Quick technical tools for developers and site owners
Free, no sign-up required. More tools are coming soon.
IP address & country lookup
See your own IP address, or check any address to find its country and type.
Open tool →DNS checker
Look up A, AAAA, MX, NS, TXT, CNAME, SOA and CAA records for any domain.
Open tool →SSL certificate checker
Check a domain’s HTTPS certificate: issuer, validity dates and days left.
Open tool →Password generator
Create strong random passwords in your browser. Nothing is sent to a server.
Open tool →Base64 & URL encoder
Encode and decode Base64 and URL text instantly in your browser.
Open tool →JSON formatter
Format, validate and minify JSON in your browser.
Open tool →UUID generator
Generate random UUID v4 identifiers in bulk, right in your browser.
Open tool →Hash generator
Calculate SHA-1, SHA-256, SHA-384 and SHA-512 hashes of any text.
Open tool →Unix timestamp converter
Convert Unix timestamps to readable dates and back.
Open tool →Color converter
Convert colors between HEX, RGB and HSL with a live preview.
Open tool →CSS minifier
Minify CSS online: strip comments and whitespace to shrink file size and speed up your site.
Open tool →JavaScript minifier
Minify JavaScript online: strip comments and whitespace to shrink file size and speed up your site.
Open tool →HTML minifier
Minify HTML online: strip comments and whitespace to shrink file size and speed up your site.
Open tool →CSS formatter
Format and beautify CSS code online with clean indentation and line breaks.
Open tool →JavaScript formatter
Format and beautify JavaScript code online with clean indentation and line breaks.
Open tool →HTML formatter
Format and beautify HTML code online with clean indentation and line breaks.
Open tool →PHP formatter
Format and beautify PHP code online with clean indentation and line breaks.
Open tool →robots.txt generator
Build a correct robots.txt for your website: allow or block crawlers and add your sitemap.
Open tool →Meta tags generator
Generate SEO, Open Graph and Twitter Card meta tags for your pages in seconds.
Open tool →URL slug generator
Turn any title into a clean, SEO-friendly URL slug.
Open tool →Image compressor
Compress and resize JPG, PNG and WebP images in your browser to speed up your website.
Open tool →Regex tester
Test JavaScript regular expressions live and see every match highlighted.
Open tool →Text case converter
Convert text to uppercase, lowercase, title case, camelCase, snake_case and kebab-case.
Open tool →Google SERP country checker
See how Google results look in any country: build country-specific Google search links by keyword, country, language and city.
Open tool →SERP snippet preview
Preview how your title and meta description look in Google on desktop and mobile, with pixel-width checks.
Open tool →Keyword density checker
Analyze your text for the most used words and 2–3 word phrases, with counts and density percentages.
Open tool →Hreflang tag generator
Generate correct hreflang tags for multilingual sites: HTML link tags, HTTP headers or XML sitemap entries.
Open tool →Schema markup generator
Create JSON-LD structured data for FAQ, Article, Organization, Local business and Product to win rich results.
Open tool →UTM link builder
Build campaign tracking URLs with UTM parameters for Google Analytics and any analytics tool.
Open tool →301 redirect generator (.htaccess / nginx)
Turn a list of old and new URLs into ready-to-paste Apache .htaccess or nginx redirect rules.
Open tool →XML sitemap generator
Paste your URLs and get a valid sitemap.xml with lastmod, change frequency and priority, ready to download.
Open tool →HTTP status & redirect checker
Follow a URL step by step: see every redirect, the HTTP status codes, response time and key SEO headers.
Open tool →Word & character counter
Count words, characters and lines, and estimate reading time.
Open tool →Need help, or a tool that is missing?
Chat with our support team now, or suggest the next tool you would like us to build.