Free tools, zero uploads
269 browser tools for planning, diagnosing and building websites: SEO generators and checkers, WordPress utilities, business calculators, production checklists and developer helpers. Everything runs locally, nothing is uploaded, ever.
Diagnostics
Website Doctor: Why Is My Website…?
Answer a few questions, get a specific diagnosis and the fix path for slow, broken or invisible websites.
HTML Source Analyzer
Paste your page source, get a full SEO and health readout: meta, headings, images, links, scripts.
Heading Structure Checker
Paste HTML, get your H1-H6 outline with hierarchy errors flagged.
Planning
Project Brief Generator
Turn a vague idea into a structured technical brief developers can quote from.
Website Planner
Generate a starting website structure for your business type: pages, sections and notes.
What Developer Do I Need?
Answer what you want built, get the recommended stack, skills, complexity and developer type.
Website Requirements Generator
Structured requirements from your goals, features and constraints, exportable.
Website Scope Generator
In/out scope statements with assumptions and exclusions, from your inputs.
Website Page Planner
Plan page-by-page goals, sections and CTAs before design starts.
Website Navigation Generator
Generate a sensible nav structure from your page list.
Website Feature Planner
Pick features, see cost impact, dependencies and phase recommendations.
Website Discovery Questionnaire
The discovery questionnaire that surfaces real requirements before quoting.
Website RFP Generator
Generate a complete RFP document vendors can actually quote from.
Website Maintenance Planner
Build your maintenance plan: tasks, frequency, ownership and budget.
Website Project Estimator
Quick budget band from five inputs, with the honesty ranges published.
Restaurant Website Planner
Generate the right website structure for a restaurant: pages, sections and what each must achieve.
Hotel Website Planner
Generate the right website structure for a hotel: pages, sections and what each must achieve.
Dentist Website Planner
Generate the right website structure for a dentist: pages, sections and what each must achieve.
Law Firm Website Planner
Generate the right website structure for a law firm: pages, sections and what each must achieve.
Contractor Website Planner
Generate the right website structure for a contractor: pages, sections and what each must achieve.
Plumber Website Planner
Generate the right website structure for a plumber: pages, sections and what each must achieve.
Electrician Website Planner
Generate the right website structure for a electrician: pages, sections and what each must achieve.
Real Estate Agency Website Planner
Generate the right website structure for a real estate agency: pages, sections and what each must achieve.
SaaS Company Website Planner
Generate the right website structure for a saas company: pages, sections and what each must achieve.
Agency Website Planner
Generate the right website structure for a agency: pages, sections and what each must achieve.
Consultant Website Planner
Generate the right website structure for a consultant: pages, sections and what each must achieve.
Photographer Website Planner
Generate the right website structure for a photographer: pages, sections and what each must achieve.
Gym Website Planner
Generate the right website structure for a gym: pages, sections and what each must achieve.
Clinic Website Planner
Generate the right website structure for a clinic: pages, sections and what each must achieve.
School Website Planner
Generate the right website structure for a school: pages, sections and what each must achieve.
College Website Planner
Generate the right website structure for a college: pages, sections and what each must achieve.
Travel Company Website Planner
Generate the right website structure for a travel company: pages, sections and what each must achieve.
Tour Operator Website Planner
Generate the right website structure for a tour operator: pages, sections and what each must achieve.
Ecommerce Store Website Planner
Generate the right website structure for a ecommerce store: pages, sections and what each must achieve.
Local Service Business Website Planner
Generate the right website structure for a local service business: pages, sections and what each must achieve.
Business Calculators
Website Cost Calculator
Estimate what your website should cost: project type, size, features, care, in INR and USD.
WordPress Cost Calculator
WordPress-specific cost estimate: theme approach, plugins, Woo, maintenance.
Shopify Cost Calculator
Shopify build cost plus the yearly platform and app math people forget.
WooCommerce Cost Calculator
WooCommerce build cost: catalog, payments, and the care plans stores need.
Ecommerce Website Cost Calculator
Store cost estimate from catalog size, features and payment complexity.
Website Redesign Cost Calculator
Refresh, rebuild or replatform: estimate the right scope honestly.
Website Maintenance Cost Calculator
What honest care costs per month by site type and response needs.
Hosting Cost Calculator
Realistic yearly hosting and domain math for your site type and traffic.
Website ROI Calculator
Model what a website project must return: traffic, conversion, order value, payback.
SEO ROI Calculator
Model SEO investment returns from ranking targets and click-through math.
Lead Value Calculator
What is one lead actually worth? Compute from close rate and deal size.
Conversion Rate Calculator
Compute conversion rates, lift scenarios and the traffic needed per goal.
Landing Page ROI Calculator
Will the landing page pay back? Model spend, conversion and value.
CAC Calculator
Customer acquisition cost by channel, with payback period.
CLV Calculator
Customer lifetime value from retention, margin and purchase frequency.
Break-Even Calculator
Break-even units and revenue from price, cost and fixed overhead.
Profit Margin Calculator
Margin, markup and real profit from cost and price.
Ad Budget Calculator
Size an ad budget from target conversions, CPC and expected conversion rate.
Marketing ROI Calculator
Channel-level ROI from spend, attributed revenue and overhead.
Revenue Growth Calculator
Growth scenarios: compounding rates, targets and time-to-goal.
Developer Rate Calculator
The rate you should charge from costs, taxes and billable hours.
Freelance Rate Calculator
Freelance pricing by hour, day and project with the India-market context.
Development Hours Calculator
Estimate build hours by component from scope selections.
Project Complexity Calculator
Score project complexity and see what it means for budget and team.
API Integration Cost Calculator
Estimate integration cost by API type, auth and failure handling.
Maintenance Hours Calculator
The real monthly hours a healthy site needs, by activity.
Website Timeline Calculator
Realistic build timeline from scope, content readiness and review speed.
Agency vs Freelancer Calculator
Compare costs and outcomes for your project type across hiring models.
In-House vs Freelance Calculator
Loaded cost comparison for your actual workload.
Hiring Tools
Developer Interview Question Generator
Generate interview questions by role and skill, with what good answers contain.
Developer Job Description Generator
Generate honest job posts that attract the right developers.
Developer Skill Assessment
A quick, honest skill self-assessment with a study path by gap.
Checklists
WordPress Launch Checklist
The WordPress-specific pre-launch checklist: permalinks to XML-RPC.
WordPress Migration Checklist
Migrate without losing rankings: the full pre, during and post checklist.
WordPress Security Checklist
Harden WordPress: the attack surface checklist from logins to headers.
WordPress SEO Checklist
The WordPress SEO setup checklist: titles, schema, sitemaps, speed.
WordPress Backup Checklist
What a real WordPress backup includes, and the restore test most people skip.
Developer Hiring Checklist
Vet any developer against the red flags and proof questions before paying.
Developer Contract Checklist
The clauses that protect both sides, checked against your contract.
Website Handover Checklist
Verify you actually own everything: the handover and takeover checklist.
Website Launch Checklist
The pre-launch checklist that catches the failures launch days are famous for.
Website Redesign Checklist
Plan a redesign without losing rankings: the full sequence.
Website Migration Checklist
The generic migration checklist: pre, during, post, with rollback.
Website Maintenance Checklist
The monthly, quarterly and annual website maintenance schedule.
SEO Checkers
Canonical Tag Checker
Paste HTML, verify the canonical tag: present, absolute, self-or-intentional.
Favicon Checker
Paste your head HTML, verify the full favicon set against current platform requirements.
Meta Title Checker
Check title length with a live Google SERP preview.
Meta Description Checker
Check description length with a live SERP preview.
Robots.txt Tester
Paste a robots.txt and a URL, see exactly which rule applies and why.
XML Sitemap Validator
Paste sitemap XML, get structural validation: URL count, malformed entries, bad lastmod values.
Sitemap URL Extractor
Paste sitemap XML, get the clean URL list out, one per line.
Schema Markup Extractor
Paste page HTML, extract and validate all JSON-LD blocks found.
Keyword Density Checker
Analyze keyword frequency and distribution in your content.
Readability Checker
Score your content for readability: grade level, sentence length, passive voice density.
Content Similarity Checker
Compare two texts and get a similarity score with matched passages.
Internal Link Auditor
Paste your page HTML, map every internal link and its anchor text.
URL Structure Checker
Check any URL for length, depth, hyphens, parameters, case and stop words.
URL Length Checker
Check URL length against browser limits and SERP truncation.
SEO Generators
Robots.txt Generator
Generate a correct robots.txt with sitemap location, AI-bot rules and per-bot disallows.
XML Sitemap Generator
Paste URLs, get a valid sitemap.xml ready to upload.
Canonical URL Generator
Build clean canonical URLs from domain, path and parameters with rules applied.
HTML Sitemap Page Generator
Generate a styled HTML sitemap page from your URL list.
Schema Generators
FAQ Schema Generator
Generate valid FAQPage JSON-LD from your questions and answers.
Article Schema Generator
Generate Article JSON-LD with author, dates and publisher.
Local Business Schema Generator
Generate LocalBusiness JSON-LD with NAP, hours and geo.
Organization Schema Generator
Generate Organization JSON-LD with logo, sameAs profiles and contact.
Person Schema Generator
Generate Person JSON-LD with role, profiles and sameAs.
WebSite Schema Generator
Generate WebSite JSON-LD with name, URL and potential search action.
WebPage Schema Generator
Generate WebPage JSON-LD for any page with breadcrumbs.
Service Schema Generator
Generate Service JSON-LD with provider, area and offer.
Product Schema Generator
Generate Product JSON-LD with offer, price and availability.
Breadcrumb Schema Generator
Generate BreadcrumbList JSON-LD from your page trail.
Review Schema Generator
Generate Review and AggregateRating JSON-LD the honest way: real, verifiable reviews only.
Event Schema Generator
Generate Event JSON-LD with dates, venue and offers.
JobPosting Schema Generator
Generate JobPosting JSON-LD with title, org, location and salary band.
Course Schema Generator
Generate Course JSON-LD with provider and structure.
Video Schema Generator
Generate VideoObject JSON-LD with thumbnail, duration and upload date.
Image Schema Generator
Generate ImageObject JSON-LD for featured and content images.
ProfilePage Schema Generator
Generate ProfilePage JSON-LD linking person or organization.
Redirects
.htaccess Redirect Generator
Generate 301/302 redirect rules for Apache from old-new URL pairs.
Nginx Redirect Generator
Generate nginx redirect directives from old-new URL pairs.
Redirect Map Generator
Paste old and new URL lists, get a matched redirect map with status per pair.
URL Redirect Generator
Generate redirect snippets for any server: Apache, nginx, Netlify, Vercel, Cloudflare.
Keywords & Content
Keyword Clustering Tool
Cluster keywords by shared terms into topic groups, exportable.
Keyword Intent Classifier
Classify keywords as informational, commercial, transactional or navigational.
Long-Tail Keyword Generator
Generate long-tail variants from your seed with question and modifier patterns.
Question Keyword Generator
Generate the questions people actually search, from your topic.
Comparison Keyword Generator
Generate vs, best, alternative and review patterns for your market.
Local Keyword Generator
Generate local search patterns: service x location x modifier.
Keyword Modifier Generator
Expand seeds with commercial, informational and local modifiers.
Keyword Combination Generator
Combine lists A x B into every sensible pairing.
Keyword Cannibalisation Checker
Paste page-keyword pairs, find pages competing for the same intent.
Keyword Cleaner
Clean keyword exports: dedupe, strip volume columns, remove junk rows.
Keyword Frequency Counter
Count term frequency across your keyword list.
SEO Content Brief Generator
Generate a content brief: audience, angle, structure, keywords, links.
Blog Outline Generator
Generate article outlines from topic and angle, H2 by H2.
FAQ Generator
Generate the FAQ section your buyers need, from your topic and audience.
Topic Cluster Generator
Map a pillar and spokes structure for your topic.
Internal Linking Planner
Plan internal links between your pages with anchor suggestions.
Anchor Text Generator
Generate varied, natural anchor text variations for your links.
SEO Title Generator
Generate title options with length grading and pattern variety.
Meta Description Generator
Generate description options that fit SERP limits and sell the click.
Content Gap Analyzer
Compare your page list against a competitor list, find the gaps.
WordPress
wp-config.php Generator
Generate a hardened wp-config.php with fresh salts, table prefix and debug settings.
Maintenance Mode Snippet Generator
Generate an .htaccess maintenance mode snippet with your IP allow-listed.
Custom Post Type Generator
Generate register_post_type code from your labels, supports and slug.
Custom Taxonomy Generator
Generate register_taxonomy code for your custom post types.
Shortcode Generator
Generate a self-contained shortcode with attributes and output handler.
WP-Cron Schedule Generator
Generate custom cron intervals and scheduled hooks correctly.
WP_Query Generator
Generate WP_Query code from post type, taxonomy, meta and pagination fields.
WordPress robots.txt Generator
Generate a WordPress-correct robots.txt with sensible defaults and sitemap.
WordPress .htaccess Generator
Generate the standard WordPress rewrite block plus optional hardening rules.
WooCommerce
WooCommerce Product Schema Generator
Generate product schema tuned for WooCommerce stores.
WooCommerce SKU Generator
Generate clean SKUs from your naming pattern, in bulk.
WooCommerce Coupon Code Generator
Generate unguessable, readable coupon codes in bulk.
WooCommerce Product CSV Generator
Generate an import-ready product CSV template with your columns.
WooCommerce Variation Generator
Generate every attribute combination as a variation list.
WooCommerce Description Template Generator
Generate honest product description templates that sell, per category.
WooCommerce URL Generator
Clean product URLs from titles with your prefix rules.
WooCommerce Checkout Audit
Question-based checkout audit: find where your orders leak.
Local SEO
Local SEO Checker
Audit your local presence: NAP, GBP, citations, reviews and pages.
NAP Consistency Checker
Paste your listings, find NAP inconsistencies that cost local rankings.
Google Review Link Generator
Generate your direct Google review link from place ID or search URL.
Review Response Generator
Generate professional review responses by rating and situation.
Review Request Generator
Generate review request messages for SMS, email and WhatsApp.
Local Landing Page Generator
Generate a local landing page outline that avoids the doorway trap.
Local FAQ Generator
Generate locally-relevant FAQs from your business and area.
AI Search
AI Visibility Checker
Test how visible your business is in AI search: prompts to run, what to record.
AI Crawler Access Checker
Paste robots.txt, see whether GPTBot, ClaudeBot, PerplexityBot and friends may crawl you.
AI Citation Checker
Track which sources AI engines cite for your queries, in a structured sheet.
AI Brand Prompt Generator
Generate the probe prompts that reveal how AI engines describe your business.
Email & DNS
DNS Lookup
Live DNS lookups: A, AAAA, CNAME, MX, TXT, NS, PTR, SOA, CAA.
DNS Propagation Checker
Compare your DNS across multiple resolvers worldwide to spot propagation gaps.
SPF Checker
Live SPF record check: syntax, lookups, and what it authorizes.
SPF Record Generator
Build a valid SPF TXT record from your sending services.
DKIM Record Checker
Look up your DKIM records live by selector and domain.
DKIM Record Generator
Generate the DKIM TXT record template for your selector and key.
DMARC Record Checker
Live DMARC record check: policy, alignment, reporting addresses.
DMARC Record Generator
Generate a DMARC TXT record with policy and reporting options.
MX Record Checker
Look up mail servers for any domain, live.
Email Header Analyzer
Paste an email header, get the route, authentication results and delays.
Domain Age Checker
Check domain creation and last-modified dates via RDAP, live.
Domain Expiry Checker
Check domain registration expiry via RDAP before it is too late.
Domain Availability Checker
Check if a domain is registered via RDAP.
Email Signature Generator
Generate a clean HTML email signature with your details.
Security
Mixed Content Checker
Paste HTML, find every insecure http:// resource that breaks HTTPS pads.
Security Header Checker
Paste response headers, get a security grade with fixes per missing header.
CSP Header Generator
Generate a Content-Security-Policy from what your page actually loads.
Permissions-Policy Generator
Generate a Permissions-Policy header for the APIs you allow.
HSTS Header Generator
Generate a correct Strict-Transport-Security header with preload decision.
security.txt Generator
Generate the file that tells researchers where to report vulnerabilities.
Cookie Security Checker
Paste Set-Cookie headers, audit flags: Secure, HttpOnly, SameSite.
Password Strength Checker
Test password strength with entropy, crack-time and tips. Nothing leaves your browser.
Password Generator
Generate strong passwords and passphrases with your constraints.
Accessibility
Image Alt Text Checker
Paste HTML, find every image missing alt text, with context.
Color Contrast Checker
Check WCAG AA/AAA contrast between text and background colors.
Form Accessibility Checker
Paste form HTML, audit labels, errors and required semantics.
ARIA Checker
Paste HTML, find ARIA misuse: roles, labels, orphaned attributes.
Accessible Form Generator
Generate accessible form HTML: labels, fieldsets, error wiring.
Keyboard Navigation Checklist
Test your site by keyboard only: the full pass/fail checklist.
Performance
Render-Blocking Resources Checker
Paste HTML, list every script and stylesheet blocking first paint.
Third-Party Script Checker
Paste HTML, inventory every external script, font and tracker with its load cost.
Image Weight Analyzer
List your images with dimensions and weight from pasted HTML or a file list.
Font Performance Checker
Paste your font CSS, find loading mistakes: faux bold, render blocks, no swap.
Cache-Control Checker
Paste response headers, decode caching: freshness, revalidation, CDN fit.
Docs Generators
README Generator
Generate a solid project README from your inputs.
Changelog Generator
Generate a Keep-a-Changelog format entry from your changes.
API Documentation Generator
Generate API docs from your endpoint list.
Technical Spec Generator
Generate a technical specification document from requirements.
Handover Document Generator
Generate the website handover document every client deserves.
JSON & Data
JSON Formatter
Paste JSON, get it beautifully indented and validated in one step.
JSON Minifier
Strip whitespace from JSON for production payloads.
JSON Validator
Find exactly where broken JSON fails, with the error position.
CSV to JSON Converter
Convert CSV rows into a JSON array, headers as keys.
JSON to CSV Converter
Flatten a JSON array into CSV rows.
JSON to YAML Converter
Convert JSON into clean YAML.
JSON Diff Checker
Compare two JSON documents, key by key, with the differences listed.
Databases
SQL Formatter
Format SQL queries with proper keyword casing and indentation.
SQL to JSON Converter
Convert INSERT statements into JSON records.
JSON to SQL Converter
Generate INSERT statements from JSON records.
CSV to SQL Converter
Generate INSERT statements from CSV data.
SQL INSERT Generator
Generate INSERT statements from column and row definitions.
Regex
Date & Time
Unix Timestamp Converter
Convert timestamps and dates both ways, with your timezone.
Timezone Converter
Convert any time across timezones with overlap-friendly output.
Date Difference Calculator
Days, weeks, working days and business hours between dates.
Working Days Calculator
Count working days between dates, weekend-aware.
Developer Utilities
Cron Expression Generator
Build cron schedules with a plain-English preview of when they run.
Cron Expression Explainer
Paste a cron expression, get exactly when it fires, in English.
UUID Generator
Generate v4 UUIDs, one or in bulk, with export.
Random String Generator
Generate random strings, tokens and API keys with your charset.
JWT Decoder
Decode JWT headers and payloads locally, with expiry check.
User-Agent Parser
Parse user-agent strings into browser, version, OS and device.
HTTP Status Code Explainer
Look up any status code: meaning, common causes and fixes.
Encode & Convert
Base64 Encoder
Encode text to Base64 for data URIs, tokens and configs.
Base64 Decoder
Decode Base64 strings back to readable text.
URL Encoder
Percent-encode text for safe use in URLs and query strings.
URL Decoder
Turn percent-encoded URLs back into readable text.
HTML Entity Encoder
Escape text so HTML special characters display safely.
HTML Entity Decoder
Convert HTML entities back into plain characters.
Text Diff Checker
Compare two texts and see every changed line highlighted.
Text to ASCII Converter
Convert text to ASCII codes and back.
Markdown to HTML Converter
Convert Markdown to clean HTML, live.
HTML to Markdown Converter
Paste HTML, get Markdown back.
HTML Table Generator
Generate HTML tables from rows and columns of data.
HTML Minifier
Minify HTML by stripping comments and whitespace, safely.
Text & Keywords
Duplicate Line Remover
Remove duplicate lines from keyword lists, logs or any text.
Line Sorter
Sort lines A-Z, Z-A, by length, or shuffle.
Whitespace Cleaner
Strip extra spaces, tabs and blank lines.
Case Converter
Convert between Title, camel, snake, kebab, UPPER and lower case.
URL Slug Generator
Turn any title into a clean, SEO-friendly URL slug.
Word & Character Counter
Count words, characters, sentences and reading time.
Color & CSS
HEX to RGB Converter
Convert HEX colors to RGB, with a live preview.
RGB to HEX Converter
Convert RGB to HEX, with a live preview.
CSS Color Converter
Convert between HEX, RGB, HSL, all directions, live.
CSS Gradient Generator
Generate linear and radial gradients with live preview and CSS output.
Box Shadow Generator
Design box shadows visually, copy production CSS.
Border Radius Generator
Design rounded and organic shapes visually, copy the CSS.
CSS clamp() Generator
Generate fluid type and spacing with clamp(), live preview.
Flexbox Generator
Compose flexbox containers visually, copy the CSS.
CSS Grid Generator
Build grid layouts visually, copy the CSS.
Media Query Generator
Generate breakpoint-ready media queries for common devices.
CSS Unit Converter
Convert px, rem, em, pt at any root size.
Aspect Ratio Calculator
Compute missing dimensions for any aspect ratio.
Tailwind Color Finder
Find the nearest Tailwind color for any HEX.
Color Palette Generator
Generate harmonious palettes from a base color.
CSS Transition Generator
Tune transitions visually, copy the CSS.
CSS Button Generator
Design buttons visually with states, copy the CSS.
CSS Navbar Generator
Generate a responsive navbar skeleton with CSS.
Pricing Table Generator
Generate pricing table HTML and CSS, three tiers.
Hero Section Generator
Generate a converting hero section skeleton: headline, sub, CTA.
A tool found your problem?
Diagnosis is free. So is the scope: a written quote within two business days, price at the bottom, yours to keep either way.