Free website Tools.
Free website tools.
Check your website for SEO, security, data protection, accessibility and sustainability within seconds, and use our tools for colours, images, logos and copy. Every tool explains the result in plain language and shows what you can improve.
Quick start
- Legally on the safe side?4 checks: Imprint Check (Austria), Cookie Check, Google Fonts Checker, Accessibility Check
- Want to be found on Google?4 checks: SEO Check, Mobile-Friendly Test, Structured Data Checker, Local SEO & NAP Check
- Fast and secure?4 checks: Speed & Hosting Check, Security Headers Check, Email Security Check, CMS Detector
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SEO & visibility
Is your website found and correctly understood by Google and AI search?
- SEO SEO Check Checks the most important on-page factors of a page, from title and description to headings and alt texts.
- MOBILE Mobile-Friendly Test Shows your website at smartphone size and checks font size, tap targets, viewport, popups and horizontal scrolling.
- LINK Link Preview Checker Shows how your link looks when shared on LinkedIn, Facebook, WhatsApp, X and Slack and checks title, text and preview image.
- SCHEMA Structured Data Checker Finds Schema.org markup on your page, checks it for errors and shows which Google rich results it makes possible.
- LOCAL Local SEO & NAP Check Compares name, address and phone across your website and checks LocalBusiness data, opening hours and map links.
- ROBOTS robots.txt Checker Finds syntax errors, accidentally blocked pages and missing sitemaps in your robots.txt.
- 301 Redirect & Relaunch Check Checks up to 50 old addresses: do visitors and Google end up on the right page after the move?
Artificial intelligence
Do ChatGPT and others find you, and how much AI is in images and copy?
- AI AI Visibility Check Shows whether ChatGPT, Claude, Perplexity and Google AI Overviews may fetch and cite your website.
- AI-IMG AI Image Checker Reads whether an image is labelled as AI-generated or AI-edited and which tool was used to create it. Runs only in your browser, nothing is uploaded
- AI-TXT AI Writing Pattern Checker Highlights clichés, chat leftovers and formatting typical of AI-generated text and shows how to make your copy sound more natural. Runs only in your browser, nothing is uploaded
Performance & sustainability
How heavy is your website, and what does each page view cost in time and CO2?
- SPEED Speed & Hosting Check Measures load time with Google PageSpeed and shows where your website is hosted, when certificate and domain expire and who runs your e-mail.
- CO2 Website Carbon Check Calculates the CO2 emissions per page view, checks whether your hosting runs on green energy and shows where your website can slim down.
- EXT Third-Party Checker Shows every external service your website loads on the first visit, with provider, headquarters and data volume.
Design & brand
How consistent and recognisable is your brand on the web?
- BRAND Brand Check Extracts colours, fonts, logo and favicon from your website and shows them as a compact style guide with hex codes.
- IMAGE Image Compressor Makes photos for your website lighter and crops them precisely for Instagram, LinkedIn, Facebook and YouTube, right in your browser. Runs only in your browser, nothing is uploaded
- EXIF Image Metadata Editor Shows and removes EXIF and GPS data without quality loss, adds creator, copyright and alt text and gives files SEO-friendly names. Runs only in your browser, nothing is uploaded
- LOGO Logo Tester Shows your logo as favicon, app icon and profile picture in every size and creates the complete favicon package for download. Runs only in your browser, nothing is uploaded
Marketing & copy
Compare yourself with competitors, track campaigns properly and write copy that people understand.
- VS Competitor Comparison Compares your website with a competitor’s in 11 areas and shows where you are ahead and where the other site does better.
- ADS Tracking & Conversion Checker Checks Google Ads, Analytics, LinkedIn and Meta before and after consent, including Consent Mode v2 and click IDs.
- UTM UTM Builder Creates clean campaign links with UTM parameters, with presets for newsletters, social media and print, including a QR code. Runs only in your browser, nothing is uploaded
- QR QR Code Generator Creates static QR codes for links, Wi-Fi, contacts and more, with logo and colours, as SVG, PNG and PDF. No tracking and no expiry. Runs only in your browser, nothing is uploaded
- TEXT Readability Checker Rates how easy your text is to read, highlights long sentences, passive voice and filler words, and gives concrete tips for tightening it. Runs only in your browser, nothing is uploaded
- BRIEF Website Brief Guides you through every question about your new website in twelve steps and turns the answers into a clear PDF for agencies. Runs only in your browser, nothing is uploaded
Data protection & legal
Does your website comply with data protection and legal requirements, from the cookie banner to the imprint?
- COOKIE Cookie Check Finds cookies and tracking services that your website loads before visitors have consented.
- FONTS Google Fonts Checker Shows whether your website loads fonts from Google servers and thereby transfers IP addresses without consent.
- LEGAL Imprint Check (Austria) Finds your imprint and checks whether the mandatory information under Austrian law is complete.
- PDF PDF Metadata Editor Shows what is inside your PDFs, removes author, internal file names and earlier versions and sets title and language for Google and accessibility. Runs only in your browser, nothing is uploaded
Security
Which weaknesses of your website are visible from the outside?
- HEAD Security Headers Check Checks which protective headers your server sends: HTTPS, HSTS, CSP, framing protection, cookies. With a grade and a snippet.
- MAIL Email Security Check Checks SPF, DMARC, DKIM and MTA-STS of your domain: can someone forge e-mails in your name?
- CMS CMS Detector Shows which system a website runs on, whether the version still receives security updates and, for WordPress, which plugins are outdated or vulnerable.
- WP WordPress Security Check Finds common weaknesses such as exposed usernames, outdated versions and public error logs.
- PHP PHP Version Check Checks whether your server reveals its PHP version and whether it still receives security updates.
Accessibility
Can everyone use your website, including with a screen reader or keyboard?
- WCAG Accessibility Check Automatically tests your page against WCAG 2.2 AA for contrast, alt texts, forms and structure.
- COLOR Colour Contrast Checker Checks whether text and background colours are easy to read, suggests suitable shades and tests your entire brand palette at once. Runs only in your browser, nothing is uploaded
- BAFG Accessibility Statement Generator Clarifies whether the WZG or the Austrian Accessibility Act applies to you and creates the matching statement for your website as a template. Runs only in your browser, nothing is uploaded
















