Generators Tools
Free online generator tools for developers. Generate UUIDs (v4), strong passwords, QR codes, and Lorem Ipsum placeholder text — all generated locally in your browser with no server calls.
UUID Generator
Generate random UUIDs (v4) online. Free UUID generator tool for developers.
Password Generator
Generate strong, secure passwords online. Free random password generator.
QR Code Generator
Generate QR codes online. Free QR code generator with download support.
Lorem Ipsum Generator
Generate Lorem Ipsum placeholder text online. Free dummy text generator.
URL Slug Generator
Generate SEO-friendly URL slugs from text online. Free slug generator tool for developers.
Chmod Calculator
Calculate Unix file permissions with an interactive chmod calculator. Convert between symbolic and numeric (octal) notation.
Meta Tag Generator
Generate HTML meta tags for SEO, Open Graph and Twitter Cards. Create optimized meta tags with a visual editor and Google preview.
robots.txt Generator
Generate robots.txt files for your website. Configure user agents, allow and disallow rules, crawl delay and sitemap URL.
Code Screenshot Generator
Create beautiful code screenshots online. Export code snippets as PNG images with syntax highlighting, custom themes and backgrounds.
Favicon Generator
Generate favicons from images online. Create ICO, PNG and SVG favicons in all standard sizes for your website. Free favicon maker.
Open Graph Preview
Preview how your website looks when shared on social media. Test Open Graph meta tags for Facebook, Twitter/X and LinkedIn previews.
Markdown Table Generator
Generate Markdown tables visually online. Add rows, columns, set alignment and paste CSV to create GitHub-ready Markdown tables instantly.
Google SERP Preview
Preview how your page appears in Google search results. Live desktop and mobile SERP snippet preview with pixel-width title and description limits.
About Generators Tools
Free online generator tools for developers. Generate UUIDs (v4), strong passwords, QR codes, and Lorem Ipsum placeholder text — all generated locally in your browser with no server calls.
All generators tools on codetools.run run 100% in your browser. No data is ever sent to a server. Just open a tool and start working — no sign-ups, no limits, completely free.