Web & SEO Tools
Web and SEO helpers: robots.txt, meta tags, SERP previews and Open Graph checks for crawlable, shareable pages.
htpasswd Generator
Generate .htpasswd entries online — create bcrypt password lines for Apache and nginx basic auth with adjustable cost. Runs locally.
Robots.txt Generator
Generate a robots.txt file online — user-agent rules, disallow paths, crawl-delay and sitemap directive, ready to download.
robots.txt Validator
Validate a robots.txt file online — directive syntax, rules outside agent groups, duplicates, sitemap URLs, Google's 500 KB limit. Paste content or fetch a live file.
sitemap.xml Validator
Validate a sitemap.xml online — XML errors, missing or non-absolute loc URLs, duplicates, bad lastmod/changefreq/priority values, 50,000 URL and 50 MB limits. Paste or fetch.
Meta Tag Generator
Generate HTML meta tags online — title, description, canonical, Open Graph and Twitter Card tags ready to paste into your head section.
SERP Preview Tool
Preview how your page looks in Google search results — title, URL and description snippet with live character counters, desktop and mobile.
llms.txt Generator
Create an llms.txt file for your website — the markdown index that helps LLMs find your docs, APIs and key pages. Copy or download instantly.
.htaccess Generator
Generate an Apache .htaccess file online — HTTPS redirect, www/non-www canonical, 301 redirects, SPA fallback, gzip and caching rules.
Resize Image for Instagram
Resize a photo for Instagram online — fit to 1080×1080 square or 1080×1920 story size without cropping. Free, no upload, runs in your browser.
YouTube Thumbnail Resizer
Resize an image to YouTube thumbnail size online — fit to 1280×720 without cropping. Free, no upload, runs in your browser.