luca.ecosystem — Tools Branch
26+ free, client-side browser tools for designers and developers. No sign-up. No data collection. No catch. Just open and use.
Design
Generate harmonious color schemes from images or create custom palettes.
Launch →Discover harmonious font combinations with live previews and Google Fonts integration.
Launch →Resize images to custom dimensions with aspect ratio lock and instant download.
Launch →Place designs into device frames for professional presentations.
Launch →Edit, optimize, and export SVG files with color customization tools.
Launch →Generate modular type scales for consistent typography with CSS output.
Launch →Create box shadows visually with live preview and CSS export.
Launch →Build CSS keyframe animations with timeline controls and instant code output.
Launch →Create CSS gradients with visual controls and instant code export.
Launch →Check WCAG color contrast ratios for accessibility compliance.
Launch →Developer
Beautify, minify, and validate JSON with error highlighting.
Launch →Build and test regular expressions with live matching and explanations.
Launch →Format and prettify JavaScript, HTML, CSS, and JSON with proper indentation.
Launch →Compare two texts side-by-side with visual difference highlighting.
Launch →Test your site across multiple device sizes and orientations instantly.
Launch →Generate secure passwords with customizable length and character sets.
Launch →Convert text and files to/from Base64 encoding with file upload support.
Launch →Encode and decode URLs and query strings for safe web usage.
Launch →Compute MD5, SHA-1, and SHA-256 hashes for text and files instantly.
Launch →Generate visual sitemaps from URLs with hierarchical tree view display.
Launch →Business
Generate professional invoices with line items, taxes, and PDF export.
Launch →Create customizable QR codes for URLs and text with PNG/SVG export.
Launch →Design digital business cards with customization and image export.
Launch →Create professional email signatures with HTML output for all clients.
Launch →Calculate loan payments, interest, and amortization schedules.
Launch →Convert between units of length, weight, temperature, area, and more.
Launch →The Philosophy
Every tool runs entirely in your browser. Nothing is sent to a server — ever. Your data stays on your machine.
No analytics on your tool usage. No profiling. No selling of information. You are not the product.
Open a tool and use it. No account creation, no email confirmation, no friction of any kind.
The luca.toolss platform is free forever. Need tool integrations or custom implementations built into your own product? That's a paid service — reach out.