Handy tools for your links and campaigns.

QR Code Generator

Turn any link, Wi‑Fi network, vCard, or WhatsApp message into a styled QR code. Custom colors, dot shapes, and a center logo.

Custom colorsLogo uploadPNG / SVG export

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UTM Builder

Add source, medium, and campaign parameters to any URL in a consistent format, so your analytics show exactly what's working.

Channel presetsSaved historyCopy & share

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URL Encoder & Decoder

Percent-encode or decode any string so it's safe to use inside a query parameter, path, or form value.

Encode & decodeReserved charsCopy result

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URL Parser

Break any URL down into protocol, host, path, query parameters, and fragment.

Query breakdownLive parsingNo sign-up

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URL Validator

Check that a URL is properly formatted — valid protocol, host, and structure — before you share it.

Instant checksClear diagnosticsNo sign-up

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Redirect Checker

Follow a link through every redirect hop and see the final destination and status codes.

301 / 302 / 307 / 308Hop timingNo sign-up

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URL Expander

Reveal the real destination behind a bit.ly, t.co, or any other shortened link before you click.

Any shortenerFull chainNo sign-up

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HTTP Header Checker

Inspect the response headers a URL returns: caching, security, redirects, and more.

Security headersCachingNo sign-up

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HTTP Status Code Checker

Check the status code of up to 25 URLs at once, see where each one ends up and export the results as CSV.

Bulk check200 / 301 / 404 / 500No sign-up

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Meta Tag Checker

Read the title, description, canonical, robots and social tags of any page, with a search result preview.

Title & descriptionCanonical & robotsSearch preview

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Open Graph Checker

See how a link will look when shared on Facebook, LinkedIn, X or in a chat app before you post it.

Share previewog:image checkTwitter cards

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URL Safety Checker

Check a link for common warning signs, such as lookalike domains, long redirect chains and downloads, before you click.

Redirect chainLookalike domainsNo sign-up

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Security Headers Checker

Grade a site's security headers from A to F and see exactly which ones to fix first.

A to F gradeHSTS, CSP and moreNo sign-up

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SSL Certificate Checker

See when a site's certificate expires, who issued it, and whether browsers will trust it.

Expiry dateChain and trustTLS version

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Robots.txt Checker

Read and test a site's robots.txt: see its rules, warnings, and whether a URL is blocked.

Rule parserTest any URLSitemap lines

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Sitemap Checker

Find and validate a sitemap: count its URLs, spot problems and test a sample of them.

URL countIndex supportLive sample

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Broken Link Checker

Find broken links on a page: up to 50 links checked, with 404s, errors and redirects flagged.

Up to 50 links404s and errorsRedirects

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DNS Lookup

Look up a domain's A, AAAA, CNAME, MX, NS and TXT records, with SPF and DMARC.

A, MX, NS, TXTSPF and DMARCNo sign-up

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UTM & Tracking Parameter Remover

Strip utm_ parameters, fbclid, gclid and other tracking codes from links, one or many at a time.

utm_*, fbclid, gclidBulk cleanupPrivate

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URL Slug Generator

Turn any title into a clean, readable URL slug. Handles accents and Cyrillic.

Cyrillic → LatinStop wordsLength limit

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WhatsApp Link Generator

Create a wa.me click-to-chat link with a prefilled message, and a QR code to match.

wa.me linkPrefilled messageQR code

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Mailto Link Generator

Create a mailto: link with subject and body prefilled, with HTML ready to paste.

Subject & bodyCC / BCCHTML snippet

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Wi-Fi QR Code Generator

Let guests join your Wi-Fi with a scan instead of typing the password.

iPhone & AndroidPNG / SVGPrivate

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URL Comparison Tool

Compare two URLs part by part and see exactly what differs, including query parameters.

Part by partQuery diffPrivate

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Query String Builder

Build a correctly encoded query string from key-value pairs and attach it to any URL.

Auto-encodingSort keysFull URL

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Bulk UTM Builder

Add UTM parameters to a whole list of URLs at once, or per row from CSV.

Many URLsCSV in & outConsistent naming

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Google Calendar Link Generator

Create an Add to Google Calendar link, plus an .ics file for Apple and Outlook.

Google Calendar.ics exportHTML button

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YouTube Timestamp Link Generator

Create a YouTube link that starts at an exact second, in watch, short and embed form.

Any YouTube URLShort & embedPrivate

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Base64 Encoder & Decoder

Encode text to Base64 or decode it back, with UTF-8 and URL-safe support.

UTF-8 safeURL-safe variantPrivate

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SMS Character Counter

See how many SMS segments a message uses, and which characters switch it to Unicode.

GSM-7 and UnicodeSegmentsPrivate

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QR Code Size Calculator

Find the minimum print size of a QR code for the distance it will be scanned from.

Distance to sizePrint marginsPrivate

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Redirect Code Chooser

Answer three questions to find out whether you need a 301, 302, 303, 307 or 308 redirect.

301 / 302 / 307 / 308Server snippetsPrivate

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SERP Preview Tool

Preview how a title and description may look in Google results, on desktop and mobile.

Desktop and mobileLength warningsPrivate

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Social Media Preview

Preview how a link will look on Facebook, LinkedIn, X and chat apps, before the page is live.

Facebook, LinkedIn, XBefore you publishPrivate

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URL Structure Explainer

Paste any URL and see its parts colour-coded, with an explanation of what each one does.

Colour-codedClick a partPrivate

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