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Robot between two documents, one checked with a magnifier and a tick, the other written with a pencil and a download arrow
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.

6 min read Read
Robots walk through two open doors marked with ticks while others wait at two barred doors with crosses, by a robots.txt sign
Tools

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.

7 min read Read
Glowing padlock labelled JWT beside floating panels showing a decoded token's header, payload and a verified signature
Tools

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.

5 min read Read
QR Code Generator tool page with a URL entered, error correction and colour settings, and a black QR code preview
Tools

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.

5 min read Read
Browser window with coloured code lines and a shield tick, with a dotted arrow to a label printer printing a barcode label
Tools

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.

5 min read Read
Code editor window comparing unformatted code on the left with neatly formatted code on the right, with neon glows
Tools

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.

5 min read Read
Photo, music and document file cards beside a two-way arrow converter with a padlock and rows of dots, in a laptop outline
Tools

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.

5 min read Read
Plain text page with a dashed arrow to a stack of slides showing a bar chart, code and a picture on a projector screen
Tools

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.

5 min read Read
Grid of coloured blocks with a pointer dragging one into an empty slot, beside rows of blocks and a panel of sliders
Tools

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.

5 min read Read
JSON to Zod and TypeScript Visualiser tool page with a JSON payload, a generated Zod schema and a TypeScript interface
Tools

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.

5 min read Read
Code Snippet Beautifier tool page with code settings and a preview of a code window on a pink and orange gradient
Tools

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.

5 min read Read
Colour Palette Extractor tool page with a photo of a mother and daughter cooking, extracted swatches and contrast checks
Tools

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.

5 min read Read
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