Free Developer Tools That Respect Your Privacy

Write and preview Markdown in real-time with this split-view editor. Export to HTML, copy formatted content, or save as a PDF document. Support for GitHub Flavored Markdown and common extensions.

Transform images between popular formats with control over quality and dimensions. Supports WebP, PNG, JPG, AVIF, and more. All processing happens in your browser for enhanced privacy.

Side-by-side comparison tool that highlights additions, deletions, and changes between two text inputs. Perfect for comparing code snippets, configuration files, or any text content.

Compare code snippets or entire files with syntax highlighting for over 30 programming languages. Split view allows for side-by-side comparison with highlighted differences.

Check JSON for syntax errors with precise line and column references. Format and beautify valid JSON data with proper indentation. Secure client-side processing ensures privacy for sensitive data.

A powerful browser-based SVG editor for creating, editing, and optimizing SVG files. Customize colors, paths, and properties with real-time preview. Export optimized SVG code for web use.

Design beautiful CSS box shadows with our interactive generator. Adjust horizontal and vertical offset, blur, spread, color, and opacity using intuitive sliders. Toggle inset shadows and see real-time preview. Copy the generated CSS code with a single click for use in your projects.

Design Flexbox and CSS Grid layouts visually with interactive sliders and controls. Preview your layouts in real-time and get the generated CSS code with a single click. Perfect for learning and experimenting with modern CSS layout techniques.

Browse through a collection of beautiful CSS animations with live preview. Customize duration, delay, and easing functions. Copy the generated CSS code with one click to use in your web projects. All animations are optimized for performance and cross-browser compatibility.

Transform JSON objects into XML documents with full control over formatting, indentation, and XML structure. Set custom root element names, choose between attribute or element-based conversion, and preview the results in real-time. All processing happens in your browser for enhanced privacy and security.

Transform YAML data into JSON objects with full control over structure and formatting. Configure parsing options, anchors handling, and output indentation. All processing happens locally in your browser for complete data privacy and security.

Check your YAML files for syntax errors and best practices with precise line and column references. Format and beautify YAML with proper indentation and structure. Customize linting rules to match your project's requirements. All processing happens securely in your browser.

Generate QR codes for URLs, text, contact information (vCards), WiFi networks, and more. Customize colors, add your logo, and adjust error correction levels. Download as PNG or SVG. All processing happens in your browser for complete privacy.

Quickly decode QR codes from uploaded images or by using your device's camera for real-time scanning. Supports all standard QR code formats including URLs, text, vCards, WiFi networks, and more. All processing happens directly in your browser for complete privacy and security.

Transform digital text into realistic handwritten notes with our powerful text to handwriting converter. Choose from multiple handwriting styles, paper backgrounds, and ink colors. Perfect for creating authentic-looking handwritten content for educational, creative, or personal use. All processing happens in your browser for complete privacy.

Create, customize, and download professional digital signatures with our free online signature creator. Draw signatures directly with your mouse/touchpad or convert text to a handwritten signature style with various customization options. Perfect for signing documents, creating personal branding elements, or adding a professional touch to your correspondence. All processing happens in your browser for complete privacy.

Upload and view multiple images with our feature-rich online image viewer. Zoom, rotate, and navigate through your images with keyboard shortcuts or touch controls. Perfect for viewing photo collections, comparing images, or creating simple slideshows directly in your browser. All processing happens client-side for complete privacy.