111 clear, practical guides and tutorials.
Generate Apache .htaccess rules for redirects, HTTPS forcing, caching, CORS headers, and password protection. Copy-paste ready…
📦Compare the top AI coding assistants of 2026. Deep dive into GitHub Copilot, Cursor, Sourcegraph Cody, and Codeium.
🎨Why do characters break your code? Discover the invisible symbols hiding in plain sight and the single click that makes them…
📖A complete guide to configuring web analytics before launch. Learn how to implement Google Analytics 4, verify Search Console,…
🌐Did you know 63% of APIs use the wrong auth method? Learn the exact differences between API Keys, OAuth 2.0, Bearer Tokens.
🌐Learn how to handle API rate limits effectively. Covers exponential backoff, caching strategies, request queuing, and rate limit…
🌐Benchmark of average API response times across popular public APIs including GitHub, Stripe, OpenAI, and AWS. Tested from…
📖Interactive ASCII and Unicode character table. Instantly search and copy characters, decimal, hex, and octal values. Free, works…
📖Encode text or files to Base64, or decode Base64 to text instantly. Supports URL-safe mode, line wrapping, and image to Data URI…
🌐Compare 8 free AI APIs: OpenAI, Claude, Gemini, Groq, Hugging Face, Mistral, Replicate, and Cohere. Code examples, rate limits,…
🔒Auth0, Clerk, Supabase Auth, Firebase Auth. Explore best free authentication services with our free interactive tool and guide.
🗄️Supabase, PlanetScale, Neon, MongoDB Atlas. Explore best free database services (dbaas) with our free interactive tool and guide.
🌐Compare 7 free finance APIs for stock data, crypto prices, forex rates, and payment processing. Alpha Vantage, CoinGecko,…
🌐Compare 7 free image APIs: Unsplash, Pexels, Lorem Picsum, Cloudinary, Giphy, The Cat API, and Imgur. Stock photos, placeholders,…
🌐Compare 5 free maps and geocoding APIs: Google Maps, Mapbox, OpenStreetMap, HERE, and LocationIQ. Interactive maps, routing, and…
🌐Compare 6 free weather APIs: Open-Meteo, OpenWeatherMap, WeatherAPI, Visual Crossing, Tomorrow.io, and Weatherbit. Code examples…
📖Stop guessing what your users are doing. Discover the essential metrics and architecture needed to build a dashboard that…
📖Want to know the secret prompt formula that makes AI art look identical to photographs? The answer lies in how you structure your…
📖Did you know 85% of standard brand colors fail modern accessibility tests? Check if your hex or rgb values pass and convert them…
📖Generate beautiful, harmonious color palettes including complementary, analogous, triadic, and tetradic. Extract colors from…
📖Interactive cron expression generator. Build cron schedules visually, get plain-English explanations, and see the next 5 run…
📖90% of developers mess up crontab schedules. Discover the visual cron expression generator that builds perfect schedules every…
📖Quick and simple editor for cron schedule expressions. Test your cron schedules, validate cron expressions, get plain English…
📖A complete guide to cross-browser testing. Learn how to verify layouts across Chrome, Safari, and Firefox, test mobile…
📖Free interactive Content Security Policy (CSP) header generator. Build and test CSP headers visually with common CDN presets.…
📖Design beautiful CSS border radii visually. Control individual corners for complex shapes. Generates standard CSS code instantly.
📖Design beautiful CSS box shadows visually. Support for multiple layers, custom colors, blur, spread, and offsets. Generates…
🎨A detailed comparison of Tailwind CSS, Bootstrap 5, Bulma, Foundation, Materialize, Pico CSS, Open Props, Water.css, Skeleton,…
🎨Tailwind: 4.7KB gzipped. Bootstrap: 22.7KB. Pico: 10.1KB. Exact minified + gzipped sizes of 30+ CSS frameworks — measured, not…
📖Create linear and radial CSS gradients visually. Adjust colors, angles, and positions. Browse preset gallery and copy CSS code…
📖Design CSS Grid layouts visually. Generate HTML and CSS for rows, columns, gaps, and template areas. Free and works offline.
🎨Master CSS performance: Critical CSS, uncss, will-change, and layout thrashing.
🎨Comprehensive cheat sheet for CSS selectors including basic, combinators, attributes, pseudo-classes, and pseudo-elements. Free,…
🎨The ultimate CSS toolkit: color tools, gradient generators, flexbox/grid playgrounds, framework comparisons, and utilities to…
📖Convert CSV to JSON or JSON to CSV instantly. Auto-detects delimiters, handles quoted fields and newlines.
🗄️A comprehensive guide to the best database management tools in 2026. Compare TablePlus, DBeaver, DataGrip, and pgAdmin.
🚀A practical DevOps guide covering Docker, Git workflows, Nginx configuration, SSH key management, cron jobs, and server…
🚀A complete guide to Docker Desktop, Docker Compose, and lightweight containerization alternatives like Podman and OrbStack.
🚀Think you need to be a DevOps wizard to run Docker? Find out how mastering just a few core concepts can completely change how you…
🚀Comprehensive Docker CLI reference guide and cheat sheet. Covers build, run, exec, logs, compose, Dockerfile patterns, and best…
📖Validate email address format, syntax, and extract domain information. Bulk validate multiple emails instantly. Free, secure, and…
📖Generate favicons instantly from text, emoji, or uploaded images. Export to ICO, PNG, SVG, and Apple Touch Icon formats. Free and…
📖A complete guide for frontend developers using Figma. Learn how to extract CSS, use design tokens, and optimize the developer…
📖Find and replace text online with support for regular expressions, case sensitivity, whole words, and multiline. Free and works…
📖Interactive CSS Flexbox builder. Visually edit flex container and flex item properties, preview live layouts, and generate CSS…
📦Comprehensive guide to essential Git commands. Init, clone, branch, merge, rebase, stash, log. Free, works offline, zero…
📦Generate .gitignore files for any language or framework. Combine multiple templates, preview the output, and download.
📖Understand Lighthouse metrics, weightings, and how to achieve a perfect 100.
📖We ran 500+ Google Jules sessions across 9 domains and built a fully automated content factory.
🎨Convert HTML to Markdown or Markdown to HTML. Supports tables, images, and code blocks. Free, fast, and runs locally in your…
🎨Convert special characters to HTML entities and back. Supports named entities, decimal, and hexadecimal notation. Free, fast, and…
📖Convert images to Base64 data URI strings instantly. Supports PNG, JPEG, GIF, SVG, and WebP. Preview the image and copy the…
📖Not all generators protect your sensitive electronics. Discover the hidden tech that makes inverter generators essential for…
📖Lookup IP geolocation, ISP, ASN, and reverse DNS. Supports IPv4 and IPv6. Free, client-side, and works offline.
📖Compare the minified and gzipped sizes, downloads, and popularity of modern JS frameworks. Original research by siliconbased.dev.
📖Free interactive JSONPath tester. Evaluate JSONPath expressions against messy JSON data instantly. Supports wildcards and complex…
📖Decode, verify, and validate JSON Web Tokens (JWT) instantly in your browser. View header, payload, and signature. Secure,…
📖Generate placeholder text instantly in paragraphs, sentences, or words. Options for HTML wrapping, plain text, and custom…
📖Struggling with the classic 'Love It or List It' dilemma? The secret to making the right choice isn't about money—it's about this…
📖Free Meta Tag Generator for SEO. Generate HTML meta tags, Open Graph tags, Twitter Card tags, and JSON-LD Article schema with…
🎨Minify your CSS code or beautify compressed CSS instantly. Removes whitespace and comments to reduce file size, or formats…
📖Master image optimization with WebP, AVIF, responsive images, and lazy loading.
📖A complete guide to configuring website monitoring. Learn how to set up uptime alerts, frontend error tracking (Sentry), server…
📖Generate Nginx server blocks for static sites, reverse proxies, SSL, and redirects. Copy-paste ready.
📖Convert numbers between binary, octal, decimal, and hexadecimal bases instantly. Free, client-side, and works offline.
📖Preview how your URL looks when shared on social media. Test Open Graph meta tags for Facebook, Twitter, LinkedIn, and Slack…
📖Compare open source licenses side by side. Explore permissions, conditions, and limitations, and instantly generate a LICENSE…
📖Generate strong, random passwords with customizable length, character types, and entropy display. Includes passphrase mode. Free…
📖Generate custom placeholder images instantly with custom dimensions, colors, and text. Download as PNG or copy Data URI. Free,…
📖A complete guide to API testing clients in 2026. Compare Postman with lightweight, local-first alternatives like Insomnia, Bruno,…
📖Uncover where the billions really went. We break down the PPP loan list data, exploring transparency, economic impact, and what…
📖Generate a free, customized, GDPR and CCPA compliant Privacy Policy for your website or app. Fast, offline-capable, and…
📖Generate professional README.md files quickly. Includes sections for install, usage, API, contributing, and license with live…
📖Free online tool to generate JSON-LD schema markup for Articles, Products, FAQs, Local Businesses, and Recipes. Improve your SEO…
📖Preview how your URL appears when shared on Twitter, Facebook, LinkedIn, and Slack. Test Open Graph and Twitter Card images…
📖Complete 2026 reference for social media image sizes across Instagram, Facebook, Twitter/X, LinkedIn, YouTube, TikTok, Pinterest,…
🗄️A comprehensive developer cheat sheet for SQL. Covers SELECT, JOINs, GROUP BY, subqueries, and window functions with PostgreSQL…
📖Think your server is secure? 80% of developers mess up this one crucial step. Master SSH key generation and server setup in under…
📖Escape or unescape strings for JSON, HTML, XML, URL, JavaScript, CSV, and SQL. Free, fast, and works entirely offline in your…
📖Optimize your SVG code instantly. Removes metadata, comments, and unnecessary attributes to reduce file size. Works entirely…
📖Convert standard CSS properties to Tailwind CSS utility classes and vice versa instantly. Free, offline-capable, zero-dependency…
📖A developer-focused SEO guide: meta tags, Open Graph, JSON-LD schema, sitemaps, robots.txt, page speed, and technical…
📖Generate customizable Terms of Service for websites, SaaS, e-commerce, and apps. Free, zero dependencies, offline-capable, runs…
📖Convert text to UPPERCASE, lowercase, Title Case, camelCase, snake_case, kebab-case, PascalCase, and more instantly. Free and…
⚡Master web performance with this comprehensive guide covering Core Web Vitals, performance budgets, image optimization, caching,…
📖An in-depth comparison of modern JavaScript frameworks including React, Vue, Svelte, Angular, Solid, Astro, Next.js, and Nuxt.
📖Everyone talks about the Square Dashboard, but 90% of business owners miss its most profitable feature. Here's what you need to…
📖Convert between TOML, JSON, and YAML formats instantly. Validates syntax, supports nested structures, and runs entirely offline…
📖Convert Unix timestamps, ISO 8601, and RFC 2822 dates across multiple timezones instantly. Free, client-side, and works offline.
📖Encode or decode URLs and query strings instantly. Handles special characters, Unicode, and double-encoding. Batch mode for…
📖Instantly convert text to clean, SEO-friendly URL slugs. Handles Unicode, accents, special symbols, and bulk mode. Free and works…
📖Parse user agent strings instantly. Detect browser, operating system, device type, and identify bots. Free, secure, and works…
📖Generate UUID v1, v4, and v7 identifiers instantly. Bulk generate up to 100 UUIDs. Parse and validate existing UUIDs. Free,…
💻Comprehensive Vim cheat sheet and reference guide. Covers modes, navigation, editing, search, and macros. Includes an interactive…
⚖️A comprehensive guide to configuring VS Code for maximum productivity. Learn about essential extensions, themes, remote…
📖Master Cache-Control, ETags, CDNs, and stale-while-revalidate for blazing fast web performance.
📖Eliminate FOIT and optimize font delivery for better web performance.
🔒A comprehensive guide to web security: HTTPS, CSP, CORS, XSS prevention, authentication, security headers, and hardening your web…
📖Ensure your website is legally compliant before launch. A complete guide to Privacy Policies, Terms of Service, GDPR, CCPA, and…
📖A complete guide to WebSockets, real-time bidirectional communication, and how they compare to Server-Sent Events (SSE) and long…
📖A comprehensive guide to CI/CD, exploring pipeline design, automated testing strategies, and tools like GitHub Actions.
📖A comprehensive guide to containerization, explaining how Docker works, containers vs Virtual Machines (VMs), and an introduction…
📖A deep dive into Edge Computing, how it differs from traditional CDNs, and platforms like Cloudflare Workers and Vercel Edge.
📖An in-depth guide to GraphQL architecture, how it compares to REST, understanding queries, mutations, and designing robust…
🔒A comprehensive guide to OAuth 2.0, exploring authorization flows, Access vs Refresh tokens, PKCE, and common security mistakes.
📖A comprehensive guide to Server-Side Rendering (SSR) vs Client-Side Rendering (CSR), Static Site Generation (SSG), and…
📖A comprehensive guide to WebAssembly (Wasm), exploring its use cases, supported languages (Rust, C++, Go), and how its…
📖A practical guide to data serialization formats: JSON, YAML, XML, CSV, TOML, Base64 — when to use each, conversion tools, and…
📖Free interactive XML sitemap generator. Quickly build sitemaps with custom URLs, priorities, frequencies, and last modified dates…
📖Convert XML to JSON or JSON to XML instantly. Handles attributes and namespaces. Free, offline-capable, runs completely in your…
📖Convert between YAML and JSON formats instantly. Validates syntax, shows errors with line numbers, and supports nested structures.