Free tools · 16 of them · no signup
Small checks for any website. One answer, with the fix.
How your link looks when shared, where a redirect ends up, whether your mail lands in spam, what a title scores — free, instant, and the fix comes with the finding.
Popular
01
Links & sharing
5 toolsHow a link looks and where it leads when somebody shares it.
Link preview debuggerHow your link looks on Facebook, LinkedIn, X and Slack — and which tag to fix.Free · no signupCheck →Redirect chain checkerEvery hop from the address you paste to where it ends up — 301s, 302s, loops.Free · no signupCheck →UTM builder + QRBuild a campaign link with source, medium and campaign, and get a QR code for it.Free · no signupOpen →QR code generatorA QR code for a link, text, Wi-Fi or a contact card — colour and logo included.Free · no signupOpen →Favicon & OG image makerEvery favicon size, the Apple icon, a manifest and a 1200×630 share image from one logo or letter.Free · no signupOpen →
02
Findability
3 toolsWhat search engines see: sitemap, canonicals, the stack behind the page.
Sitemap & robots.txtIs the sitemap there, valid and not blocked? Does robots.txt say what you think?Free · no signupCheck →Canonical & hreflangCanonical tags that point where they should, and hreflang pairs that match.Free · no signupCheck →Tech stack detectorWhat a site runs on — CMS, framework, hosting, analytics and pixels.Free · no signupCheck →
03
Content
5 toolsWords and pictures that get clicked — scored, generated, made smaller.
Headline analyzerA 0–100 score for a title: length, power words, numbers, emotion, readability.Free · no signupCheck →Viral hook generatorTen opening lines for a post, a video or an ad — curiosity, contrarian, numbers, story. AI, needs a free account.Free account · 3 a dayGenerate →Hashtag generatorBroad, niche and branded hashtags for a post — grouped by how crowded they are. AI, needs a free account.Free account · 3 a dayGenerate →Alt text writerUpload an image, get accessible alt text and a caption — short, specific, no “image of”. AI, needs a free account.Free account · 3 a dayGenerate →Image compressorShrink PNG/JPG to WebP or JPEG in the browser — resize, quality slider, nothing uploaded.Free · no signupOpen →
04
Trust & security
3 toolsCertificates, mail records and trackers — the things that cost trust or a fine.
SSL & domain expiryWhen the certificate and the domain run out, who the registrar is, whether HTTP redirects.Free · no signupCheck →Email deliverabilitySPF, DKIM and DMARC records — whether your mail lands in the inbox or in spam.Free · no signupCheck →Cookie & tracker checkWhich trackers and cookies fire before anyone has consented — the EU's favourite fine.Free · no signupCheck →
Nothing matches — try another word, or run the full site check, which covers most of these at once.
Want all of it in one go?
The full site check runs 30+ tests — speed on a real phone, security, privacy, SEO and the EU legal pages — with a fix for each. Also free, also no signup.