AVAILABLE FOR WEB, FLUTTER & QA PROJECTS
AI & LLM Tools
8 Tools AvailableAI Token Calculator
The AI Token Calculator estimates token consumption, character-to-token ratios, and API inference costs across leading foundation models (OpenAI GPT-4o, Claude 3.5 Sonnet, Gemini 1.5/2.0, and Llama 3) without requiring an API key.
Tokens to Words Calculator
The Tokens to Words Calculator translates AI token quantities into human-readable word counts, estimated character lengths, reading durations, and standard book or document pages.
Words to Tokens Calculator
The Words to Tokens Calculator computes the estimated number of subword tokens from word counts or raw text inputs, highlighting context window utilization across major LLM architectures.
Prompt Token Counter
The Prompt Token Counter separates LLM prompts into modular architectural components—System Instructions, User Prompts, Few-Shot Examples, and RAG Retrieval Context—calculating token weights, prompt bloat ratios, and model context ceilings.
OpenAI Token Counter
The OpenAI Token Counter models Byte-Pair Encoding (BPE) across OpenAI's official tokenizers (o200k_base for GPT-4o/mini, cl100k_base for GPT-4/Turbo, and p50k_base for legacy models), providing granular token-to-word ratios and price calculations.
LLM Context Window Calculator
The LLM Context Window Calculator estimates prompt token consumption, system prompt overhead, retrieved context chunks, and reserved output tokens against model context windows (8K to 2M tokens).
AI API Cost Calculator
The AI API Cost Calculator compares multi-model inference costs across OpenAI, Anthropic Claude, Google Gemini, and DeepSeek based on monthly input and output token consumption.
AI Batch Cost Calculator
The AI Batch Cost Calculator models cost savings from 24-hour asynchronous Batch APIs (OpenAI & Anthropic 50% discounts), comparing synchronous vs bulk pricing.
RAG & Vector Tools
9 Tools AvailableRAG Chunk Size Calculator
The RAG Chunk Size Calculator helps AI engineers and software architects calculate total chunk count, overlap percentage, vector storage requirements, and optimal chunk sizes for Retrieval-Augmented Generation architectures.
Embedding Cost Calculator
The Embedding Cost Calculator models one-time indexing expenses, recurring incremental re-indexing costs, and vector database storage requirements across top embedding models.
RAG Chunk Overlap Calculator
The RAG Chunk Overlap Calculator computes the mathematically optimal token overlap for text splitting in vector pipelines, preventing context fragmentation while eliminating duplicate token storage bloat.
Vector Database Storage Calculator
The Vector Database Storage Calculator models raw vector memory, HNSW graph index overhead, metadata payload storage, and quantization savings (Float32 vs Float16 vs Int8) for production vector databases.
RAG Chunk Count Calculator
The RAG Chunk Count Calculator computes the exact number of text chunks produced from raw documents, taking into account target chunk sizes, overlap percentages, and effective step sizes.
Vector Dimension Calculator
The Vector Dimension Calculator determines vector embedding memory and disk requirements across standard dimensions (384, 768, 1536, 3072) and numerical quantization precision levels.
RAG Top K Calculator
The RAG Top K Calculator evaluates retrieval parameter trade-offs, calculating prompt token load, reranker latency, and expected recall across different Top-K settings.
RAG Context Budget Calculator
The RAG Context Budget Calculator partitions available LLM token capacity across system prompts, conversational memory, retrieved knowledge chunks, and output headroom.
PDF to RAG Chunk Estimator
The PDF to RAG Chunk Estimator projects extracted words, tokens, chunk counts, and embedding costs from PDF documents based on page count and layout typography density.
Technical SEO Tools
36 Tools AvailableSitemap URL Counter
The Sitemap URL Counter parses XML sitemaps and sitemap indexes, providing instant counts of indexable URLs, child sitemaps, protocol hygiene (HTTPS vs HTTP), metadata tag coverage, and Google compliance limits.
OG Image Size Checker
The OG Image Size Checker validates social share preview images against official Facebook (1200x630), Twitter/X Large Summary Card (1200x628), and LinkedIn dimension standards, preventing blurry previews or awkward center-crops.
Canonical Tag Checker
The Canonical Tag Checker inspects HTML head tags and URLs to detect duplicate canonical declarations, protocol mismatches, relative link errors, trailing slash conflicts, and cross-domain canonical signals.
Robots.txt Tester
The Robots.txt Tester evaluates website crawling permissions according to the RFC 9309 Robots Exclusion Protocol, verifying whether specific user-agents (Googlebot, Bingbot, GPTBot, ClaudeBot) are permitted or blocked from crawling designated URLs.
WordPress Sitemap Page Counter
The WordPress Sitemap Page Counter analyzes WordPress sitemap indexes, isolating and tallying total URLs across Posts, Pages, Categories, Tags, and Custom Post Types (CPTs) from Yoast, Rank Math, and native WP 5.5+ sitemaps.
Open Graph Preview Checker
The Open Graph Preview Checker inspects social metadata tags and renders real-time, pixel-accurate preview cards simulating how links appear when shared across Facebook, Twitter/X, LinkedIn, and Discord.
Hreflang Tag Generator
The Hreflang Tag Generator constructs validated, bidirectional international SEO link elements conforming to Google's multi-regional standards, preventing duplicate content penalties across localized domains.
Schema Markup Validator
The Schema Markup Validator parses and tests JSON-LD code snippets against Schema.org standards, checking for syntax errors, missing `@context` / `@type` root properties, and Google Rich Result compliance.
XML Sitemap Validator
The XML Sitemap Validator parses and inspects XML sitemaps against official sitemaps.org protocols and Google Search Console standards, detecting syntax errors, namespace mismatches, URL limits (>50,000), uncompressed size ceilings (>50MB), and invalid date formats.
Sitemap Splitter
The Sitemap Splitter breaks down oversized URL catalogs or large monolithic sitemaps into clean, standardized sitemap chunks (e.g. 1,000, 5,000, or 50,000 URLs per file) and automatically synthesizes a compliant master sitemap-index.xml file.
Robots.txt Generator
The Robots.txt Generator produces compliant, standards-based robots.txt directives for all major search engines and modern AI crawlers (GPTBot, ClaudeBot, PerplexityBot), helping you protect server resources, prevent indexing of staging or admin areas, and direct crawlers to your sitemap.
Redirect Chain Checker
The Redirect Chain Checker analyzes URL routing paths step-by-step, flagging multiple intermediate 301/302 hops, infinite redirect loops, HTTP-to-HTTPS protocol bounces, and trailing slash discrepancies that dilute PageRank equity and inflate page load latency.
HTTP Status Code Checker
The HTTP Status Code Checker fetches and validates HTTP response codes and headers for any web endpoint, reporting time-to-first-byte (TTFB), content-type, cache-control directives, server signatures, and X-Robots-Tag instructions essential for search crawler health.
Meta Robots Checker
The Meta Robots Checker audits on-page `<meta name="robots">` tags and HTTP `X-Robots-Tag` headers, verifying indexability directives (`index`, `noindex`, `follow`, `nofollow`, `noarchive`, `nosnippet`, `max-image-preview`) and flagging contradictory directives that harm search visibility.
Crawl Budget Calculator
The Crawl Budget Calculator estimates your site's monthly Googlebot crawl demand versus server crawl capacity, calculating crawl waste caused by slow server response times (TTFB), bloated faceted URLs, redirect chains, and orphaned links.
Twitter Card Preview Checker
The Twitter Card Preview Checker simulates how your link posts render on X (formerly Twitter) across desktop and mobile feeds, validating twitter:card types (`summary_large_image` and `summary`), title character counts, description truncation, and image aspect ratios.
LinkedIn Preview Checker
The LinkedIn Preview Checker emulates the exact rendering layout used by the official LinkedIn Post Inspector, testing Open Graph title, description, domain badge, and image scaling to guarantee professional link presentations across LinkedIn feed posts.
Meta Title Pixel Checker
The Meta Title Pixel Checker calculates the exact pixel width of your title tags as rendered in Google Search results (using Google's Arial 20px desktop and Roboto 18px mobile typography), accurately predicting truncation ellipses and ensuring primary keywords remain visible.
Local Business Schema Generator
The Local Business Schema Generator produces Google-compliant LocalBusiness and ProfessionalService structured data markup in JSON-LD format, optimizing Google Maps pack visibility, local Knowledge Graph panels, and rich search results.
Service Schema Generator
The Service Schema Generator builds structured data for consulting, software development, healthcare, and professional services, allowing search engines to understand offerings, providers, geographic areas served, and pricing structures.
Software Application Schema Generator
The Software Application Schema Generator builds Google-compliant SoftwareApplication, WebApplication, and MobileApplication structured data in JSON-LD, unlocking software badges, operating system tags, pricing snippets, and app download links in search results.
Breadcrumb Schema Generator
The Breadcrumb Schema Generator creates Google-compliant BreadcrumbList structured data in JSON-LD format, replacing ugly raw URLs in Google search results with clean, hierarchical navigational breadcrumb trails.
Product Schema Generator
The Product Schema Generator builds valid Schema.org Product structured data in JSON-LD format. It supports price specifications, currency codes, inventory availability (InStock, OutOfStock, PreOrder), aggregate ratings, customer reviews, SKU, and GTIN identifiers to secure Google Shopping rich snippets and enhanced search listings.
Organization Schema Generator
The Organization Schema Generator produces authoritative Schema.org Organization, Corporation, and EducationalOrganization structured data in JSON-LD format. It establishes unambiguous entity identity in Google's Knowledge Graph by defining corporate logos, customer service contact points, legal registration, physical headquarters, and verified social media sameAs links.
Article Schema Generator
The Article Schema Generator creates valid Schema.org Article, BlogPosting, NewsArticle, and TechArticle structured data in JSON-LD format. It helps search engines parse author identity, publisher credentials, editorial modification dates, and featured images to boost eligibility for Google Discover, Google News, and enhanced carousel results.
Review Schema Generator
The Review Schema Generator builds Google-compliant Schema.org Review and AggregateRating structured data in JSON-LD format. It allows publishers, software reviewers, and service agencies to generate rich star ratings, author credentials, pros/cons, and review bodies to trigger eye-catching gold star snippets in Google search results.
Open Graph Tag Generator
The Open Graph Tag Generator crafts standards-compliant og:title, og:description, og:image, and Twitter card tags with instant visual preview cards.
Discord Link Preview Checker
The Discord Link Preview Checker simulates Discord rich link embeds, validating dark theme styling, image aspect ratios, and theme colors.
WhatsApp Link Preview Checker
The WhatsApp Link Preview Checker tests WhatsApp chat bubble previews, checking image file size constraints (under 300KB) and title formatting.
Meta Description Pixel Checker
The Meta Description Pixel Checker calculates precise proportional pixel widths for meta descriptions on desktop (960px) and mobile (680px) Google SERPs.
Core Web Vitals Budget Calculator
The Core Web Vitals Budget Calculator breaks down Google performance targets into granular engineering sub-budgets for TTFB, resource load delay, render delay, and main-thread processing.
Page Weight Budget Calculator
The Page Weight Budget Calculator calculates maximum allowable transfer sizes for HTML, JavaScript bundles, CSS stylesheets, web fonts, and media assets based on target load times.
TTFB Diagnostic Checklist Generator
The TTFB Diagnostic Checklist Generator isolates the root causes of slow Time to First Byte across DNS, TLS, backend runtime, database queries, and CDN edge caching.
Image Format Payload Comparator
The Image Format Payload Comparator estimates bandwidth savings and download speed gains achieved by converting legacy JPEG and PNG images into modern AVIF and WebP formats.
CSS Coverage Budget Calculator
The CSS Coverage Budget Calculator evaluates stylesheet efficiency by calculating the ratio of unused CSS rules and quantifying render-blocking delay added to First Contentful Paint.
Third-Party Script Impact Estimator
The Third-Party Script Impact Estimator models the cumulative CPU main-thread execution, network contention, and input delay caused by external marketing tags and analytics scripts.
QA & Developer Tools
11 Tools AvailableBug Report Generator
The Bug Report Generator structures software defect logs into standardized, actionable engineering tickets. Export formatted markdown for GitHub, Jira syntax, or plain text for Slack and email.
Playwright Test Generator
The Playwright Test Generator converts user workflow steps into clean, idiomatic TypeScript Playwright end-to-end (E2E) test specifications featuring resilient locators, auto-waiting assertions, and page object conventions.
Test Case Generator
The Test Case Generator structures feature specifications into comprehensive QA test suites, generating positive path verification, negative error tests, boundary value edge cases, and security authorization checks.
QA Estimate Calculator
The QA Estimate Calculator models software testing effort, determining manual testing hours, test case authoring effort, Playwright automation scripting time, and test cycle return on investment (ROI).
Playwright Locator Generator
The Playwright Locator Generator converts element descriptions, HTML tags, ARIA roles, and attributes into user-facing Playwright locators following official resilient selector guidelines.
Acceptance Criteria Generator
The Acceptance Criteria Generator converts user stories into structured Given-When-Then BDD scenarios and rule-based verification checklists.
Regression Test Checklist Generator
The Regression Test Checklist Generator creates risk-tiered pre-deployment testing checklists covering sanity checks, core user journeys, integrations, and mobile responsiveness.
API Test Case Generator
The API Test Case Generator crafts positive, negative, and security test matrices for HTTP endpoints, validating status codes, headers, and error payloads.
UAT Checklist Generator
The UAT Checklist Generator structures user acceptance test cases and stakeholder sign-off criteria for seamless software handoffs.
Defect Density Calculator
The Defect Density Calculator computes defect density metrics across lines of code (KLOC), function points, or Agile sprint velocity.
Feature Flag Rollout Calculator
The Feature Flag Rollout Calculator models staged canary deployments, determining safe cohort exposure percentages, minimum sample sizes, and automated rollback error thresholds.
Web Developer Tools
11 Tools AvailableNext.js Metadata Generator
The Next.js Metadata Generator creates production-grade, type-safe Next.js App Router metadata configurations, generating static export Metadata objects and dynamic generateMetadata() functions with Open Graph, Twitter cards, and canonical links.
Next.js Sitemap Generator
The Next.js Sitemap Generator constructs idiomatic `app/sitemap.ts` code for the Next.js App Router, combining static route manifests with dynamic Prisma or ORM database queries, changeFrequency, and priority configuration.
Next.js Robots.txt Generator
The Next.js Robots.txt Generator creates type-safe `app/robots.ts` files for the Next.js App Router, managing search crawler permissions, private dashboard route protection, sitemap directives, and AI bot governance.
Cron Expression Generator
The Cron Expression Generator provides an interactive visual builder for standard 5-part Linux crontabs and 6-part cloud cron schedules (AWS EventBridge, GitHub Actions, Vercel/Next.js cron jobs), generating error-free syntax with plain-English descriptions.
Cron Expression Explainer
The Cron Expression Explainer translates cryptic 5-part and 6-part cron strings into clear, plain-English descriptions and calculates upcoming execution timestamps, eliminating scheduling bugs in backend jobs, CI/CD pipelines, and cloud tasks.
JSON Schema Generator
The JSON Schema Generator analyzes raw JSON sample objects and automatically infers structural data types, nested object hierarchies, array element schemas, and required fields, producing valid Draft-07 or Draft-2020-12 JSON Schema definitions for API contracts and data validation.
Next.js Route Planner
The Next.js Route Planner generates visual and copyable directory structures for Next.js 15 App Router applications, supporting route groups, dynamic parameters, parallel routes, and intercepting routes.
Next.js Middleware Matcher Tester
The Next.js Middleware Matcher Tester validates Next.js middleware config.matcher regular expressions and glob patterns against sample URL paths, testing authentication, redirects, and static asset exclusion rules.
Cache-Control Header Generator
The Cache-Control Header Generator creates standardized HTTP caching directives instructing browsers and CDN edge servers how to cache, revalidate, and serve web content.
CSP Header Generator
The CSP Header Generator builds customized Content-Security-Policy response headers that restrict executable script origins, iframe embedding, and external network connections to block XSS.
HSTS Preload Readiness Checker
The HSTS Preload Readiness Checker audits your domain's Strict-Transport-Security header against the official Google Chromium browser preload list requirements.
API & Backend Tools
3 Tools AvailableAPI Rate Limit Calculator
The API Rate Limit Calculator computes sustainable requests per second (RPS), token bucket burst capacities, and window limits for backend architectures, preventing HTTP 429 Too Many Requests errors and protecting database resources.
Webhook Retry Calculator
The Webhook Retry Calculator models resilient webhook delivery retry timelines using exponential backoff and randomized jitter, preventing thundering herd server overloads during downstream outages.
JSON Path Tester
The JSON Path Tester evaluates JSONPath query expressions against complex nested JSON objects in real time. Supporting recursive descent ($..key), wildcards, array slicing, and conditional filters ([?(@.price < 50)]), it allows API developers, QA automation engineers, and data analysts to test and debug data extraction queries for Postman, RestAssured, Playwright, and backend pipelines.
Software Business Calculators
13 Tools AvailableWebsite Cost Calculator
The Website Cost Calculator estimates realistic software engineering budgets and development timelines for modern web projects, comparing Next.js custom web apps, WordPress business sites, and headless e-commerce architectures.
App Development Cost Calculator
The App Development Cost Calculator provides accurate financial projections and development hour breakdowns for cross-platform Flutter mobile applications, native iOS/Android apps, and full-stack SaaS platforms.
Project Timeline Calculator
The Project Timeline Calculator computes realistic software delivery dates and milestone schedules using three-point PERT statistical estimation, accounting for developer team size, sprint velocity, and technical uncertainty buffers.
API Pricing Calculator
The API Pricing Calculator models developer API monetization models, calculating per-call server/LLM costs, tiered request volume discounts, gross margins, and customer revenue.
SaaS Pricing Calculator
The SaaS Pricing Calculator estimates recurring revenue (MRR/ARR), average revenue per user (ARPU), customer lifetime value (LTV), and churn impact across multiple subscription plans.
MVP Cost Calculator
The MVP Cost Calculator provides realistic startup engineering budgets, feature breakdown hours, sprint velocity estimates, and delivery roadmaps for launching digital products.
Cloud Hosting Cost Calculator
The Cloud Hosting Cost Calculator estimates monthly server and cloud bills by comparing serverless edge platforms, managed VPS nodes, and dedicated cloud instances based on traffic and compute.
Database Storage Cost Calculator
The Database Storage Cost Calculator projects record data growth, index disk overhead, automated backup multipliers, and cloud database bills across PostgreSQL, MySQL, and cloud providers.
Profit Margin Calculator
The Profit Margin Calculator computes gross profit margin, markup percentage, net profit after operating expenses, and required selling prices to achieve target margins.
Inventory Reorder Point Calculator
The Inventory Reorder Point Calculator determines the optimal inventory restocking threshold and safety stock buffer based on lead times and daily sales variance.
Stock Turnover Calculator
The Stock Turnover Calculator measures inventory turnover ratio and days sales of inventory (DSI), helping retailers identify dead stock and optimize working capital.
Break Even Calculator
The Break Even Calculator determines the exact unit sales and dollar revenue required to cover fixed overhead and variable costs, providing contribution margin and margin of safety metrics.
Invoice Generator
The Invoice Generator creates instant professional client invoices with itemized services, quantity and unit pricing, tax/VAT calculation, discounts, and clean PDF print export without login.
WordPress & CMS Tools
9 Tools AvailableWordPress Maintenance Cost Calculator
The WordPress Maintenance Cost Calculator models recurring operational expenses for running production WordPress sites, calculating managed hosting fees, premium plugin licensing, offsite backups, security monitoring, and developer retainer hours.
WordPress Slug Generator
The WordPress Slug Generator converts headlines, article titles, and product names into clean, URL-safe WordPress permalink slugs, stripping accents, removing stop words, eliminating special characters, and optimizing for search engine visibility.
WordPress Robots.txt Generator
The WordPress Robots.txt Generator produces customized crawl rules specifically tailored for WordPress installations, protecting admin folders, allowing access to essential AJAX/theme assets, blocking internal search queries, and integrating XML sitemap indexes.
WordPress Image Alt Text Generator
The WordPress Image Alt Text Generator crafts descriptive, accessible, and SEO-optimized alternative text (`alt="..."`) and title attributes for WordPress images, complying with WCAG 2.1 accessibility standards and boosting Google Images rankings.
WordPress Redirect Rule Generator
The WordPress Redirect Rule Generator creates clean, high-performance server-level and application-level redirection directives. Supporting Apache .htaccess (mod_rewrite), Nginx rewrite/return rules, OpenLiteSpeed configurations, and WordPress PHP hooks, it ensures seamless permalink migrations, HTTPS enforcement, and canonical trailing-slash consistency without slowing down your site with bulky redirect plugins.
WordPress Excerpt Generator
The WordPress Excerpt Generator extracts concise, captivating summaries from raw post drafts, HTML markup, and Gutenberg block content. It strips shortcodes, removes block comment noise (<!-- wp:... -->), and formats clean excerpts with customizable word counts (defaulting to the classic WordPress 55-word length), custom ellipsis styles, and Google-friendly meta description character counters.
WordPress Security Header Checker
The WordPress Security Header Checker inspects live WordPress websites and raw HTTP response headers against modern web security hardening standards. It evaluates HTTP Strict Transport Security (HSTS), Content Security Policy (CSP), X-Frame-Options, X-Content-Type-Options, Referrer-Policy, and Permissions-Policy, delivering a comprehensive security score and ready-to-use .htaccess, Nginx, and PHP configuration fixes.
WordPress Plugin Conflict Checklist Generator
The WordPress Plugin Conflict Checklist Generator creates tailored, step-by-step diagnostic runbooks to resolve fatal errors (White Screen of Death), checkout failures, REST API timeouts, and theme layout conflicts. Based on your server environment, access levels (WP Admin, FTP, SSH/WP-CLI), and installed caching layers, it provides an interactive troubleshooting checklist to safely isolate bugs without losing live site data.
WordPress Migration Checklist Generator
The WordPress Migration Checklist Generator creates customized, professional migration runbooks for website server transfers, domain name changes, protocol upgrades, and transitions to headless architectures (e.g., Next.js). Covering pre-migration prep, database serialized search-and-replace, DNS cutover, 301 redirection maps, and post-migration SEO audits, it guarantees zero data loss and uninterrupted organic search traffic.
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