VAT Calculator
Add VAT or take it out of a gross price. Taking 20 percent off a gross price is the wrong sum, and this shows the fraction that is right.
£120.00 gross → £100.00 net, £20.00 VATArithmetic →Production-tested code generators, converters and formatters crafted for modern WordPress engineers and agency teams. 100% free and executed client-side.
Add VAT or take it out of a gross price. Taking 20 percent off a gross price is the wrong sum, and this shows the fraction that is right.
£120.00 gross → £100.00 net, £20.00 VATArithmetic →Generate version 4 or time-ordered version 7 UUIDs in your browser, in the four formats systems ask for, from the browser's own randomness.
018fd0c4-5c6f-7a3e-8b1e-3d6f7a2c9e10RFC 9562 →Build campaign links that survive an anchor, an existing query string and three people tagging in three different cases.
…/pricing?ref=partner&utm_source=newsletter#plansArithmetic →Generate a custom WordPress user role: cloned capabilities, the ones you add or take away, a version guard so changes re-apply, and the cleanup on deactivation.
add_role( 'shop_manager', 'Shop Manager', $caps );WP_Roles →Adds fields to the user profile through user_contactmethods, with the escaping the output needs and the removal of the defaults WordPress no longer uses.
Profile fields, stored as user metaWP Users →Turn titles into URL slugs the way WordPress does: accents mapped to their base letter, symbols spelled out, and an optional stop word strip.
Café & Bar: 50% Off! → cafe-and-bar-50-percent-offsanitize_title →Percent-encode text for a URL or decode it back, choosing between a single component, a whole URL, and form data where a space is a plus.
a b&c → a%20b%26cRFC 3986 →Convert Unix timestamps to readable dates and dates back to epoch seconds or milliseconds, in any timezone.
1700000000 → 2023-11-14T22:13:20ZISO 8601 →Bold and script letters for a social bio, with what they cost: screen readers, search and character limits all treat them differently.
Maths symbols, not fonts · costs 2 units eachUnicode 15 →One brand colour becomes a full interface palette: surfaces, borders, text, primary and status colours, each fitted to the contrast it needs.
--ui-text-muted: #656F82; /* 4.70:1 */OKLCH →Generate valid, ready-to-paste WordPress code in seconds without configuring a local runtime.
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$ uploaded: 0 bytesGenerated code uses translatable labels, safely quoted values and the core hooks WordPress expects.
$ add_action( 'init', 'register_book' );Copy the result, download a ready file, or share a link that restores your settings.
$ download wp-config.php