Free Online Tools for Text, SEO & Calculators

Free online character counter with live counts for characters with and without spaces, plus words and lines. Perfect for Twitter/X, Instagram, SMS, and SEO meta description limits.

Generate strong, random passwords in your browser. Choose length (8-64) and mix uppercase, lowercase, numbers, and symbols. Built on secure crypto randomness - nothing is uploaded or stored.

Generate small caps, subscript, and superscript Unicode text from normal letters. One input, three copy-ready small text styles for Discord, Instagram, and bios.

Free QR code generator in your browser. Create URL, text, or WiFi QR codes, pick size and colors, then download PNG or SVG. Nothing is uploaded.

Free online percentage calculator: find the percentage of a number, calculate percent change (increase or decrease), and work out what percent X is of Y - with the formula and instant results.

Free age calculator: enter a date of birth to get exact age in years, months, and days - plus total days lived. Optional age-at date for past or future dates.

Free BMI calculator with metric and imperial units. Get your body mass index and WHO adult category instantly - informational only, not medical advice.

Free EMI/Loan calculator for loan amount, annual interest rate, and tenure. Get monthly EMI, total interest, and total payment instantly in your browser.

Free online JSON minifier and formatter. Minify JSON to shrink payloads or beautify (pretty-print) JSON with 2-space indentation. Validates as you go - no upload required.

Free online HTML minifier. Compress and minify HTML by removing comments and collapsing whitespace - smaller files, faster page loads. Runs in your browser, no upload required.

Free online CSS minifier. Compress and minify CSS by removing comments and collapsing whitespace - smaller stylesheets, faster page loads. Runs in your browser, no upload required.

Free online JavaScript minifier. Compress and minify JS by removing comments and collapsing whitespace - smaller files, faster page loads. Runs in your browser, no upload required.

Encode or decode percent-encoded URLs, or build and parse query strings from key/value pairs. encodeURIComponent, encodeURI, and parse-back - all in your browser.

Convert HEX to RGB (and back) with HSL, CMYK, a tint-shade ramp, WCAG contrast cards, and a CSS token snippet - free online color code converter.

Free SERP length checker and meta description preview. Live character counter and Google snippet preview - or generate a draft. Fits the 150-160 limit.

Preview how your title, URL, and meta description may look in Google search. Free SERP snippet preview with a ~580 px title pixel-width meter.

Turn any title or phrase into a clean, SEO-friendly URL slug. Lowercase, strip accents, and choose hyphen or underscore separators - free, instant, and private.

Generate Open Graph and Twitter Card meta tags from a title, description, URL, and image. Free OG tag generator with live HTML and a social preview.

Generate Twitter Card / X meta tags from card type, title, description, image, and site handle. Free twitter:card generator with live HTML and preview.

Generate a robots.txt file with allow-all, block-all, or block-admin presets. Add Allow/Disallow paths and a sitemap URL - free, instant, and private.

Free JSON-LD schema markup generator for FAQPage, Article, Organization, BreadcrumbList, SoftwareApplication, and WebSite. Copy a script tag, then test with Google Rich Results Test. Nothing is uploaded.

Free hreflang tag generator for multilingual SEO. Build reciprocal HTML link tags and sitemap xhtml:link XML, validate ISO codes (flags en-UK → en-GB), and use a ToolsMinify en/es/pt/fr/de preset. Nothing is uploaded.

Free UTM campaign URL builder for GA4. Add utm_source, utm_medium, and utm_campaign, parse a tagged link back, and lowercase values (GA4 is case-sensitive). Nothing is uploaded.

Generate an SEO meta description with AI from your page title and notes. Aim for a clear 150-160 character Google snippet.

Generate an SEO meta title (HTML title tag) with AI from your page notes. Aim for a clear 50-60 character Google title.