
Blog
Insights on web development, eCommerce, and building better digital products.
15 articles in Tools

Introducing the llms.txt Checker and Generator
Our free llms.txt Checker and Generator checks your file against the llms.txt proposal or builds a starter for a shop or service site, with checking and generating done in your browser. Here's what it does, how to use it and why it won't change your Google rankings.

Introducing Our Free Robots.txt Tester and AI Crawler Checker
Google retired its robots.txt tester, and AI crawlers like GPTBot and ClaudeBot have made robots.txt matter more. Our free tester shows which bots can crawl a path, the rule that decides it, and writes AI crawler rules for you.

Introducing Our Privacy-First JWT Debugger & Decoder
A completely local, highly polished JSON Web Token (JWT) debugger that allows you to decode and verify JWTs securely in your browser without ever sending your tokens to a server.

Introducing Our Free, Secure QR Code Generator
Instantly generate high-quality QR codes entirely in your browser with our new, 100% local, and secure tool.

Introducing Our 100% Client-Side ZPL Viewer
Render Zebra Programming Language (ZPL) labels directly in your browser without uploading your proprietary code to an external server.

Introducing Our Free JSON, JS, CSS, HTML & XML Formatter, Minifier and Converter
Instantly format, minify and convert JSON, JavaScript, CSS, HTML and XML securely in your browser. A 100% client-side tool built for developers who care about privacy and performance.

Introducing Our Privacy-First Base64 Universal Encoder & Decoder
A completely local, highly polished Base64 tool that handles plain text, files, data URIs, and offers rich file previews, without ever sending your data to a server.

Create Beautiful Slide Decks with Our Free Markdown Presentation Builder
Turn plain Markdown text into beautiful, interactive slide decks instantly. Present in full-screen or export as a standalone HTML file.

Master Layouts with Our Free CSS Grid & Flexbox Builder
Interactively design complex CSS Grid and Flexbox layouts. Instantly preview your designs and generate Vanilla CSS, Tailwind CSS, or Bootstrap code.

Introducing Our Free JSON to Zod & TypeScript Visualiser
Instantly convert raw JSON payloads into strongly-typed TypeScript interfaces and robust Zod validation schemas right in your browser.

Introducing Our Free Code Snippet Beautifier & Exporter
Format your code snippets with beautiful syntax highlighting, stunning backgrounds, and macOS window styles. Export high-quality PNGs instantly for social sharing.

Introducing Our Free Colour Palette Extractor & Accessibility Validator
Extract dominant colour palettes from images and automatically validate their WCAG accessibility contrast ratios to ensure your web designs are beautiful and inclusive.

Introducing Our Free Responsive Picture Generator: Effortless Next-Gen Image Tags
Instantly generate fully responsive HTML picture tags with perfectly resized, highly-optimised AVIF and WebP images, all client-side in your browser.

Introducing Our Free Image Resizer & Cropper: Smart Focal Point Cropping for Every Platform
Crop and resize your photos for every social media platform in seconds. Set a focal point, generate dozens of perfectly cropped exports simultaneously, all privately in your browser.

Introducing Our Free Collage Creator: Stunning Browser-Based Layouts
Create professional, high-resolution photo collages entirely in your browser. No sign-ups, no watermarks, and complete privacy.