CSS Button Generator
Generate beautiful, custom CSS button styles with live preview. Tweak colors, borders, shadows, and hover effects - then copy the ready-to-use CSS code instantly.
Resources
Free tools, articles and ebooksfor developers who ship.
20 free tools, 11 articles and 3 free ebooks, handpicked by Marko Denic. Nothing here needs a sign-up or a credit card.
20free tools
11articles
3free ebooks
All 34 resources.
Tools
20 tools. All free.
Generators, editors and references you can open in a tab and use right away.
Glassmorphism CSS Generator
Create the stunning frosted-glass UI effect with a real-time visual editor. Adjust blur, transparency, border, and background - get copy-ready CSS in seconds.
QR Code Generator
Instantly generate QR codes for any URL, text, or content. Download as SVG or PNG, no signup needed. Perfect for linking to your projects or portfolio.
Tech Acronyms Explorer
Instantly look up what any tech acronym stands for. A handy reference for developers navigating jargon-heavy documentation, PRs, or job descriptions.
Markdown Preview
Write Markdown in real time and see the rendered output instantly side by side. Great for drafting READMEs, blog posts, or documentation with a live preview.
Open Graph Generator
Generate advanced Open Graph meta tags for richer social sharing previews on Facebook, LinkedIn, and more. Fill in the form, copy the generated HTML - done.
Password Generator
Create strong, cryptographically random passwords with customizable length, symbols, numbers, and casing. Stop using weak passwords on your dev accounts.
Code Minifier
Minify CSS, HTML, and JavaScript code to reduce file size and improve page load speed. Paste your code, click minify, copy the compressed output.
Code Beautifier
Beautify and format messy CSS, HTML, and JavaScript code for readability. Useful when working with minified third-party code you need to debug or understand.
Word Counter
Count words, characters, and sentences in any text. Handy when writing blog posts, meta descriptions, tweet threads, or any content with character limits.
Twitter Card Generator
Generate Twitter Card meta tags for richer link previews when your content is shared on X (Twitter). Supports summary, summary with large image, and app cards.
Article Banner Generator
Design professional article banners and Open Graph images without a designer or Figma. Create stunning OG images and blog covers that get more clicks on social media - for free.
Snippet Editor - Beautiful Code Screenshots
Turn your code snippets into stunning, shareable screenshots in seconds. Customize the theme, font, background, and padding - then share on social media or embed in blog posts.
HTML/CSS Templates Library
Browse 2,200+ free HTML and CSS templates across all major frameworks - Bootstrap, Tailwind, React, Vue, Next.js, Astro, and more. Filter by stack, style, or category and find the perfect starter for your next project.
Website Design Inspiration
6,400+ real-world website examples organized by industry and business type. A practical design reference for developers and designers who want to see how modern sites look in specific niches before they start building.
HostMap - Hosting Comparison
Compare WordPress, VPS, cloud, serverless, and dedicated hosting providers side by side - real specs, pricing, and reviews. Filter by type, budget, or feature to find the right host for your next project.
JavaScript Quiz
Free interactive quiz that tests your JavaScript knowledge with 10 random questions per round. Covers type coercion, closures, the event loop, and async/await. No account or sign-up required.
SSL Radar
Free SSL certificate checker and monitor. Instantly inspect any domain's expiry date, issuer, and trust chain, then set up continuous monitoring for up to 100 domains with email alerts before certificates expire.
Minitest Rails
Free comprehensive guide to testing Rails applications with Minitest. Covers everything from basic unit tests to system tests, authentication, and CI/CD integration. No sign-up required.
Remocn
Free, open-source component library for building product demo videos in Remotion. Copy-paste typography, shaders, transitions, and animated icons, then describe the video you want and let an AI agent assemble it. MIT licensed, and runs entirely on your machine.
Articles
11 articles worth your time.
Guides and newsletter issues on CSS, JavaScript, performance and shipping without a framework.
Git Cheat Sheet
A comprehensive Git cheat sheet covering the most essential commands - from initializing repos and managing branches to rebasing, stashing, and resolving conflicts. A must-bookmark reference.
CSS Pulse Animation
Learn how to create smooth, eye-catching CSS pulse animations with practical examples. Covers keyframes, timing functions, and real-world use cases like notification badges and loading indicators.
From Zero to Web Developer
A complete roadmap for absolute beginners who want to become professional web developers. Covers what to learn, in what order, how long it takes, and how to land your first job - no fluff.
CSS if Statements & Conditional Logic
An introduction to CSS if statements and conditional logic - one of the most exciting new CSS features. Learn how to write conditional styles natively in CSS without JavaScript or preprocessors.
CSS Line Height - The Complete Guide
A deep dive into the CSS line-height property - how it works, its relationship to font-size, unitless vs. fixed values, and how to use it correctly for optimal readability in any UI.
Make Three API Calls Finish in the Time it Takes to Make One
Running async calls sequentially wastes time. Learn how Promise.all executes them in parallel, reducing total wait time to just the slowest request - with practical examples.
Jun 5, 2026
Read issue
How to Remember Your Users Without a Database
Store user preferences and UI state directly in the browser using three different methods - eliminating backend infrastructure for many common use cases. No database required.
May 29, 2026
Read issue
Your Page Is Freezing Because of This - Here's How to Fix It
JavaScript's single-threaded nature causes UI blocking. This issue shows how Web Workers move heavy computation to the background so your UI stays buttery smooth.
May 19, 2026
Read issue
How to Add a Native Share Button with 4 Lines of JavaScript
Replace multiple social share buttons with a single native share sheet using the Web Share API - minimal code that integrates directly with users' installed apps and OS-level sharing.
May 16, 2026
Read issue
Stop Tweaking Your User Prompts - Do This Instead
A system prompt framework that produces clearer, more concise AI responses - without endlessly fiddling with user prompts. A practical approach for developers building AI-powered features.
May 9, 2026
Read issue
Make Page Loads Feel Instant - No Framework
Using a JSON script tag for prerendering enables instant-feeling page navigation without React, Next.js, or any framework. A lightweight technique that works on any stack.
May 1, 2026
Read issue
Ebooks
3 ebooks. No paywall.
Longer reads on HTML, CSS and technical decision-making. Download and keep.
HTML Tips - The Hidden Gems
Focused on hidden HTML features with plenty of practical examples and beautiful graphics. While detailed docs make it easy to miss useful lesser-known features, this free ebook puts a spotlight on them - covering what thousands of developers wish they'd known sooner.
Modern HTML & CSS
56 modern HTML and CSS features you're not using but should be. Built-in elements, powerful selectors, and techniques that eliminate entire libraries and unnecessary JavaScript - with production-ready code snippets and browser compatibility guidance.
The Technical Decision Framework
A framework for the architectural choices that shape your codebase. Stop second-guessing decisions about architecture, tech stack, and scope - use this structured guide to make engineering decisions you won't regret. Free download, no spam.
Nothing matches that search. Try a shorter term, or clear it to see all 34 resources.
Suggest
Know something that belongs here?
Send a link. If it's free and genuinely useful, it gets listed and credited to your account. Every suggestion gets read.
Active Builders
Stop building alone.
Active Builders is a private, vetted community for developers, founders and makers who are launching real products. Pay once, stay for good.
- Up to 50% off dev tools
- Feedback from people who actually ship
- Templates and components
- Vetted members only
- A private community, no public feed
Join the community. $49
$49 one time. No subscription. No spam, ever.
