Northwind

AI text humanizer Strips the words and tics that make copy read as machine-written. Writing check Readability, sentence rhythm, passive voice and AI tells — measured, not guessed. Will it fit? Counts characters against the real limits for titles, ads, posts and subject lines. Compare versions Line-by-line diff of two drafts — exactly what changed. Extract details Pulls the emails, phone numbers, links and prices out of a wall of text. Markdown ↔ HTML Markdown to safe HTML for a web page, or HTML back to clean plain text. URL slug A clean, permanent web address from a title — accents and punctuation handled.

Page audit Fetches a live page and checks what Google and screen readers actually see. Broken link check Follows every link on a page and reports the dead ones. Sitemap builder Crawls the site’s own links into a valid sitemap.xml and robots.txt. Rich result markup Valid schema.org JSON-LD so Google can show stars, prices and opening hours. Redirect rules Turns an old → new address list into server rules, catching loops and chains.

DNS lookup What the world’s DNS says about any domain, right now. Email deliverability check MX, SPF, DMARC and DKIM — why mail from a domain lands in spam. HTTPS certificate check Who issued the certificate, what it covers, and how many days are left. Site check Is it up, how fast, where does it redirect, and what headers does it send. Domain availability Whether a name is actually free to register, straight from the registry. Mail blocklist check Is your sending address on a spam blocklist?

Pricing & break-even Margin, markup, profit per sale and how many you must sell to cover costs. VAT / sales tax Add tax to a price, or work out the tax already inside one. Currency conversion Converts at today’s published rate, fetched live. Working-day deadline The real date N working days away, skipping weekends and holidays.

Email list cleaner Checks every address really exists, then removes duplicates and dead ones. Spreadsheet cleaner Trims cells, drops duplicate and empty rows, and shows which columns are half empty. Image optimiser Resizes, converts to WebP and strips camera data — returns the real file. Password generator Strong passwords and passphrases from the system’s cryptographic source.