title case, and more.

Text Diff

Compare two pieces of text and highlight the differences.

Slug Generator

Convert text into URL-friendly slugs for SEO-optimized links.

Reading Time Calculator

Estimate how long it takes to read your content.

Duplicate Line Remover

Remove duplicate lines from your text quickly and easily.

Text Reverser

Reverse text by characters, words, or lines.

Placeholder Generator

Create custom placeholder images for your designs and mockups.

Favicon Generator

Generate favicons from text in multiple sizes for your website.

Base64 Image Encoder

Convert images to Base64 for embedding directly in HTML or CSS.

Color Palette Generator

Generate beautiful color palettes for your designs.

Image to CSS Gradient

Extract dominant colors from an image to create CSS gradients.

SVG to CSS

Convert SVG code to CSS background-image for inline use.